2023

Chacón, A.  &  Reyes, A., Noncommutative scheme theory and the Serre-Artin-Zhang-Verevkin theorem for semigraded rings; https://doi.org/10.48550/arXiv.2301.07815;  2023.

Higuera, S. & Reyes, A., On weak Annihilators and Nilpotent Associated Primes of Skew PBW extensions, Communications in Algebra, 51 (11), 2023, 4839-4861; https://doi.org/10.1080/00927872.2023.2222393;   arXiv:2203.09912 [math.QA].

Niño, A. & Reyes, A., On centralizers and pseudo-multidegree functions for noncommutative rings having PBW bases, Journal of Algebra and Its Applications;  https://doi.org/10.1142/S0219498825501099; 2023.

Suárez, H. & Reyes, A., Σ-semicommutative rings and their skew PBW extensions, Sao Paulo Journal of Mathematical Sciences, 17, 531-554, (2023), https://doi.org/10.1007/s40863-023-00356-w; arXiv:2201.08339 [math.QA].

Suárez, H., Reyes, A. & Suárez, Y., Homogenized skew PBW extensions, Arabian Journal of Mathematics, 12, 247-263; https://doi.org/10.1007/s40065-022-00410-z; arXiv:2111.07055 [math.QA].

2022

Calderón, F. & Reyes, A., Some interactions between Hopf Galois extensions and noncommutative rings, Universitas Scientiarum, 27 (2), 2022, 58-161; https://doi.org/10.11144/Javeriana.SC271.sibh; arXiv:2103.12860 [math.RA].

Calderón, F. & Walton, C., Algebraic properties of face algebras, Journal of Algebra and Its Applications, 2022; https://doi.org/10.1142/S0219498823500767; arXiv:2105.12042 [math.RA].

Higuera, S. & Reyes, A., A survey on the fusible property of skew PBW extensions, Journal of Algebraic Systems, 10 (1), 2022, 1-29; https://doi.org/10.22044/jas.2021.10351.1513.

Sarmiento, C. & Reyes, A., On the differential smoothness of 3-dimensional skew polynomial algebras and diffusion algebras, International Journal of Algebra and Computation, 32 (3), 2022, 529-559; https://doi.org/10.1142/S0218196722500242; arXiv:2105.14651 [math.DG].

Suárez, H., Chacón, A. & Reyes, A., On NI and NJ skew PBW extensions, Communications in Algebra, 50 (8), 2022, 3261-3275; https://doi.org/10.1080/00927872.2022.2028799; arXiv:2106.09793 [math.RA].

--

Calderón, F., Huang, H., Wicks, E. & Won, R., Cocommutative Hopf-like actions on algebras; arXiv:2209.11903 [math.QA], 2022.

Chacón, A., & Reyes, A., On the schematicness of some Ore polynomials of higher order generated by homogenous quadratic relations, submitted, 2022. 

Chacón, A., Higuera, S. & Reyes, A., On types of elements, Gelfand and strongly harmonic rings of skew PBW extensions over weak compatible rings; arXiv:2212.09601 [math.RA], 2022.

2021

Bell, J., Huang, H., Hamidizadeh, M. & Venegas, H., Noncommutative analogues of a cancellation theorem of Abhyankar, Eakin, and Heinzer, Contributions to Algebra and Geometry, 62, 2021, 295-315; https://doi.org/10.1007/s13366-020-00518-3; arXiv:1909.04023 [math.RA].

Lezama, O., Some open problems in the context of skew PBW extensions and semi-graded rings, Communications in Mathematics and Statistics, 9 (3), 2021, 347–378; https://doi.org/10.1007/s40304-021-00238-7; arXiv:1908.04880 [math.RA].

Reyes, A. & Rodríguez, C., The McCoy condition on skew PBW extensions, Communications in Mathematics and Statistics 9 (1), 2021, 1-21; https://doi.org/10.1007/s40304-019-00184-5.

Reyes, A. & Suárez, H., Radicals and Köthe's conjecture for skew PBW extensions, Communications in Mathematics and Statistics, 9, 2021, 119-138; https://doi.org/10.1007/s40304-019-00189-0.

Reyes, A. & Suárez, H., Skew PBW extensions over symmetric rings, Algebra Discrete Mathematics, 31 (1), 2021, 76-102; http://dx.doi.org/10.12958/adm1767.

Suárez, H., Anaya, F. & Reyes, A., Propiedad χ en extensiones PBW torcidas graduadas, Ciencia en Desarrollo, 12 (1), 2021; https://doi.org/10.19053/01217488.v12.n1.2021.11937.

Suárez, H., Cáceres, D. & Reyes, A., Some special types of determinants in graded skew PBW extensions, Revista Integración, 39 (1), 2021, 93-109; https://doi.org/10.18273/revint.v39n1-2021007.

Tang, X., Venegas, H. & Zhang, J.J., Cancellation problem for AS-regular algebras of dimension three, Pacific Journal of Mathematics, 32, 2021, 233-255; https://doi.org/10.2140/pjm.2021.312.233; arXiv:1904.07281v1 [math.RA].

--

Suárez, H., Higuera, S. & Reyes, A., On Σ-skew reflexive-nilpotents-property for rings; arXiv:2110.14061 [math.RA], 2021.

Lezama, O., Algebraic sets, ideals of points and the Hilbert's Nullstellensatz theorem for skew PBW extensions; arXiv:2106.12088 [math.AG] [math.RA], 2021.

2020

Hamidizadeh, M., Hashemi, E. & Reyes, A., A classification of ring elements in skew PBW extensions over compatible rings, International Electronic Journal of Algebra, 28, 2020, 75-97; https://doi.org/10.24330/ieja.768178.

Lezama, O., Computation of point modules of finitely semi-graded rings, Communications in Algebra, 48 (2), 2020, 866–878; https://doi.org/10.1080/00927872.2019.1666404; arXiv:1908.04882 [math.RA].

Lezama, O. & Venegas, H., Center of skew PBW extensions, International Journal of Algebra and Computation, 30 (8), 2020, 1625-1650; https://doi.org/10.1142/S0218196720500575; arXiv:1804.05425v4 [math.RA].

Lezama, O. & Venegas, H., The center of the total ring of fractions, Serdica Mathematical Journal, 46, 2020, 109-120; arXiv:1911.10626 [math.RA].

Lezama, O. & Venegas, H., Gelfand-Kirillov dimension for rings, São Paulo J. Math. Sci., 14 (1), 2020, 207-222; https://doi.org/10.1007/s40863-020-00166-4; arXiv:1912.03562 [math.RA].

Louzari, M. & Reyes, A., Generalized Rigid Modules and Their Polynomial Extensions. In: Siles Molina M., El Kaoutit L., Louzari M., Ben Yakoub L., Benslimane M. (eds), Associative and Non-Associative Algebras and Applications, MAMAA 2018, Springer Proceedings in Mathematics & Statistics, vol 311. Springer, Cham, 2020; https://doi.org/10.1007/978-3-030-35256-1_8.

