Department of Mathematics, EHU
This is the Algebra Seminar page of the "Groups, Topology and Applications" research group at the University of the Basque Country (EHU), which is organised by Francesca Cavalieri, Karmele Garatea Zaballa and Iker de las Heras Kerejeta.
Sessions are typically held on Wednesdays at 12:00 in the Seminar Room (E.P1.22), though the time and location may occasionally vary.
Dario Ascari (EHU)
JSJ decompositions for finitely presented groups. Abstract
22 October, 12:00, Seminar room
Winter Semester 2025/2026
04 Sep Umberto Hryniewicz (RWTH Aachen University) "Elliptic methods in the study of Hamiltonian systems" Abstract
10 Sep Armando Martino (University of Southampton) "What is the probability that two elements of a group commute?" Abstract
17 Sep Oli Jones (Technische Universität Berlin and Heriot-Watt University) "Cyclic splittings of Artin groups" Abstract
18 Sep Josu Pérez Zarraonandia (Universitat de Barcelona) "Galois Representations" Abstract
24 Sep Mikel Eguzki Garciarena (Heinrich-Heine-Universität Düsseldorf) "Maximal subgroups in constant spinal groups" Abstract
01 Oct Jorge Fariña Asategui (Lund University) "Arboreal representations of linear groups" Abstract
16 Oct Huaitao Gui (University of Copenhagen) "Nonpositive curvature in graphical C(3)-T(6) small cancellation groups" Abstract
22 Oct Dario Ascari (Euskal Herriko Unibertsitatea) "JSJ decompositions for finitely presented groups" Abstract
29 Oct Giulia Sabatino (Università degli Studi di Napoli Federico II)
Summer Semester 2025
22 Jan Jihoon Park (Kyungpook National University) "Embeddability of right-angled Artin groups into hierarchically hyperbolic groups" Abstract
29 Jan Dario Ascari (EHU) "Isoperimetric inequalities for finitely presented groups" Abstract
05 Feb Karmele Garatea (EHU) three-lecture minicourse on skew-braces. Lecture 1: "Skew braces and the Yang-Baxter equation" Abstract
12 Feb Peio Ardaiz Gale (Nafarroako Unibertsitate Publikoa) "The McCullough-Miller space and cohomological properties of RAAGs automorphisms" Abstract
19 Feb Karmele Garatea (EHU) three-lecture minicourse on skew braces. Lecture 2: "Constructions of skew braces" Abstract
26 Feb Karmele Garatea (EHU) three-lecture minicourse on skew braces. Lecture 3: "Relation between the additive and the multiplicative group of a skew brace" Abstract
05 Mar Ettore Marmo (Università degli Studi di Milano - Bicocca) "Toric arrangements and Bloch-Kato pro-p groups" Abstract
12 Mar Max Gheorghiu (EHU) "On a generalisation of Tate cohomology" Abstract
19 Mar Pavel Zalesski (Universidade de Brasilia) "Cyclic splittings of profinite groups" Abstract
09 Apr Macarena Arenas (University of Cambridge) "Taut smoothings and shortest geodesics" Abstrac
16 Apr Christian d'Elbée (EHU) "Small steps towards Wilson conjecture for omega-categorical Lie algebras" Abstract
08 May Martín Axel Blufstein García (University of Copenhagen) "Homomorphisms between XL-type Artin groups" Abstract
14 May Hermès Lajoinie-Dodel (University of Montpellier) "Strong Property (T) and relatively hyperbolic groups" Abstract
21 May Lucía Asencio Martín (Newcastle University) "Folding rational subsets of automatic groups" Abstract
28 May Sandy Guadalupe Aguilar Rojas (Universidad Nacional Autónoma de México) "The geometry of the mapping class group of a non-orientable surface" Abstract
04 Jun Jone Uria Albizuri (EHU) "Finitely generated Hausdorff spectra of groups acting on rooted trees and related questions" Abstract
11 Jun Jone Uria Albizuri (EHU) "Finitely generated Hausdorff spectra of groups acting on rooted trees and related questions (part 2)" Abstract
18 Jun Christian d'Elbée (EHU) "Lie methods for omega-categorical Engel groups" Abstract
02 Jul Eider Gonzalo (EHU) "Introduction to Turing Machines" Abstract
Winter Semester 2024/2025
