2018-01-24 11:00-12:30 FAMNIT-Muzejski1 Mikhail E. Muzychuk (Ben-Gurion University of the Negev, Israel) Coherent configurations In my lectures I’ll talk about coherent configurations, association schemes and their connection to combinatorics and finite geometry. We also learn how coherent configurations are related…
2018-01-22 10:00-11:00 FAMNIT-POŠTA Alejandra Ramos (UP IAM & UP FAMNIT) Structural results on vertex- and edge-transitive graphs In this talk we present the main topics, research questions and the expected results of the proposed PhD thesis. The central theme of…
Open call Erasmus + for students is published. Applications are now open for study exchanges or exchanges for the purpose of practical training in the period from 1 June 2018 to 30 September 2019. The deadline for applying is 25…
2018-01-15 10:00-11:00 FAMNIT-POŠTA Bojan Kuzma (UP FAMNIT) Commuting graphs — Isometry transfer problems, realizability questions, property recognition, and homomorphisms The essence of commutativity relation on a given Magma is captured in its commuting graph which, by definition, is a simple…
2018-01-08 10:00-11:00 FAMNIT-POŠTA Irena Penev (University of Leeds, United Kingdom) Isolating highly connected induced subgraphs Mader (1972) proved that every graph of average degree at least 4k contains a (k+1)-connected subgraph, and Alon, Kleitman, Saks, Seymour, and Thomassen (1987) proved…
2017-12-18 10:00-11:00 FAMNIT-POŠTA Russ Woodroofe (UP FAMNIT) Recognizing a solvable group from its subgroup lattice The subgroup lattice of a group G is the poset consisting of the subgroups of G, ordered by inclusion. Can you recognize whether a group…
What are we looking for: 2 assistants in the field of Computer science and informatics What do we offer: 1 year full time contract (40 hours a week), starting from 1st February 2018. Required qualifications: MSc (or equivalent of 2nd…
2017-12-14 11:00-12:00 FAMNIT-POŠTA Pavel Klavik (Charles University, Prague, Czech Republic) Jordan-like Characterizations of Automorphism Groups of Geometrically Represented Graphs Frucht (1939) proved that every abstract finite group is isomorphic to the automorphism group of some finite graph. Jordan (1869) studied…
2017-12-11 10:00-11:00 FAMNIT-POŠTA Karin Cvetko Vah (University of Ljubljana) Noncommutative lattices Lattices appear throughout mathematics: from logics and set theory, to algebra (congruence lattice and lattice of subvarieties), discrete mathematics (face lattice of a polytope and matroids) and topology. Noncommutative…
2017-12-04 10:00-11:00 FAMNIT-POŠTA Marko Orel (UP FAMNIT & UP IAM) The finite Minkowski space and the existence of ovoids in the orthogonal polar space Let \F_q be a finite field with q elements, where q is odd, and let A=A^{\top}\in…