Louzari, M. & Reyes, A., Minimal prime ideals of skew PBW extensions over 2-primal compatible rings, Revista Colombiana de Matemáticas, 54 (1), 2020, 39-63; https://doi.org/10.15446/recolma.v54n1.89788.

Niño, A., Ramírez, M.C. & Reyes, A., Associated prime ideals over skew PBW extensions, Communications in Algebra, 48 (12), 2020, 5038-5055; https://doi.org/10.1080/00927872.2020.1778012.

Niño, A. & Reyes, A., Some remarks about minimal prime ideals of skew Poincaré-Birkhoff-Witt extensions, Algebra and Discrete Mathematics, 30 (2), 2020, 207-229; http://dx.doi.org/10.12958/adm1307.

Reyes, A. & Hernández J., A Survey on Some Algebraic Characterizations of Hilbert’s Nullstellensatz for Non-commutative Rings of Polynomial Type, Ingeniería y Ciencia, 16 (31), 2020, 27-52, http://hdl.handle.net/10784/17662.

Reyes, A. & Suárez, H., Skew Poincaré-Birkhoff-Witt extensions over weak compatible rings, Journal of Algebra and its Applications, 19 (12), 2050225, 2020; https://doi.org/10.1142/S0219498820502254.

Riaño, A. & Reyes, A., A view of symplectic Lie algebras from quadratic Poisson algebras, Boletín de Matemáticas, 26 (1), 2019, 1-30; https://revistas.unal.edu.co/index.php/bolma/article/view/85496.

Zambrano, B.A., Poisson brackets on some skew PBW extensions, Algebra and Discrete Mathematics, 29 (2), 2020, 277-302; https://doi.org/10.12958/adm1037; arXiv:2107.08977 [math.RA].

2019

Fajardo, W., A computational Maple library for skew PBW extensions, Fundamenta Informaticae, 167 (3), 2019, 159-191; https://doi.org/10.3233/FI-2019-1813.

Fajardo, W. & Lezama, O., Elementary matrix-computational proof of Quillen-Suslin theorem for Ore extensions, Fundamenta Informaticae, 164, 2019, 41-59; https://doi.org/10.3233/FI-2019-1754; arXiv:1707.07765 [math.RA].

Lezama, O. & Gómez, J., Koszulity and point modules of finitely semi-graded rings and algebras, Symmetry, 11 (7), 2019, 1-22; https://doi.org/10.3390/sym11070881.

Lezama, O., Wang, Y.-H. & Zhang, J.J., Zariski cancellation problem for non-domain noncommutative algebras, Mathematische Zeitschrift, 292 (3-4), 2019, 1269-1290; https://doi.org/10.1007/s00209-018-2153-7.

Reyes, A., Armendariz modules over skew PBW extensions, Communications in Algebra, 47 (3), 2019, 1248-1270; https://doi.org/10.1080/00927872.2018.1503281; arXiv:1612.06628 [math.RA].

Reyes, A. & Suárez, H., Skew Poincaré-Birkhoff-Witt extensions over weak zip rings, Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry, 60 (2), 2019, 197-216; https://doi.org/10.1007/s13366-018-0412-8.

Suárez, H. & Reyes, A., Nakayama automorphism of some skew PBW extensions, Ingeniería y Ciencia, 15 (29), 2019, 157-177; https://doi.org/10.17230/ingciencia.15.29.6.

2018

Lezama, O. & Paiba, M., Computing finite presentations of Tor and Ext over skew PBW extensions and some applications, Acta Mathematica Academiae Paedagogiace Nyíregyháziensis, 34 (1), 2018; arXiv:1510.03446 [math.RA].

Reyes, A., σ-PBW Extensions of Skew Π-Armendariz Rings, Far East Journal of Mathematical Sciences (FJMS), 103 (2), 2018, 401-428; http://dx.doi.org/10.17654/MS103020401; arXiv:1805.11980 [math.QA].

Reyes, A. & Jaramillo, J., Symmetry and Reversibility Properties for Quantum Algebras and Skew Poincaré-Birkhoff-Witt extensions, Ingeniería y Ciencia, 14 (27), 2018, 29-52; https://doi.org/10.17230/ingciencia.14.27.2.

Reyes, A. & Suárez, H., A notion of compatibility for Armendariz and Baer properties over skew PBW extensions, Revista de la Unión Matemática Argentina, 59 (1), 2018, 157-178; http://dx.doi.org/10.33044/revuma.v59n1a08.

Reyes, A. & Suárez, H., Burchnall-Chaundy theory for skew Poincaré-Birkhoff-Witt extensions, Far East Journal of Mathematical Sciences (FJMS), 106 (1), 2018, 237-252; http://dx.doi.org/10.17654/MS106010237; arXiv:1805.11448 [math.QA].

Reyes, A. & Suárez, H., Skew Poincaré-Birkhoff-Witt extensions over weak Σ-rigid rings, Far East Journal of Mathematical Sciences (FJMS), 106, 2018, no. 2, 421-440;  http://dx.doi.org/10.17654/MS106020421; arXiv:1805.11982 [math.QA].

Reyes, A. & Suárez, Y., On the ACCP in skew Poincaré-Birkhoff-Witt extensions, Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry 59 (2018), no. 4, 625-643. https://doi.org/10.1007/s13366-018-0384-8.

2017

Gallego, C. & Lezama, O., Projective modules and Gröbner bases for skew PBW extensions, Dissertationes Mathematicae, 521, 2017, 1-50; https://doi.org/10.4064/dm747-4-2016; arXiv:1510.03397 [math.RA].

Lezama, O. & Latorre, E., Non-commutative algebraic geometry of semi-graded rings, International Journal of Algebra and Computation, 27 (4), 2017, 361-389; https://doi.org/10.1142/S0218196717500199; arXiv:1605.09057 [math.RA].

Lezama, O. & Venegas, H., Some homological properties of skew PBW extensions arising in non-commutative algebraic geometry, Discussiones Mathematicae-General Algebra and Applications, 37 (1), 2017, 45-57; http://dx.doi.org/10.7151/dmgaa.1264: arXiv:1606.01546 [math.RA].

Niño, A. & Reyes, A., Some ring theoretical properties of skew Poincaré-Birkhoff-Witt extensions, Boletín de Matemáticas, 24 (2), 2017, 131-148; https://repositorio.unal.edu.co/handle/unal/68368.

Reyes, A. & Suárez, H., Bases for quantum algebras and skew Poincaré-Birkhoff-Witt extensions, Momento Revista de Física 54 (1), 2017, 54-75; https://doi.org/10.15446/mo.n54.62431.

Reyes, A. & Suárez, H., Enveloping algebra and skew Calabi-Yau algebras over skew Poincaré-Birkhoff-Witt extensions, Far East Journal of Mathematical Sciences (FJMS), 102 (2), 2017, 373-397; http://dx.doi.org/10.17654/MS102020373; arXiv:1804.06617 [math.AG].