18 Sep Javier San Martin (EHU) "Arboreal representations and a Markov model for factorisation of PCF polynomials" Abstract
19 Sep Raimundo de Araújo Bastos Júnior (Universidade de Brasília) "Generalized torsion elements in groups" Abstract
25 Sep Matteo Migliorini (Karlsruher Institut für Technologie) "Hyperbolic manifolds fibering over S^1" Abstract
02 Oct Sheila Chagas (Universidade de Brasília) "Conjugacy separability of groups of geometric origin" Abstract
09 Oct Pavel Zalesski (Universidade de Brasília) "Prosoluble subgroups of the profinite completions of 3-manifold groups" Abstract
23 Oct Max Gheorghiu (EHU) "Loose ear decompositions in right-angled Artin groups" Abstract
30 Oct Sam Corson (EHU) "Large Artinian groups" Abstract
13 Nov Aline Pinto (Universidade de Brasília) "Growth of homology of soluble pro-p groups of finite homological type" Abstract
20 Nov Tommaso Toti (EHU) "About probabilistic identities in free pro-p products of pro-p groups" Abstract
27 Nov Sobhi Massalha "Sentencens over random groups" Abstract
04 Dec Karol Duda (EHU) "Torsion subgroups of small cancellation groups" Abstract
11 Dec Matteo Vannacci (Università degli Studi di Firenze - EHU) "Profinite groups and algorithmic randomness " Abstract
Summer Semester 2024
24 Jan Andrew Duncan (University of Newcastle) "Petri nets, acyclic orders and monoids" Abstract
31 Jan Lucía Asencio (University of Newcastle) "Trace monoids and generalisations" Abstract
14 Feb Christian d'Elbée (University of Leeds) "Omega-categorical groups and Lie algebras" Abstract
21 Feb Mark Hagen (University of Bristol) "Effective Tits alternatives" Abstract
28 Feb Elena Maini (Università di Padova) "On the exponent of congruence quotients of multi-EGS groups" Abstract
07 Mar Motiejus Valiunas (University of Wrocław) "Trace monoids and RAAGs in one-relator groups" Abstract
13 Mar Pavel Zaleskii (Universidade de Brasília) "Prosoluble subgroups of free profinite products" Abstract
24 Apr Federico Berlai (EHU) "On one-relator groups" Abstract
15 May Ettore Marmo (Università degli Studi di Milano - Bicocca) "Hyperplane arrengements and Bloch-Kato conjecture" Abstract (14:00, Library)
21 May Annabelle Ducret (Université de Bordeaux) "Subdirect sums of Lie algebras" Abstract
23 May Lander Guerrero Sánchez (EHU) "Cohomological uniqueness of finite groups of prime power order" Abstract
29 May Josué Tonelli Cueto (Johns Hopkins University) "How many real zeros does a random sparse polynomial system have?" Abstract
19 Jun Giulia Sabatino (University of Naples) "Uncountable groups with some embedding properties on large subgroups" Abstract
26 Jun Matteo Vannacci (EHU) "In search of new HJI groups" GtG Conference starting seminar
27-28 Jun "Groups and Topological Groups" Conference - Plentzia
10 Jul Simon André (IMJ-PRG) "Infinite finitely generated simple sharply 2-transitive groups" Abstract
Winter Semester 2023/2024
20 Sep Erroxe Alberdi (University of Nottingham) "On K-stability of del Pezzo surfaces of degree 2" Abstract
04 Oct Michal Ferov (University of Newcastle) "Automorphisms of Cayley graphs of Coxeter groups" Abstract
18 Oct Christian Urech (EPFL) "Asymptotically rigid mapping class groups and cube complexes" Abstract
02 Nov Dario Ascari (EHU) "Automorphisms of free groups and Whitehead’s algorithm" Abstract
08 Nov Sangrok Oh (EHU) "Large scale geometry of (outher) automorphism groups of RAAGs" Abstract
14 Nov Andre Nies (University of Auckland) "Profinite groups and mathematical logic" Abstract
24 Nov Diego Garcia Lucas (Universidad de Murcia) "The isomorphism problem for group algebras" Abstract
05 Dec Matteo Pintonello (EHU) "On conciseness and profinite RAAGS" Abstract
14 Dec Jonathan Frutcher (University of Bonn) "Finite shadows of residually finite groups" Abstract
Summer Semester 2023
15 Feb Sam Corson (EHU) "Many trivially generated groups are the same" Abstract
