2023-10-19 15:00 — 16:00 Famnit MP1 Maël DUMAS (University of Orléans, France) On graphs coverable with k shortest paths We show that if the edges or vertices of an undirected graph G can be covered by k shortest paths, then…
2023-10-16 15:00 — 16:00 Famnit MP1 Robin Wilson (Open University, United Kingdom) Combinatorics – The Mathematics that Counts In this partly historical talk I explain what is meant by combinatorics, and outline its development from ancient problems in China and India…
2023-10-12 10:00-17:30 FAMNIT-MP1 Various invited speakers Workshop on Algebraic Combinatorics We're thrilled to extend an invitation to you for a workshop that's bound to be an eye-opener. Hosted by the Andrej Marušič Institute and the Faculty of Mathematics, Natural Sciences,…
2023-10-02 15:00 — 16:00 Famnit MP1 Claire Hilaire (UP FAMNIT, Slovenia) Minor-Universal Graph for Graphs on Surfaces We show that, for every $n$ and every surface $Sigma$ (orientable or not), there is a graph $U$ embeddable on $Sigma$ with at most…
2023-09-20 14:30-15:00 FAMNIT-VP1 Nicolas Trotignon (CNRS, École Normale Supérieure de Lyon, France) Graphs of high odd girth and high chromatic number We present a new simple construction of graphs with high odd girth (length of a shortest odd cycle) and…
2023-07-17 15:00 — 16:00 FAMNIT-MP6 Eric Gottlieb (Rhodes College, USA) Impartial Chess on Partitions Elwyn Berlekamp introduced a number of combinatorial games, collectively referred to as Impartial Chess, played on rectangular grids. The moves in impartial chess games are inspired…
2023-05-29 15:00 — 16:00 FAMNIT-MP1 Gregory Robson (University of Primorska, Slovenia) On bi-coset digraphs and their automorphism groups Bi-coset graphs, which were originally dened by Du and Xu in 2000, completely characterize all semi-transitive graphs and can be viewed as…
2023-05-25 15:00 — 16:00 FAMNIT-VP2 Lecture Room Victoria Gould (University of York, UK) Ethics in Science – what about Mathematics? Raising awareness For any scientific endeavour, the discussion of ethics tends to fall into two categories. One is ethics in…
2023-05-22 15:00 — 16:00 Famnit MP1 Dr. Simona Bonvicini (Università di Modena e Reggio Emilia, Italy) A fruitful approach for signed graphs A signed graph can be described as an undirected graph whose edges are assigned a + or −…