Reyes, A. & Suárez, H., PBW bases for some 3-dimensional skew polynomial algebras, Far East Journal of Mathematical Sciences (FJMS), 101 (6), 2017, 1207-1228; http://dx.doi.org/10.17654/MS101061207.

Reyes, A. & Suárez, H., σ-PBW Extensions of Skew Armendariz Rings, 27 (4), 2017, 3197-3224; https://doi.org/10.1007/s00006-017-0800-4; arXiv:1611.01562 [math.RA].

Suárez, H., Koszulity for graded skew PBW extensions, Communications in Algebra, 45 (10), 2017, 4569-4580; https://doi.org/10.1080/00927872.2016.1272694; arXiv:1610.04275 [math.RA].

Suárez, H., Lezama, O. & Reyes, A., Calabi-Yau property for graded skew PBW extensions, Revista Colombiana de Matemáticas, 51 (2), 2017, 221-238; https://repositorio.unal.edu.co/handle/unal/66432.

Suárez, H. & Reyes, M., A generalized Koszul property for skew PBW extensions, Far East Journal of Mathematical Sciences, 101 (2), 2017, 301-320; http://dx.doi.org/10.17654/MS101020301: arXiv:1804.06615 [math.AG].

Suárez, H., & Reyes, A., Koszulity for skew PBW extensions over fields, JP Journal of Algebra, Number Theory and Applications, 39 (2), 2017, 181-203; http://dx.doi.org/10.17654/NT039020181; arXiv:1611.04483 [math.RA].

2016

Artamonov, V. A., Lezama, O. & Fajardo, W., Extended modules and Ore extensions, Communications in Mathematics and Statistics, 4 (2), 2016, 189-202; https://doi.org/10.1007/s40304-015-0081-y; arXiv.org/abs/1503.02056 [math.RA].

Gallego, C., Filtered-graded transfer of noncommutative Gröbner bases, Revista Colombiana de Matemáticas, 50 (1), 2016, 41-54; https://doi.org/10.15446/recolma.v50n1.62179; arXiv:1510.07191 [math.RA].

Gallego, C., Matrix computations on projective modules using noncommutative Gröbner bases, Journal of Algebra, Number Theory: Advances and Applications, 15 (2), 2016, 101 - 139; arXiv:1510.05271 [math.RA].

Jiménez, H. & Lezama, O., Gröbner bases for modules over sigma-PBW extensions, Acta Mathematica Academiae Paedagogicae Nyíregyháziensis, 32 (1), 2016, 39-66; arXiv:1501.07882 [math.RA].

Lezama, O. & Gallego, C., d-Hermite rings and skew PBW extensions, São Paulo Journal of Mathematical Sciences, 10 (1), 2016, 60-72; https://doi.org/10.1007/s40863-015-0010-8; arXiv:1408.2240 [math.RA].

Reyes, A. & Suárez, H., A Note on Zip and reversible skew PBW extensions, Boletín de Matemáticas 23 (1), 2016, 71-79; https://revistas.unal.edu.co/index.php/bolma/article/view/60051.

Reyes, A. & Suárez, H., Armendariz property for skew PBW extensions and their classical ring of quotients, Revista Integración, 34 (2), 2016, 147-168; https://doi.org/10.18273/revint.v34n2-2016004.

Reyes, A. & Suárez, H., Some remarks about the cyclic homology of skew PBW extensions, Ciencia en Desarrollo 7 (2), 2016, 99-107; https://doi.org/10.19053/01217488.v7.n2.2016.4219.

2015

Acosta, J. P. & Lezama, O., Universal property of skew PBW extensions, Algebra and Discrete Mathematics, 20 (1), 2015, 1-12; arXiv:1412.5193 [math.RA].

Acosta, J.P., Lezama, O. & Reyes, A., Prime ideals of skew PBW extensions, Revista de la Unión Matemática Argentina, 56 (2), 2015, 39-55; arXiv:1402.2321 [math.RA].

Artamonov, V. A., Derivations of skew PBW extensions, Communications in Mathematics and Statistics, 3, 2015, 449-457; https://doi.org/10.1007/s40304-015-0067-9.

Chaparro, C., Valuations of skew quantum polynomials, Asian-European Journal of Mathematics, 8 (2), 2015; https://doi.org/10.1142/S1793557115500187; arXiv:1403.1633 [math.RA]. 

Reyes, A., Skew PBW Extensions of Baer, Quasi-Baer and p.p. and p.q.-rings, Revista Integración, 33 (2), 2015, 173-189; http://dx.doi.org/10.18273/revint.v33n2-2015007.

Suárez, H., Lezama, O. & Reyes, A., Some relations between N-Koszul, Artin-Schelter regular and Calabi-Yau algebras with skew PBW extensions, Revista Ciencia en Desarrollo, 6 (2), 2015, 205-213; http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0121-74882015000200010 .

Venegas, C., Automorphisms for skew PBW extensions and skew quantum polynomial rings, Communications in Algebra, 42 (5), 2015, 1877-1897; https://doi.org/10.1080/00927872.2013.879163; arXiv:1311.4592 [math.RA].

2014

Gallego, C. & Lezama, O., Matrix approach to noncommutative stably free modules and Hermite rings, Algebra and Discrete Mathematics, 18 (1), 2014, 110-139; http://mi.mathnet.ru/adm485.

Latorre, E., Construcción y algunas propiedades elementales del anillo de series formales torcidas, Boletín de Matemáticas, 21 (2), 2014, 125-139; https://repositorio.unal.edu.co/handle/unal/61902.

Lezama, O. & Reyes, A., Some homological properties of skew PBW extensions, Communications in Algebra, 42, 2014, 1200-1230; https://doi.org/10.1080/00927872.2012.735304; arXiv:1310.6639 [math.RA].

Reyes, A., Jacobson’s conjecture and skew PBW extensions, Revista Integración, 32 (2), 2014, 139-152; https://revistas.uis.edu.co/index.php/revistaintegracion/article/view/4389.

Reyes, A., Uniform dimension over skew PBW extensions, Revista Colombiana de Matemáticas, 48 (1), 2014, 79-96; https://doi.org/10.15446/recolma.v48n1.45196.

2013

Acosta, J. P., Chaparro, C., Lezama, O., Ojeda, I. & Venegas, C., Ore and Goldie theorems for skew PBW extensions, Asian-European Journal of Mathematics, 6 (4), 2013, 1350061-1 - 1350061-20; https://doi.org/10.1142/S1793557113500617; arXiv:1309.0483 [math.RA].

Reyes, M. A., Gelfand-Kirillov dimension of skew PBW extensions, Revista Colombiana de Matemáticas, 47 (1), 2013, 95-111; https://repositorio.unal.edu.co/handle/unal/49337.