01 Mar Jorge Fariña (EHU) "Restricted Hausdorff spectra of q-adic automorphisms" Abstract
15 Mar Andoni Zozaya Ursuegui (EHU) "Profinite R-analytic groups" Abstract
22 Mar Anita Thillaisundaram (Lund University) "Beauville structures for quotients of infinite Grigorchuk-Gupta-Sidki groups acting on the p^n-adic tree" Abstract
29 Mar Alberto Cassella (University of Zaragoza and University of Milan - Bicocca) "Can we put arrows in RAAGs?" Abstract
03 May Lander Guerrero Sanchéz (EHU) "Computing differentials in spectral sequences" Abstract
25 May Peio Ardaiz (Nafarroako Unibertsitate Publikoa) "The McCullough-Miller complex" Abstract
28 Jun Emerson de Melo (Universidade de Brasília) "Virtually nilpotent groups with finitely many orbits under automorphisms" Abstract
Winter Semester 2022/2023
14 Sep Mark Hagen (University of Bristol) "Separability (and mapping class groups)" Abstract
28 Sep Tommaso Toti (Università di Pavia) "On some local-global conjectures for symmetric and alternating groups" Abstract
05 Oct Dario Ascari (University of Oxford) "A finitely presented group with a second cohomology class which is weakly bounded but not bounded"
02 Nov Mikel Eguzki Garciarena Perez (EHU) "Super-strong conciseness in profinite groups" Abstract
09 Nov Richard Mandel (EHU) "The quadratic Diophantine problem in some Baumslag-Solitar groups" Abstract
23 Nov Henrique Augusto Mendes da Silva e Souza (UAM) "The Atiyah conjecture and localization" Abstract
30 Nov Emerson de Melo (Universidade de Brasília) "Exponent of self-similar finite p-groups" Abstract
14 Dec Matteo Pintonello (EHU) "Abelian splittings of pro-p Right-angled Artin groups" Abstract
18 Jan Ramón Flores (Universidad de Sevilla) "Traduciendo propiedades de grafos al lenguaje de grupos" Abstract
Summer Semester 2022
17 Feb Pavel Zalesski (Universidade de Brasilia) "Splitting of pro-p groups (as an amalgam or HNN)" Abstract
23 Feb Dominik Francoeur (ICMAT) "On some properties of groups generated by bireversible automata" Abstract
02 Mar Andoni Zozaya Ursuegui (EHU) "On the strong conciseness of profinite R-analytic groups" Abstract
09 Mar Lander Guerrero Sánchez (EHU) "Dimension and depth of the mod-p cohomology of finite groups" Abstract
16 Mar Elena Di Domenico (Università di Trento) "GGS-groups over primary trees: Branch structures" Abstract
23 Mar Nicolas Vaskou (Heriot-Watt University) "The isomorphism problem for Artin groups" Abstract
06 Apr Macarena Arenas (University of Cambridge) "A cubical Rips construction" Abstract
11 May Anitha Thillaisundaram (Lund University) "The Amit-Ashurst conjecture for finite metacyclic p-groups" Abstract
17 May Rachel Skipper (Ohio State University) "Braiding Groups of Homeomorphisms of the Cantor Set" Abstract
25 May Karthika Rajeev (Universität Bielefeld) "On the Basilica operation" Abstract
31 May Antonio Díaz Ramos (Universidad de Málaga) "A p-nilpotency criterion for finite groups" Abstract
02 Jun Rémi Molinier (Université Grenoble-Alpes) "Hey G, what is your automorphism group?" Abstract
15 Jun Stéphane Lamy (Université Paul Sabatier) "Normal subgroups in the Cremona group, old and new " Abstract
22 Jun Luis Martinez (EHU) "From In-Silico to in-Vivo: A mathematical optimization problem applied to vaccine design" Abstract
Winter Semester 2021/2022
15 Sep Rudradip Biswas (University of Manchester) "New results on the behaviour of a wide range of cohomological (and homotopical) invariants for infinite groups " Abstract
29 Sep Lorenzo Putignano (Università degli Studi di Firenze) "On Character Degrees in p-Blocks of Symmetric Groups" Abstract
06 Oct Andoni Zozaya Ursuegui (EHU) "Commuting probability of finitely generated and amenable groups " Abstract
13 Oct Edoardo Salati (University of Dresden) "Completeness and cocompleteness for partial groups" Abstract
