José L. Ramírez - Research papers

Lista de publicaciones - Research papers

Research papers (Discrete Mathematics, Combinatorics, and Elementary Number Theory) Undergraduate student co-author indicated by an ∗ .
List of select papers. For complete list see Scopus and Google Scholar

Lattice points on polyominoes of inversion sequences

with J. L. Herrera and T. Mansour. Quaestiones Mathematicae. 43(8) (2025), 485-501. (web)

Differential equations in Ward's calculus

with A. Luzon and M. A. Morón. Journal of Mathematical Analysis and Applications, 550 (2025), 129557. (pdf, web)

Flattened Catalan words

with J.L. Baril and P. E. Harris.Bulletin of the Institute of Combinatorics and Its Applications 104 (2025), 51--79. (pdf, web)

Arndt compositions with restricted parts, palindromes, and colored variants

with M. L. Nadji, M. Ahmia, and D. Checa*Journal of Integer Sequences, 28 (2025), Article 25.3.6. (pdf, web)

The combinatorics of Motzkin polyominoes

with J.L. Baril, S. Kirgizov, and D. Villamizar.Discrete Applied Mathematics, 364 (2025), 1-15. (web, pdf)

Arithmetic properties of biregular overpartitions

with M. Lamine and M. Ahmia.The Ramanujan Journal, 67:13(2025), 1--21. (web, pdf)

Enumerating runs, valleys, and peaks in Catalan words

with J.L. Baril, P. Harris, K. Harry, M. McClinton.The Art of Discrete and Applied Mathematics, 8 (2025), #P2.07. (web, pdf)

Grand zigzag knight's paths

with J.L. Baril, N. Hassler, S. Kirgizov.Enumerative Combinatorics and Applications, 5(1) (2025), Article S2R6. (web, pdf)

Fibonacci and Catalan paths in a wall

with J.L. Baril.Discrete Mathematics, 348 (2025), 114268. (web, pdf)

Colored random tilings on grids

with D. Villamizar. Journal of Automata, Languages and Combinatorics, 29 (1) (2024), 63--80. (web)

Pattern avoidance in weak ascent sequences

with B. Bényi and T. Mansour. Discrete Mathematics & Theoretical Computer Science. 26 (1), PermutationPatterns 2023 (2024), # 2. (web, pdf)

Restricted bargraphs and unimodal compositions

with R. Flórez and D. Villamizar. Journal of Combinatorial Theory, Series A. 208 (2024). (web, pdf)

Bijections between directed-column convex polyominoes and restricted compositions

with J.L. Baril and F. Velandia*.Theoretical Computer Sciences, Vol. 1003, (2024), 114626. (pdf, web)

Arndt Compositions: A generating functions approach

with D. Checa*.INTEGERS, (2024), #A35. (pdf, web)

Symmetries in Dyck paths with air pockets

with J.L. Baril and R. Flórez.Aequationes Mathematicae, 98 (2024), 1235-1264. (pdf, web)

Consecutive pattern-avoidance in Catalan words according to the last symbol

with J.L. Baril, D. Colmenares*, E. Silva*, L. Simbaqueba, and D. Toquica.RAIRO-Theoretical Informatics and Applications, 58 (2024). (pdf, web)

Counting symmetric and asymmetric peaks in Motzkin paths with air pockets

with J.L. Baril and R. Flórez.The Australasian Journal of Combinatorics. 89(2) (2024), 323–343. (pdf, web)

Lattice paths in corridors and cyclic corridors

with R. Flórez, J. González*, M. Matijasevick*, C. Pardo*, L. Simbaqueba*, and F. Velandia*. Contributions to Discrete Mathematics, 19 (2), (2024), 35-55 (pdf, web)

Last symbol distribution in pattern avoiding Catalan words

with J.L. Baril and J.F. González*.Mathematics in Computer Sciences, 18(1) (2024). (pdf, web)

Consecutive patterns in Catalan words and the descent distribution

with A. Rojas-Osorio*.Boletín de la Sociedad Matemática Mexicana, 29 (2023). (pdf, web)