--

Latorre, E., A theorem of Serre for the ring of twisted formal series; arXiv:1309.5420 [math.RA].

2011

Gallego, C. & Lezama, O., Gröbner bases for ideals of σ-PBW extensions, Communications in Algebra, 39 (1), 2011, 50-75; https://doi.org/10.1080/00927870903431209.

2010

Cifuentes, V. & Lezama, O., Testing freeness over Hermite rings, Journal of Mathematical Sciences: Advances and Applications, 5 (2), 2010, 289-306; http://scientificadvances.co.in/artical/1/25.

2009

Cifuentes, V., Fajardo, W., Lezama, O., Montaño, J., Pinto, M., Pulido, A., & Reyes, M., Quillen-Suslin rings, Extracta Mathematicae, 24 (1), 2009, 55-97; http://hdl.handle.net/20.500.12010/28113.

Lezama, O., Testing flatness and computing the rank of a module using syzygies, Colloqium Mathematicum, 117 (1), 2009, 65-79; http://dx.doi.org/10.4064/cm117-1-4.

Lezama, O., Some applications of Gröbner bases in homological algebra, São Paulo Journal of Mathematical Sciences, 3 (1), 2009, 25-59; http://dx.doi.org/10.11606/issn.2316-9028.v3i1p25-59.

Lezama, O. & Marín, V., Una aplicación de las bases SAGBI-igualdad de subálgebras (caso cuerpo), Revista Tumbaga, 4, 2009, 31-41; http://revistas.ut.edu.co/index.php/ciencianimal/article/view/75.

2008

Lezama, O., Gröbner bases for modules over Noetherian polynomial commutative rings, Georgian Mathematical Journal, 15 (1), 2008, 121-137; https://doi.org/10.1515/GMJ.2008.121.

2007

Lezama, O. & Suárez, H., Primary decomposition of modules over Dedekind domains using Gröbner bases, Acta Mathematica Academiae Paedagogicae Nyíregyháziensis, 23 (2), 2007, 105-114; http://eudml.org/doc/53988.

2022

Hopf-like actions on algebras - Fabio Calderón | Seminario de Matemática de Postgrado | Universidad de Santiago de Chile, Santiago, Chile | Nov 4, 2022

On attached prime ideals of inverse polynomial modules - Sebastián Higuera | Seminario de Matemática de Postgrado | Universidad de Santiago de Chile, Santiago, Chile | Nov 4, 2022

On differential smoothness in quantized algebras - Andrés Rubiano | Seminario de Matemática de Postgrado | Universidad de Santiago de Chile, Santiago, Chile | Nov 4, 2022

Hopf-like actions on algebras - Fabio Calderón | Encuentro Nacional de Estudiantes de Matemáticas | Pontificia Universidad Católica de Chile, Santiago, Chile | Nov 2-4, 2022

On attached prime ideals of inverse polynomial modules - Sebastián Higuera | Encuentro Nacional de Estudiantes de Matemáticas | Pontificia Universidad Católica de Chile, Santiago, Chile | Nov 2-4, 2022

On differential smoothness in quantized algebras - Andrés Rubiano  | Encuentro Nacional de Estudiantes de Matemáticas | Pontificia Universidad Católica de Chile, Santiago, Chile | Nov 2-4, 2022

Hopf-like actions on algebras - Fabio Calderón | Seminario de estudiantes de posgrado en Matemáticas | Pontificia Universidad Católica de Chile, Santiago, Chile | Oct 28, 2022

Hopf-like actions on algebras - Fabio Calderón | Seminario del Departamento Matemáticas | Universidad Técnica Santa María, Valparaiso, Chile | Oct 27, 2022

Hopf-like actions on algebras - Fabio Calderón | MiniSimposio Álgebra y Teoría de Categorías | Pontificia Universidad Javeriana, Bogotá, Colombia | Sep 24-25, 2022

Homomorphisms between Ore extensions - María Camila Ramírez | MiniSimposio Álgebra y Teoría de Categorías | Pontificia Universidad Javeriana, Bogotá, Colombia | Sep 24-25, 2022

Cocommutative Hopf-like actions on algebras - Fabio Calderón | Noncommutative Geometry and Noncommutative Invariant Theory (virtual) | BIRS, Banff, Alberta, Canada | Sep 25-30, 2022

Nullstellensatz theorem for skew PBW extensions - Oswaldo Lezama | Algebraic groups, their friends and relations, In honour of Nikolai Vavilov, on occasion of his 70 birthday (virtual) | St. Petersburg Department of Steklov Mathematical, Institute of Russian Academy of Sciences | St. Petersburg, Russia | Sep 18-23, 2022

Representations of (weak) Hopf algebras from a categorical point of view - Fabio Calderón | Categories and Companions Symposium (virtual) | MATRIX Institute - Australian Mathematical Sciences Institute (AMSI), Australia | Sep 19-23, 2022

On the study of weak Hopf algebras and their (co)actions - Fabio Calderón | Hopf algebras, monoidal categories and related topics (virtual) | Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania | Jul 27-29, 2022

Algebraic sets, ideals of points and the Hilbert's Nullstellensatz theorem for skew PBW extensions - Oswaldo Lezama | LieJor Online Seminar: Algebras, Representations, and Applications (virtual) | Universidad de Sao Paulo, Brasil | May 19, 2022

Una invitación a los grupos cuánticos - Fabio Calderón | Coloquio de Estudiantes de Matemáticas UN (virtual) | Universidad Nacional de Colombia, Sede Bogotá, Colombia | Apr 29, 2022

On the study of algebraic properties of universal quantum semigroupoids - Fabio Calderón | Joint Mathematics Meetings AMS (virtual) | AMS | Apr 6-9, 2022

Una invitación a los grupos cuánticos - Fabio Calderón | CONVImaTE 2022 (virtual) | Universidad del Valle, Cali-Colombia | Jan 24-28, 2022

2021

Algebraic properties of universal quantum semigroupoids - Fabio Calderón | Mathematical Congress of the Americas 2021 (virtual) | Universidad de Buenos Aires, Argentina | Jul 19-23, 2021

Algebraic properties of face algebras - Fabio Calderón | AMS Spring Central Sectional Meeting (virtual) | University of Cincinnati, OH, USA | Apr 24, 2021

Algebraic properties of face algebras - Fabio Calderón | Quantum Symmetries Student Seminar (virtual) | The Ohio State University, OH, USA | Apr 23, 2021

Algebraic properties of face algebras - Fabio Calderón | AMS Spring Eastern Sectional Meeting (virtual) | Brown University, RI, USA | Mar 26, 2021

2020

Algebraic properties of face algebras - Fabio Calderón | Seattle Noncommutative Algebra Day (virtual) | University of Washington, WA, USA | Dec 19, 2020

Some interactions between Hopf Galois theory and noncommutative rings - Fabio Calderón | Encuentro Virtual de Álgebra Homológica (virtual) | Unión Matemática Argentina | Aug 19-21, 2020