20 Oct Ilaria Castellano (Università degli Studi di Milano - Bicocca) "The Euler-Poincaré characteristic of a totally disconnected locally compact group" Abstract
03 Nov Xabier Legaspi Juanatey (ICMAT) "On growth rate of quasi-convex subgroups and constricting elements" Abstract
16 Nov Sam Corson (University of Bristol) "A thinly connected thick space" Abstract
17 Nov Ismael Morales (University of Oxford) "On parafree amalgamated products" Abstract
25 Nov Yuri Santos (Universität Magdeburg) "Fixed points of automorphisms, and Reidemeister numbers " Abstract
01 Dec Anne Lonjou (Paris-Saclay) "Action of the Cremona group on a CAT(0) cube complex" Abstract
15 Dec Ged Corob-Cook "Probabilistic conditions on profinite groups" Abstract
22 Dec Paula Macêdo Lins de Araujo (KU Leuven) "Twisted conjugacy and matrix soluble groups" Abstract
Summer Semester 2021
27 Jan David Méndez (University of Southampton) "A directed persistent homology theory for dissimilarity functions" Abstract
03 Feb Leo Margolis (Vrije Universiteit Brussels) "On the Modular Isomorphism Problem" Abstract
17 Feb Sam Corson (University of Bristol) "Infinite groups which behave like finite groups" Abstract
24 Feb María Cumplido (Universidad de Sevilla) "Systolicity in Artin groups of large type" Abstract
03 Mar Eugenio Giannelli (Università degli Studi di Firenze) "On a conjecture of Malle and Navarro" Abstract
10 Mar Ann Kiefer (Université du Luxembourg) "Property (FA) of the unit group of 2-by-2 matrices over an order in a quaternion algebra" Abstract
17 Mar Benjamin Brück (ETH Zürich) "Between Tits buildings and free factor complexes" Abstract
24 Mar Jonatan Sánchez Hernández (Universidad Politécnica de Madrid) "On surjectivity of word maps on PSL_2(C)" Abstract
31 Mar Robert D Gray (University of East Anglia) "The prefix membership for one-relator groups" Abstract
14 Apr Mahmood Sohrabi (Stevens Institute of Technology) "Complete first-order theories of some classical matrix groups over algebraic integers" Abstract
21 Apr Claudio Quadrelli (Università degli Studi di Milano-Bicocca) "1-cyclotomic pro-p groups" Abstract
28 Apr Markus Steenbock (Universität Wien) "Product set growth in Burnside groups" Abstract
19 May Jordi Delgado (EHU) "Relative order and spectrum in free and related groups" Abstract
26 May Simon André (Vanderbilt University) "First-order theory of acylindrically hyperbolic groups" Abstract
Winter Semester 2020/2021
14 Oct Iker de las Heras Kerejeta (EHU) "Some topics on finite p-groups and pro-p groups" Abstract
20 Oct Elena di Domenico (University of Trento & EHU) "p-Basilica groups" Abstract
28 Oct Harry Petyt (University of Bristol) "Bicombing the mapping class group" Abstract
04 Nov Albert Garreta Fontelles (EHU) "An introduction to deep learning" Abstract
11 Nov Albert Garreta Fontelles (EHU) "An introduction to deep learning" Abstract
18 Nov Albert Garreta Fontelles (EHU) "An introduction to deep learning" Abstract
25 Nov Albert Garreta Fontelles (EHU) "An introduction to deep learning" Abstract
03 Dec Albert Garreta Fontelles (EHU) "An introduction to deep learning" Abstract
10 Dec Jone Lopez de Gamiz (EHU & University of Warwick) "Subgroups of the direct product of graphs of groups with free abelian vertex groups" Abstract
16 Dec Alex Levine (Heriot-Watt University) "Solutions to equations in virtually abelian groups" Abstract
13 Jan Federico Berlai (EHU) "Tdlc groups from right-angled Coxeter groups" Abstract
20 Jan Alex Evetts (ESI & University of Vienna) "Conjugacy growth in (virtually) nilpotent groups" Abstract
Summer Semester 2020
05 Feb Andoni Zozaya Ursuegui (EHU) "Hausdorff dimension in compact R-analytic groups" Abstract
12 Feb Hang Lu Su (ICMAT) "Formal language convexity in left-orderable groups" Abstract
19 Feb Jon González-Sánchez (EHU) "Kirillov's orbit method" Abstract
04 Mar Iker de las Heras Kerejeta (EHU) "Hausdorff dimension and Hausdorff spectra in profinite groups" Abstract