Descent distribution on Catalan words avoiding ordered pairs of relations

with J.L. Baril.Advances in Applied Mathematics. 149 (2023), 102551. (pdf, web)

Knight's paths towards Catalan numbers

with J.L. Baril.Discrete Mathematics, 346 (2023), 113372. (web)

Enumeration of r-smooth words over a finite alphabet

with T. Mansour and D. Villamizar. Discrete Mathematics Letters. (11) (2023), 68-75. (web, pdf)

Set partitions and partitions without singleton blocks of type B

with I. Mező.Periodica Mathematica Hungarica, 85(2022), 246-263. (web)

A refinement of Dyck paths: A combinatorial approach

with R. Flórez, F. Velandia*, and D. Villamizar. Discrete Mathematics, Algorithms and Applications. 14(07) (2022). (web)

Set partitions and non-crossing partitions with ℓ-neighbors and ℓ-isolated elements

with B. Bényi and T. Mansour. The Australasian Journal of Combinatorics. 84(2) (2022), 325–340. (pdf, web)

Symmetric and asymmetric peaks in compositions

with T. Mansour and A. Moreno. Online Journal of Analytic Combinatorics, 17 (2022), #05. (web, pdf)

Partition lattice with limited block sizes

with J. B. Caicedo and I. Mező.Graphs and Combinatorics, 38(2022), #146. (web)

Avoiding a pair of patterns in multisets and compositions

with V. Jelínek, T. Mansour, and M. Shattuck.Advances in Applied Mathematics 133 (2022), 102286. (pdf, web)

On q-poly-Bernoulli numbers arising from combinatorial interpretations.

with B. Bényi.Aequationes Mathematicae, 96 (2022), 465–487. (web)

Poly-Cauchy numbers of the second kind - the combinatorics behind

with B. Bényi.Enumerative Combinatorics and Applications, 2(1)(2022), Article #S2R1. (pdf, web)

Statistics on bargraphs of Catalan words

with D. Callan and T. Mansour.Journal of Automata, Languages and Combinatorics 26(2021), 177–196. (web)

Enumerations of rational non-decreasing Dyck paths with integer slope

with R. Flórez.Graphs and Combinatorics, 37(2021), 2775–2801. (web)

Enumerations on polyominoes determined by Fuss-Catalan words

with T. MansourThe Australasian Journal of Combinatorics. 81(3) (2021), 447–457. (pdf, web)

Counting lattice points on bargraphs of Catalan words

with T. Mansour and D. Toquica. Mathematics in Computer Sciences, 15 (2021), 701–713. (pdf, wed)

Enumerating symmetric peaks in non-decreasing Dyck paths

with S. Elizalde and R. Flórez.Ars Mathematica Contemporanea, 21(2021), #1P2.04. (pdf, web)

On Ward’s differential calculus, Riordan matrices and Sheffer polynomials

with A. Luzon and M. A. Morón. Linear Algebra and its Applications, 610 (2021), 440–473. (web)

Enumerating symmetric and asymmetric peaks in Dyck paths

with R. Flórez.Discrete Mathematics, 343 (2020). (web)

Generalized ordered set partitions

with B. Bényi and M. Méndez. The Australasian Journal of Combinatorics. 77(2) (2020), 157–179. (pdf, arXiv)

The r-alternating permutations

with I. MezőAequationes Mathematicae, 94 (2020), 37–57. (web)

A combinatorial approach to derangement matrix of type B

with I. MezőLinear Algebra and its Applications, 582 (2019), 156-180. (web)

Some new restricted n-color composition functions

with J. R. Acosta*, Y. Caicedo, J. P. Poveda*, and M. ShattuckJournal of Integer Sequences, 22 (2019), Article 19.6.4. (web, pdf)

Enumerating several aspects of non-decreasing Dyck paths

with R. Flórez and L. Junes.Discrete Mathematics, 342 (2019), 3079-3097. (web, pdf)