Algunas caracterizaciones de ideales primos minimales en anillos no conmutativos de tipo polinomial - Diego Arturo Niño | Encuentro Virtual de Álgebra Homológica (virtual) | Unión Matemática Argentina | Aug 19-21, 2020

Ideales primos asociados sobre extensiones torcidas de Poincaré-Birkhoff-Witt - Maria Camila Ramírez | Encuentro Virtual de Álgebra Homológica (virtual) | Unión Matemática Argentina | Aug 19-21, 2020

Módulos de Armendariz sobre extensiones torcidas de Poincaré-Birkhoff-Witt - Armando Reyes | Encuentro Virtual de Álgebra Homológica (virtual) | Unión Matemática Argentina | Aug 19-21, 2020

Una mirada hacia la geometría de las sucesiones normalizadoras en álgebras finitamente semigraduadas - Andrés Rubiano | Encuentro Virtual de Álgebra Homológica (virtual) | Unión Matemática Argentina | Aug 19-21, 2020

Algunas caracterizaciones de la suavidad diferencial de álgebras PBW de tipo polinomial - Cristian David Sarmiento | Encuentro Virtual de Álgebra Homológica (virtual) | Unión Matemática Argentina | Aug 19-21, 2020

Bases de Gröbner no conmutativas, aplicaciones y cálculos explícitos con ordenador - Oswaldo Lezama | XXI Cursos de Verano (virtual) | Universidad de Almería, España | Jul 15-17, 2020

2019

Chasing syzygies of toric varieties  - Alejandro Rodríguez Matta | Matemáticas por estudiantes | Universidad de los Andes, Colombia | Dec 10-13, 2019

Part I: Zariski cancellation problem for algebras y Part II: Zariski cancellation problem for rings - Oswaldo Lezama | IX Escuela Internacional de Matemáticas del Caribe |  Cartagena, Colombia | Nov 13-15, 2019

Chasing syzygies of toric varieties - Alejandro Rodríguez Matta | CIMPA Research School: Syzygies, from theory to applications | João Pessoa, Brasil | Nov 4-13, 2019

Un acercamiento al teorema del binomio en estructuras no conmutativas - Milton Armando Reyes Villamil | IV Encuentro Internacional de Matemáticas, Estadística y Educación Matemática | Tunja, Colombia | Sep 25-27, 2019

Poster: Hopf Galois extensions and noncommutative rings: some interactions and new directions - Fabio Calderón | Workshop "Interacciones Matemáticas: Geometría y álgebra" | Universidad Nacional de Colombia, Bogotá, Colombia | Sep 12-13, 2019

Some interactions between Hopf Galois theory and noncommutative rings - Fabio Calderón | Seminario Sabanero de Combinatoria | Universidad Javeriana, Bogotá, Colombia | Sep 12, 2019

Point modules for finitely semi-graded rings - Oswaldo Lezama | XXIII Coloquio Latinoamericano de Álgebra | Ciudad de México, México | Aug 5-9, 2019

Poster: Hopf Galois extensions and noncommutative rings: some interactions and new directions - Fabio Calderón | elENA - IX Encuentro Nacional de Álgebra | La Falda, Argentina | Jul 27 - Aug 8, 2019

Poster: Hopf Galois extensions and noncommutative rings: some interactions and new directions - Fabio Calderón | CIMPA Research School: Hopf Algebras and Tensor Categories | La Falda, Argentina | Jul 29 - Aug 5, 2019

Poster: Hopf Galois extensions and noncommutative rings: some interactions and new directions - Fabio Calderón | CIMPA Research School on Quantum Symmetries | Universidad de Los Andes, Bogotá, Colombia | Jun 25 - Jul 7, 2019

Some interactions between Hopf-Galois theory and noncommutative rings - Fabio Calderón | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Un camino para construir representaciones topológicas de retículos - Andrés Chacón Capera | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

An overview to Hilbert Nullstellensatz for non-commutative rings of polynomial type - Jason Hernández | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Anillos fusible no conmutativos de tipo polinomial - Sebastián David Higuera Rincón | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Some famous open problems in the context of skew PBW extensions and semi-graded rings - Oswaldo Lezama | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Minimal prime ideals of skew PBW extensions - Diego Arturo Niño Torres | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Associated prime ideals over skew PBW extensions - María Camila Ramírez Cubillos | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

A positive answer to the quantum Gelfand-Kirillov conjecture - Andrés Jhovany Riaño Pulido | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

The McCoy condition on skew Poincaré-Birkhoff-Witt extensions - Camilo Andrés Rodríguez Rodríguez | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Some remarks about graded skew Clifford algebras and graded skew PBW extensions - Andrés Alejandro Rubiano Suárez | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

On the ACCP in skew Poincaré-Birkhoff-Witt extensions - Yésica Paola Suárez Gómez | XXII Congreso Colombiano de Matemáticas | Universidad del Cauca, Popayán, Colombia | Jun 10-14, 2019

Effective computation of bases of projective modules over skew polynomials rings - Oswaldo Lezama | XIII Jornada de Matemáticas y V Encuentro de Jóvenes Topólogos | Universidad Distrital, Bogotá, Colombia | Jun 6-7, 2019

2018

Yoneda algebra and Koszulity of finitely semi-graded algebras - Oswaldo Lezama/Jaime Andrés Gómez Ortíz | AMS Sectional Meeting, AMS Special Session, Fall Western Sectional Meeting | San Francisco State University, San Francisco, CA, USA | Oct 27-28, 2018

Zariski cancellation problem for noncommutative rings - Oswaldo Lezama/Wang, Y.-H./Zhnag, J.J. | ICM 2018 - International Congress of Mathematicians | Rio de Janeiro, Brasil | Aug 1-9, 2018

Koszulity, Hilbert and Poincaré series of finitely semi-graded algebras - Oswaldo Lezama/Jaime Andrés Gómez Ortíz | ALTENCOA8 - 2018 | Universidad del Cauca, Popayán, Colombia | Julio 23-27, 2018

Homological methods in the computation of complex algebraic curves on noncommutative rings - Armando Reyes | CIMPA School, Geometric and Homological Methods in the Representation Theory of Associative Algebras and their Representations | Medellín, Colombia | Jun 18-27, 2018

Implementation of skew PBW extensions in MAPLE - William Fajardo | V UN Encuentro de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 13-15, 2018

Koszulity for finitely semi-graded algebras - Jaime Andrés Gómez Ortíz | V UN Encuentro de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 13-15, 2018

Quantum integrable system and noncommutative rings - Armando Reyes | V UN Encuentro de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 13-15, 2018

Center of some skew PBW extensions - Helbert Venegas | V UN Encuentro de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 13-15, 2018

Zariski cancellation problem for noncommutative algebras - Oswaldo Lezama | International algebraic conference on the occasion of 110th anniversary of Professor A. G. Kurosh | Moscow State University, Faculty of Mechanics and Mathematics, Department of Algebra, Russia | May 23 - 25, 2018