11 Mar Bruno Robbio (EHU) "Action of groups on boundaries" Abstract
17 Jun Urban Jezernik (Alfréd Rényi Institute of Mathematics) "Diameters of Groups" Abstract
24 Jun Alexander Zakharov (Saint Petersburg University) "Commensurability of Baumslag-Solitar groups" Abstract
01 Jul Mima Stanojkovski (Max-Plank-Institut für Mathematik in den Naturwissenschaften, Leipzig) "(Strong) isomorphism and orbit counting" Abstract
08 Jul Peter Arndt (University of Düsseldorf) "Describing ranges of functors" Abstract
15 Jul Wolfgang Moens (University of Vienna) "Finite groups with a fix-point-free automorphism satisfying an identity" Abstract
Winter Semester 2019/2020
06 Sep Ramón Esteban Romero (University of Valencia) "Brazas y la ecuación cuántica de Yang-Baxter" Abstract
09 Oct Doryan Temmerman (Vrije Universiteit Brussel) "Property (FA) for low rank linear groups and applications to U(ZG)" Abstract
16 Oct Jone Uria Albizuri (BCAM) "Grigorchuk-Gupta-Sidki groups as source for Beauville groups" Abstract
23 Oct Albert Garreta Fontelles (EHU) "Monte Carlo search and word equations" Abstract
28-31 Oct Antonio Díaz Ramos (University of Málaga) "Introduction to spectral sequences" Programme
06 Nov Matteo Vannacci (EHU) "On the probability of generating an open subgroup in profinite groups" Abstract
13 Nov Matteo Vannacci (EHU) "Golod-Shafarevich groups: a survey. I" Abstract
22 Nov Matteo Vannacci (EHU) "Golod-Shafarevich groups: a survey. II" Abstract
27 Nov 7th Math Colloquium. Weblink
04 Dec Javier de la Nuez González (EHU) "Minimality results for automorphism groups of homogeneous structures" Abstract
11 Dec Federico Berlai (EHU) "Rigidity of graph product decompositions" Abstract
18 Dec Igor Arrieta Torres (EHU & University of Coimbra) "Open relations and uniformities" Abstract
15 Jan Jone Lopez de Gamiz Zearra (EHU & University of Warwick) "Why are right-angled Artin groups interesting?" Abstract
22 Jan Lander Guerrero Sánchez (EHU) "The Sofic Lück approximation conjecture for amenable groups" Abstract
Summer Semester 2019
08 Feb Matteo Vannacci (University of Düsseldorf) "Pro-p groups with quadratic F_p-cohomology and generalised p-RAAGs" Abstract
19 Feb Matteo Pintonello (EHU) "Ivanov's construction of a non-concise group word" Abstract
05 Mar Alexander Zakharov (EHU) "Fragile words in free groups, or how (not) to hang pictures on walls" Abstract
12 Mar Geoffrey Janssens (Vrije Universiteit Brussel) "A survey on word growth of groups with a view on dichotomies" Abstract
20 Mar Sam Corson (EHU) "How close can you be to free?" Abstract
22 Mar Zaniar Ghadernezhad (Imperial College London) "Non-amenable automorphism groups" Abstract
25 Mar Mima Stanojkovski (University of Bielefeld) "On the PORC conjecture and the geometry of some famous examples" Abstract
27 Mar Agnieszka Bier (Silesian University of Technology) "On weak Sierpiński subsets in groups" Abstract
03 Apr Primož Moravec (University of Ljubljana) "Finite p-groups in varieties of groups" Abstract
10 Apr Gareth Tracey (University of Bath) "On the expected number of random primes required to generate a Galois group" Abstract
02 May Josué Tonelli (Politechnic University of Berlin) "Computing the homology of semialgebraic sets in weak exponential time" Abstract
22 May Sebastiano Tronto (University of Luxembourg) "Divisibility of points in algebraic groups" Abstract
29 May Elena di Domenico (University of Trento & EHU) "GGS-groups over primary regular rooted trees" Abstract
27 Jun Andei Jaikin-Zapirain (UAM) "On homomorphisms of crossed products of locally indicable groups to division rings" Abstract
09 Jul Cristobal Rivas (University of Santiago, Chile) "Positive cones in finitely generated groups" Abstract
16 Jul Marialaura Noce (EHU & University of Salerno) "Engel conditions in groups of automorphisms of rooted trees" Abstract
Winter Semester 2018/2019