Extensions of set partitions and permutations,

with J. B. Caicedo*, V. Moll, and D. Villamizar. Electronic Journal of Combinatorics, 26(2) (2019), P2.20, 1–12. (web, pdf)

Some applications of S-restricted set partitions,

with B. Bényi. Periodica Mathematica Hungarica 78 (2019), 110–127. (web, pdf)

On generalized derangements and some orthogonal polynomials,

with I. Mező and C. Y. Wang. INTEGERS, 19 #A6 (2019), 1-19. (web, pdf)

Enumerations of peaks and valleys on non-decreasing Dyck paths,

with É. Czabarka, R. Flórez, and L. Junes.Discrete Mathematics, 341 (2018), 2789–2807. (web, pdf)

Eulerian numbers associated with arithmetical progressions,

with S. Villamarín* and D. Villamizar*.Electronic Journal of Combinatorics, 25(1) (2018), P1.48, 1–12. (web, pdf)

Combinatorial and arithmetical properties of the restricted and associated Bell and factorial numbers,

with V. Moll and D. Villamizar.Journal of Combinatorics, 9(4) (2018), 693–720. (web, pdf, arXiv)

Generalized Schroder matrix and its combinatorial interpretation,

with V. Sirvent.Linear and Multilinear Algebra, 66(2) (2018), 418–433. (web, pdf)

Divisibility properties of the r-Bell numbers and polynomials,

with I. Mező.Journal of Number Theory, 177 (2017), 136–152. (web, pdf)

Double parameter recurrences for polynomials in bi-infinite Riordan matrices and some derived identities,

with A. Luzon and M. A. Morón.Linear Algebra and its Applications, 511 (2016), 237–258. (web, pdf)

A generalization of the k-bonacci sequence from Riordan arrays

with V. Sirvent. Electronic Journal of Combinatorics, 22(1) (2015), P1.38, 1–20. (web, pdf)

Applications in enumerative combinatorics of infinite weighted automata and graphs

with R. De Castro and A. Ramírez.Scientific Annals of Computer Science, 24(1) (2014), 137–171. (web, pdf)

A generalization of the Fibonacci word fractal and the Fibonacci snowflake,

with R. De Castro and G. Rubiano. Theoretical Computer Science, 528 (2014), 40–56. (web, pdf, arXiv).

Articles in Peer-Reviewed Conference Proceedings

Counting colored tilings on grids and graphs

with D. Villamizar.Electronic Proceedings in Theoretical Computer Science, 403 (2024), 164-168. Proceedings of the 13th edition of the conference on Random Generation of Combinatorial Structures. Polyominoes and Tilings (GASCom 2024), Bordeaux, France, 24-28th June 2024. (pdf, web)

Exterior corners on bargraphs of Motzkin words

with T. Mansour.Springer Proceedings in Mathematics & Statistics, 403 (2024). Combinatorics, Graph Theory and Computing SEICCGTC 2021, Boca Raton, USA, March 8-12, Vol 448, (2024). (web)

Some connections between restricted Dyck paths, polyominoes, and non-crossing partitions

with R. Flórez, F. Velandia*, and D. Villamizar.Springer Proceedings in Mathematics & Statistics, 403 (2024). Combinatorics, Graph Theory and Computing SEICCGTC 2021, Boca Raton, USA, March 8-12, Vol 448, (2024). (web)

Restricted Dyck paths on valleys sequence

with R. Flórez, T. Mansour, F. Velandia*, and D. Villamizar.Seminaire Lotharingien de Combinatoire 87B (2023) (Special issue for the 9th International Conference on Lattice Path Combinatorics and Applications). (pdf, web)

Polyominoes and graphs built from Fibonacci words

with S. Kirgizov. The Fibonacci Quarterly (Proceedings of the 20th International Conference on Fibonacci Numbers and Their Applications, University of Sarajevo July 25 - 29, 2022) 60(5) (2022), 196-211 (web, pdf)

Topics

Page updated

Google Sites

Report abuse