Zariski cancellation problem for rings - Oswaldo Lezama | AMS Sectional Meeting AMS Special Session, Spring Western Sectional Meeting | Portland State University, Portland, OR, USA | Apr 14-15, 2018

2017

Elementary matrix-computational proof of Quillen-Suslin theorem for Ore extensions - William Fajardo/Oswaldo Lezama | XXII Coloquio Latinoamericano de Álgebra | Quito, Ecuador | Jun 7-11, 2017

Zariski cancellation problem for skew PBW extensions - Oswaldo Lezama/Diego Arturo Romero Fonseca/David Alexander Jaklitsch | XXII Coloquio Latinoamericano de Álgebra | Quito, Ecuador | Jun 7-11, 2017

Panov's theorem on iterated Hopf Ore extensions - Fabio Calderón | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

Computational proof of Quillen-Suslin theorem for Ore extensions - William Fajardo | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

Fundamental theorem of tropical geometry - Jason Ricardo Hernández | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

Baer and Armendariz properties over skew Poincaré-Birkhoff-Witt extensions - Diego Arturo Niño Torres | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

Uniqueness of Hilbert series for skew PBW algebras - Oswaldo Lezama/William Peña | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

Model theory with a view toward Hilbert's Nullstellensatz - Milton Armando Reyes Villamil | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

PBW bases for some 3-dimensional skew polynomial algebras - Milton Armando Reyes Villamil | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

An approach of symplectic geometry over Lie algebras through quadratic Poisson algebras - Andrés Jhovany Riaño Pulido | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

Calabi-Yau property for graded skew PBW extensions - Héctor Suárez | XXI Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jun 5-9, 2017

2016

An invitation to tropical algebra - Milton Armando Reyes | II International Colloquium on Representations of Algebras and Its Applications; Alexander Zavadskij | Universidad Nacional de Colombia, Bogotá, Colombia |  Oct 10-13, 2016

Non-commutative schemes associated to semi-graded rings - Oswaldo Lezama | II International Colloquium on Representations of Algebras and Its Applications; Alexander Zavadskij | Universidad Nacional de Colombia, Bogotá, Colombia |  Oct 10-13, 2016

Non-commutative algebraic geometry of semi-graded rings: Part II - Oswaldo Lezama/Edward Latorre | XXI Coloquio Latinoamericano de Álgebra | Buenos Aires, Argentina | Jul 25-29, 2016

Some homological and computational aspects of skew PBW extensions - Oswaldo Lezama | Algebra Seminar | St. Petersburg State University, St. Petersburg, Russia | Jul, 2016

Non-commutative algebraic geometry of skew PBW extensions - Oswaldo Lezama | Algebra Seminar | Moscow State University, Moscow, Russia | Jun, 2016

Non-commutative schemes associated to semi-graded rings - Oswaldo Lezama | Seminario de Álgebra | Universidad de Almeria, Almeria, España | Jun, 2016

Microlocalization of noncommutative rings - Milton Armando Reyes Villamil | VI UN Encuentro de Matemáticas | Universidad Nacional de Colombia, sede Bogotá, Colombia | Jun 7-10, 2016

Some algebraic problems on semi-graded rings arising in non-commutative algebraic geometry - Oswaldo Lezama | Seminario de Álgebra Homológica | Universidad de Buenos Aires, Buenos Aires, Argentina | Apr 6, 2016

Semi-graded rings: a new approach for the study of the non-commutative algebraic geometry of some quantum algebras - Oswaldo Lezama | Algebra Seminar | University of California, San Diego, USA | February 1 - 2, 2016

2015

Non-commutative algebraic geometry of semi-graded rings: Part I - Oswaldo Lezama | IX Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dic 2-4, 2015

Matrix computations on projective modules using noncommutative Gröbner bases - Claudia Gallego | XX Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Manizales, Colombia | Jul 21-24, 2015

Una introducción a la teoría de esquemas no conmutativos - Edward Latorre | XX Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Manizales, Colombia | Jul 21-24, 2015

Some problems on skew PBW extensions arising in noncommutative algebraic geometry - Oswaldo Lezama | XX Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Manizales, Colombia | Jul 21-24, 2015

Philosophy of quantum algebras in theoretical physics - Milton Armando Reyes | XX Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Manizales, Colombia | Jul 21-24, 2015

Goldie dimension over some quantum algebras - Milton Armando Reyes | XX Congreso Colombiano de Matemáticas | Universidad Nacional de Colombia, Manizales, Colombia | Jul 21-24, 2015

Dos propiedades de las extensiones PBW torcidas con origen en la geometría algebraica no conmutativa - Helbert Venegas | IX Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dic 2-4, 2015

The Copenhagen interpretation and causal theory of quantum mechanics - Milton Armando Reyes | I Congreso de Lógica y Epistemología Contemporánea | Universidad Nacional de Colombia, Bogotá, Colombia | Mar 9-12, 2015

2014

Bases de Gröbner no conmutativas en extensiones PBW torcidas - Claudia Gallego | XX Coloquio Latinoamericano de Álgebra | Lima, Perú | Dec 8-12, 2014

Extended modules and rings for Ore extensions - Vyacheslav Artamonov/William Fajardo/Oswaldo Lezama | XX Coloquio Latinoamericano de Álgebra | Lima, Perú | Dec 8-12, 2014

Skew PBW extensions of Armendariz rings - Milton Armando Reyes | XX Coloquio Latinoamericano de Álgebra | Lima, Perú | Dec 8-12, 2014

Involutive differential equations, operator algebras and skew PBW extensions - Milton Armando Reyes | XX Coloquio Latinoamericano de Álgebra | Lima, Perú | Dec 8-12, 2014

Generalized skew PBW extensions - Juan Pablo Acosta | III UN Encuentro de Matemáticas 2014 |  Universidad Nacional de Colombia, sede Bogotá, Colombia | Jul 28-31, 2014

Quillen's methods for Ore extensions - William Fajardo | III UN Encuentro de Matemáticas 2014 |  Universidad Nacional de Colombia, sede Bogotá, Colombia | Jul 28-31, 2014

d-Hermite rings and skew PBW extensions - Claudia Milena Gallego | III UN Encuentro de Matemáticas 2014 |  Universidad Nacional de Colombia, sede Bogotá, Colombia | Jul 28-31, 2014

Rings of fractions of skew PBW extensions - Ingrid Ojeda | III UN Encuentro de Matemáticas 2014 |  Universidad Nacional de Colombia, sede Bogotá, Colombia | Jul 28-31, 2014

Calabi-Yau algebras and skew PBW extensions - Héctor Suárez | III UN Encuentro de Matemáticas 2014 |  Universidad Nacional de Colombia, sede Bogotá, Colombia | Jul 28-31, 2014