18 Sep Urban Jezernik (EHU) "Fibres of word maps" Abstract
25 Sep Marithania Silvero Casanova (EHU) "Khovanov homology: a combinatorial approach" Abstract
02 Oct Sam Corson (EHU) "Homomorphisms are necessarily nice" Abstract
08 Oct Davide Spriano (ETH) "Quasiconvexity in hierarchically hyperbolic spaces" Abstract
09 Oct Simon André (University of Rennes 1) "Hyperbolicity and first-order logic" Abstract
11 Oct Oihana Garayalde Ocaña (University of Düsseldorf) "Hausdorff dimension of finitely generated pro-p groups" Abstract
16 Oct Ged Corob Cook (EHU) "Finiteness condition for totally disconnected, locally compact groups" Abstract
30 Oct Matteo Pintonello (EHU) "Introduction to P. Hall's questions on verbal subgroups" Abstract
06 Nov Andoni Zozaya Ursuegui (EHU) "Commutator width in finitely generated nilpotent groups and Serre’s Theorem" Abstract
13 Nov Jan Boschheidgen (EHU) "Congruence subgroup property of SLn(Z)" Abstract
20 Nov Andrew Duncan (University of Newcastle - UK) "One relator quotients of partially commutative groups" Abstract
22 Nov Liza Frenkel (Moscow State University) "The art of measuring in free groups and free group constructions" Abstract
04 Dec Gunnar Traustason (University of Bath) "Powerfully nilpotent groups" Abstract
18 Dec Javier Aramayona (UAM) "On the abelianization of big mapping class groups" Abstract
20 Dec Michal Ferov (University of Newcastle - Australia) "Separating cyclic subgroups in graph products of groups" Abstract
09 Jan Rubén Blasco García (University of Zaragoza) "Even Artin groups" Abstract
11 Jan Mark Hagen (University of Bristol) "Why should you care about pseudo-Anosov" Abstract
22 Jan Javier de la Nuez González (EHU) "A graph product of linear groups is linear" Abstract
29 Jan Anne Lonjou (University of Basel) "Cremona group and Voronoi tessellation" Abstract
Summer Semester 2018
02 Feb Ana Ros Camacho (Utrecht University) "Matrix factorizations and the Landau-Ginzburg/conformal field theory correspondence" Abstract
06 Feb Peter Kropholler (University of Southampton) "Problems on random walks on soluble groups and linearity of soluble groups" Abstract
08 Feb Ilaria Castellano (University of Southampton) "Cohomological finiteness conditions for totally disconnected locally compact groups" Abstract
13 Feb Primož Moravec (University of Ljubljana) "Stable rationality of invariants of function fields" Abstract
20 Feb Oihana Garayalde Ocaña (University of Düsseldorf) "Hausdorff dimension of pro-p groups" Abstract
23 Feb Yago Antolín Pichel (UAM & ICMAT) "Counting in fftp graphs with symmetry" Abstract
27 Feb Albert Garreta Fontelles (EHU) "Hilbert's 10th problem in rings, algebras, and solvable groups" Abstract
06 Mar Matteo Vannacci (University of Düsseldorf) "A survey on probabilistic group theory and probabilistic identities" Abstract and slides
08 Mar Andrea Seppi (University of Luxembourg) "Isometric embeddings of the hyperbolic plane into Minkowski space" Abstract
10 Apr Ashot Minasyan (University of Southampton) "Exotic acylindrically hyperbolic groups" Abstract
17 Apr Geoffrey Janssens (Vrije Universiteit Brussel) "The integral Isomorphism problem, a helping hand from (geometric) group theory" Abstract
24 Apr Sam Corson (EHU) "What can fail without choice" Abstract
07 May Martin Bridson (Oxford University) "Chasing finite shadows of infinite groups through geometry" Mathematics Colloquium
08 May Costantino Delizia (University of Salerno) "On semiconcise words" Abstract
09 May Alexander Zakharov (University of Porto) "On finitely generated submonoids of free groups" Abstract
21 May Luís Mendonça (University of Campinas) "The weak commutativity construction for groups and Lie algebras" Abstract
12 Jun Rémi Coulon (University of Rennes 1) "A non-residually finite group acting uniformly properly on a hyperbolic space" Abstract