Gröbner bases methods for orthogonal polynomials - Milton Armando Reyes | Cuarto Encuentro Iberoamericano de Polinomios Ortogonales y sus Aplicaciones EIBPOA2014 |  Universidad Nacional de Colombia, Bogotá, Colombia | Jun 17-20, 2014

Noncommutative differential geometry of skew PBW extensions - Milton Armando Reyes | X Encuentro Internacional de Matemáticas EIMAT | Universidad del Atlántico, Barranquilla, Colombia | Sep 30 - Oct 3, 2014

2013

Condiciones de regularidad de Auslander para extensiones de Ore - Nelcy Arévalo | VIII Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dic 4-6, 2013

Prime ideals of skew PBW extensions - Oswaldo Lezama | VIII Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dic 4-6, 2013

Automorfismos de extensiones PBW torcidas generales - César Venegas | VIII Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dic 4-6, 2013

Rings of fractions of skew PBW extensions - Oswaldo Lezama | I Coloquio Internacional de Representaciones de Álgebras, Alexander Zavadskij | Universidad Nacional de Colombia, Bogotá, Colombia | Oct 10-12, 2013

Quantized enveloping algebras and skew PBW extensions - Milton Armando Reyes | I Coloquio Internacional de Representaciones de Álgebras, Alexander Zavadskij | Universidad Nacional de Colombia, Bogotá, Colombia | Oct 10-12, 2013

Valuaciones de extensiones PBW torcidas cuasi-conmutativas biyectivas - Cristian Chaparro | II Encuentro Internacional de Matemáticas, Estadística y Educación Matemática | Tunja, Colombia | Aug 14-16, 2013

Ore and Goldie theorems for skew PBW extensions - Oswaldo Lezama | II Encuentro Internacional de Matemáticas, Estadística y Educación Matemática | Tunja, Colombia | Aug 14-16, 2013

Una invitación a las variedades tóricas - Milton Armando Reyes | II Encuentro Internacional de Matemáticas, Estadística y Educación Matemática | Tunja, Colombia | Aug 14-16, 2013

Automorfismos para extensiones PBW torcidas y polinomios cuánticos torcidos - César Venegas | II Encuentro Internacional de Matemáticas, Estadística y Educación Matemática | Tunja, Colombia | Aug 14-16, 2013

Valuaciones de polinomios cuánticos torcidos - Cristian Chaparro | XIX Congreso Colombiano de Matemáticas | Universidad del Norte, Barranquilla, Colombia | Jul 15-19, 2013

Stable range for noncommutative rings - Claudia Gallego | XIX Congreso Colombiano de Matemáticas | Universidad del Norte, Barranquilla, Colombia | Jul 15-19, 2013

Un teorema de Serre para el anillo de series formales torcidas - Edward Latorre | XIX Congreso Colombiano de Matemáticas | Universidad del Norte, Barranquilla, Colombia | Jul 15-19, 2013

Ring-theoretical properties and constructive-homological methods in skew PBW extensions - Oswaldo Lezama | XIX Congreso Colombiano de Matemáticas | Universidad del Norte, Barranquilla, Colombia | Jul 15-19, 2013

On the prime spectrum of skew PBW extensions - Milton Armando Reyes | XIX Congreso Colombiano de Matemáticas | Universidad del Norte, Barranquilla, Colombia | Jul 15-19, 2013

Automorfismos para extensiones PBW torcidas - César Venegas | XIX Congreso Colombiano de Matemáticas | Universidad del Norte, Barranquilla, Colombia | Jul 15-19, 2013

2012

Matrix-homological methods for noncommutative stably free modules and Hermite rings - Oswaldo Lezama | XIX Coloquio Latinoamericano de Álgebra | Pucón, Chile | Dic 11-14, 2012

El anillo de series formales torcidas y algunas de sus propiedades homológicas - Edward Latorre | ALTENCOA 5 | Universidad Distrital, Bogotá, Colombia | Dic 3-7, 2012

Matrix approach to noncommutative stably free modules and Hermite rings - Oswaldo Lezama | ALTENCOA 5 | Universidad Distrital, Bogotá, Colombia | Dic 3-7, 2012

Grupo de Grothendieck para extensiones PBW torcidas - Wilmer Pineda | ALTENCOA 5 | Universidad Distrital, Bogotá, Colombia | Dic 3-7, 2012

Auslander-regular skew PBW extensions - Milton Armando Reyes | ALTENCOA 5 | Universidad Distrital, Bogotá, Colombia | Dic 3-7, 2012

Fundamental theorem of higher algebraic K-theory for regular rings - Milton Armando Reyes | Seminario de K-teoría algebraica | CIMAT, México | Nov 27, 2012

Quillen's groups for skew PBW extensions - Milton Armando Reyes | Seminario de geometría algebraica | CIMAT, México | Nov 20, 2012

Interpretación matricial de los módulos establemente libres y de los anillos de Hermite - Oswaldo Lezama | Seminario de álgebra y geometría | Universidad Sergio Arboleda, Bogotá, Colombia | Sep 27, 2012

Growth of skew PBW extensions - Milton Armando Reyes | Seminario de álgebra | Universidad de los Andes, Bogotá, Colombia | Sep 12, 2012

Skew PBW extensions in algebra and geometry - Milton Armando Reyes | Coloquio de Matemáticas | Universidad Sergio Arboleda, Bogotá, Colombia | Aug 29, 2012

Skew PBW extensions in noncommutative algebra - Milton Armando Reyes | Coloquio de Matemáticas |  Pontificia Universidad Javeriana, Bogotá, Colombia | Aug 28, 2012

Higher algebraic K-theory for skew PBW extensions - Milton Armando Reyes | CLAM 2012: IV Congreso Latinoamericano de Matemáticos | UNC, Córdoba, Argentina | Aug 6-10, 2012

Algebraic K-theory for skew PBW extensions - Milton Armando Reyes | UN Encuentro de Matemáticas | Universidad Nacional de Colombia, Bogotá, Colombia | Jul 24 - 26, 2012

Dimensions for skew PBW extensions - Milton Armando Reyes | Seminario de Álgebra | Universidad de los Andes, Bogotá, Colombia | Apr 30, 2012

Regularity for skew PBW extensions - Oswaldo Lezama | Seminario de Álgebra | Universidad de los Andes, Bogotá, Colombia | Apr 23, 2012

Serre's theorem for skew PBW extensions - Oswaldo Lezama | CIMPA School 2012: Algebraic structures, their representation and applications in geometry and non-associative models | Cartagena, Colombia | Mar 5-16, 2012

Global, Krull and Goldie dimensions of skew PBW extensions - Milton Armando Reyes | CIMPA School 2012: Algebraic structures, their representation and applications in geometry and non-associative models | Cartagena, Colombia | Mar 5-16, 2012

2011

On the monodromy group - Milton Armando Reyes | X Encuentro Nacional de Educación Matemática y Estadística | UPTC, Duitama, Boyacá, Colombia | Sep 8-9, 2011

Extensiones de Ore - Oswaldo Lezama/Milton Armando Reyes | XVIII Congreso Colombiano de Matemáticas | UIS, Bucaramanga, Colombia | Jul 11 - 15, 2011

Sobre el espectro de una categoría hiperbólica - Milton Armando Reyes | XVIII Congreso Colombiano de Matemáticas | UIS, Bucaramanga, Colombia | Jul 11 - 15, 2011

Extensiones sigma-PBW en geometría algebraica no conmutativa - Milton Armando Reyes | UN Encuentro de Matemáticas 2011 | Universidad Nacional de Colombia, Bogotá, Colombia | Jul 5 - 8, 2011

Interpretación homológica de los sistemas lineales funcionales sobre extensiones de Ore - Carlos Payares | UN Encuentro de Matemáticas 2011 | Universidad Nacional de Colombia, Bogotá, Colombia | Jul 5 - 8, 2011

Métodos matriciales en sistemas lineales funcionales sobre álgebras de Ore - César Rodríguez | UN Encuentro de Matemáticas 2011 | Universidad Nacional de Colombia, Bogotá, Colombia | Jul 5 - 8, 2011

Métodos constructivos en álgebra homológica sobre extensiones sigma-PBW - Oswaldo Lezama | Primer Encuentro Internacional de Matemáticas, Estadística y Educación Matemática | UPTC, Tunja, Colombia | May 18 - 20, 2011

2010

Bases de Gröbner para módulos sobre extensiones sigma-PBW - Haydee Jiménez/Oswaldo Lezama | ALTENCOA4 | UPTC, Tunja, Colombia | May 31 - Jun 4, 2010

Cálculo de parametrizaciones de sistemas lineales de control con entradas en álgebras no conmutativas - Milton Armando Reyes Villamil | ALTENCOA4 | UPTC, Tunja, Colombia | May 31 - Jun 4, 2010

2009

Enfoque matricial de los anillos extendidos - Oswaldo Lezama | VII Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Nov 30 - Dec 4, 2009

Aplicaciones de las bases de Gröbner en la demostración de teoremas de geometría - Omaida Sepúlveda/Nelsy González | VII Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Nov 30 - Dec 4, 2009

Hacia el algoritmo de Buchberger en anillos de reducción - Víctor Marín | VII Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Nov 30 - Dec 4, 2009

Módulos extendidos y la conjetura de Bass-Quillen - William Fajardo | XVII Congreso Colombiano de Matemáticas | Universidad del Valle, Cali, Colombia | Aug 3-6, 2009

Gröbner bases for ideals of sigma-PBW extensions - Oswaldo Lezama | XVII Congreso Colombiano de Matemáticas | Universidad del Valle, Cali, Colombia | Aug 3-6, 2009

Algoritmos para módulos libres y establemente libres usando bases de Gröbner - Verónica Cifuentes | XVII Congreso Colombiano de Matemáticas | Universidad del Valle, Cali, Colombia | Aug 3-6, 2009

2008

Testing flatness and computing the rank of a module using Gröbner bases - Oswaldo Lezama | EACA2008: XI Encuentro de Álgebra Computacional y Aplicaciones | Universidad de Granada, Granada, España | Sep 10- 12, 2008

El teorema de Quillen-Suslin - Milton Armando Reyes | XXIII Coloquio Distrital de Matemáticas y Estadística | UPN, Bogotá | Aug 2, 2008

El espectro primo de K[X]s  - Patricia Barragán | ALTENCOA3 | UIS, Bucaramanga, Colombia | Jul 21- 25, 2008

Anillos de Quillen-Suslin y algunas conjeturas relacionadas - Oswaldo Lezama | ALTENCOA3 | UIS, Bucaramanga, Colombia | Jul 21- 25, 2008

Radical y descomposición primaria de submódulos de un módulo libre sobre anillos de polinomios - Héctor Suárez | ALTENCOA3 | UIS, Bucaramanga, Colombia | Jul 21- 25, 2008

2007

Testing and computing some homological properties using Gröbner bases - Oswaldo Lezama | VI Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dec 10-14, 2007

Descomposición primaria de módulos usando bases de Gröbner - Héctor Suárez | VI Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dec 10-14, 2007

Anillo de reducción: parte I  - Omaida Sepúlveda | VI Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dec 10-14, 2007

Anillo de reducción: parte II - Nelsy González | VI Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dec 10-14, 2007

Bases de Gröbner de ideales y subálgebras de k[x1,...,xn]  con k cuerpo - Víctor Marín | VI Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dec 10-14, 2007

Estudio de algunas propiedades para el espectro primo del módulo libre (Q[x,y])2  - Patricia Barragán | VI Simposio Nororiental de Matemáticas | UIS, Bucaramanga, Colombia | Dec 10-14, 2007

Some applications of Gröbner bases in homological algebra - Oswaldo Lezama | XVII Coloquio Latinoamericano de Álgebra | Universidad de Antioquia, Medellín, Colombia | Jul 23-27, 2007

Submódulos primos y bases de Gröbner - Patricia Barragán | XVII Coloquio Latinoamericano de Álgebra | Universidad de Antioquia, Medellín, Colombia | Jul 23-27, 2007

Descomposición primaria de submódulos sobre dominios de Dedekind usando bases de Gröbner - Héctor Suárez | XVI Congreso Nacional de Matemáticas | Medellín, Colombia | Jul 16- 19, 2007

2006

Aplicaciones elementales de las bases de Gröbner en álgebra homológica - Oswaldo Lezama | XIX Jornada de Matemáticas y Estadística | UPTC, Tunja, Colombia | Nov 1-2, 2006

Bases de Gröbner sobre anillos conmutativos: teoría y aplicaciones - Oswaldo Lezama | XIII Encuentro ERM | Universidad Tecnológica de Pereira, Pereira, Colombia | Sep 11-15, 2006

Un test de primalidad para ideales usando bases de Gröbner - Patricia Barragán | ALTENCOA 2006 | Universidad del Cauca, Popayán, Colombia | Jul 10-14, 2006

Aplicaciones elementales de la teoría de las bases de Gröbner para polinomios en un anillo noetheriano - Nelsy González | ALTENCOA 2006 | Universidad del Cauca, Popayán, Colombia | Jul 10-14, 2006

Aplicaciones elementales de la bases de Gröbner en álgebra conmutativa y geometría algebraica: Parte II - Oswaldo Lezama | ALTENCOA 2006 | Universidad del Cauca, Popayán, Colombia | Jul 10-14, 2006

Problema de 3-coloreo y las bases de Gröbner - Omaida Sepúlveda | ALTENCOA 2006 | Universidad del Cauca, Popayán, Colombia | Jul 10-14, 2006

2005

Aplicaciones elementales de la bases de Gröbner en álgebra conmutativa y geometría algebraica: Parte I - Oswaldo Lezama | Seminario de Álgebra | Universidad Nacional de Colombia, Manizales, Colombia | Oct, 2005