03 Jul Katrin Tent (University of Münster) "Sharply 2- and 3-transitive groups" Abstract
Winter Semester 2017/2018
28 Sep Ged Corob Cook (EHU) "Eidelberg-MacLane spaces for topological groups" Abstract
03 Oct Urban Jezernik (EHU) "Commuting probability" Abstract
17 Oct Cristina Acciarri (University of Brasilia & University of Padua) "Graphs encoding the generating properties of a finite group" Abstract
24 Oct Iker de las Heras Kerejeta (EHU) "Commutators in groups" Abstract
02 Nov Ged Corob Cook (EHU) "Homological finiteness conditions for totally disconnected, locally compact groups" Abstract
07 Nov Jone Uria Albizuri (EHU) "Regular branch groups with doubly exponential portrait growth" Abstract
14 Nov Urban Jezernik (EHU) "The fundamental group in commuting probability" Abstract
24 Nov Federico Berlai (EHU) "A refined combination theorem for hierarchically hyperbolic spaces" Abstract
28 Nov Iker de las Heras Kerejeta (EHU) "Words in groups" Abstract
05 Dec Javier de la Nuez González (EHU) "Burnside groups" Abstract
11 Dec Jone Uria Albizuri (EHU) "Groups acting on regular rooted trees: congruence subgroup problem and portrait growth" PhD defense
12 Dec Javier de la Nuez González (EHU) "Canonical words in Burnside groups of odd exponent" Abstract
19 Dec Albert Garreta Fontelles (EHU) "Engel elements in some weakly regular branch groups" Abstract
09 Jan Jonathan Sánchez Hernández (EHU) "On the SO(3)-bundles on Wolf Spaces" Abstract
23 Jan Jordi Delgado Rodríguez (EHU) "Enriched Stallings automata" Abstract and slides
30 Jan Imanol Mozo Carollo (EHU) "Discontinuous functions on frames" Abstract and slides
Summer Semester 2017
11 Jan Federico Berlai (EHU) "A brief introduction to amenable groups" Abstract
18 Jan Federico Berlai (EHU) "Sofic groups" Abstract
24 Jan Marialaura Noce (EHU & University of Salerno) "Amenability and growth of the first Grigorchuk group" Abstract
03 Feb Vincent Guirardel (University of Rennes 1) "Endomorphisms of lacunary hyperbolic groups" Abstract
08 Feb Albert Garreta Fontelles (EHU) "Word equations: Jez's simple (but powerful) recompression method" Abstract
17 Feb Albert Garreta Fontelles (EHU) "Equations over free groups" Abstract
22 Feb Albert Garreta Fontelles (EHU) "Equations over free groups II" Abstract
01 Mar Albert Garreta Fontelles (EHU) "Equations over free groups III" Abstract
08 Mar Albert Garreta Fontelles (EHU) "Equations over free groups IV" Abstract
15 Mar Albert Garreta Fontelles (EHU) "Equations over free groups V" Abstract
17 Mar Oihana Garayalde Ocaña (University of Düsseldorf) "The Bieri-Strebel invariants and their applications" Abstract
29 Mar Albert Garreta Fontelles (EHU) "Equations over free groups VI" Abstract
05 Apr Albert Garreta Fontelles (EHU) "Equations over free groups VII" Abstract
10 Apr Federico Berlai (EHU) "Higman's group and related stories" Abstract
28 Apr Montse Casals Ruiz (EHU) "On limit groups over free groups" Abstract
03 May Montse Casals Ruiz (EHU) "On limit groups over free groups II" Abstract
04 May Jone Uria Albizuri (EHU) "Groups of intermediate growth and groups acting on regular rooted trees" Abstract
10 May Pei Wang (EHU) "Rips machine" Abstract
11 May Pei Wang (EHU) "Rips machine II" Abstract
17 May Pei Wang (EHU) "Rips machine III" Abstract
23 May Carolina Vallejo Rodríguez (ICMAT) "Detecting local properties in the character table" Abstract
24 May Pei Wang (EHU) "Rips machine IV" Abstract
31 May Bruno Robbio (EHU) "Introduction to hierarchically hyperbolic spaces" Abstract
06 Jun Şükran Gül (EHU) "Cayley digraphs of prime power order are Hamiltonian" Abstract
07 Jun Bruno Robbio (EHU) "Introduction to hierarchically hyperbolic spaces II" Abstract
14 Jun Alexander Zakharov (EHU) "Ends of groups, Stallings theorem and virtually free groups" Abstract
15 Jun Alexander Zakharov (EHU) "Ends of groups, Stallings theorem and virtually free groups II" Abstract