2014-10-27 10:00-10:45 FAMNIT-SEMIN Istvan Kovacs (UP FAMNIT) Finite CI-groups and Schur rings A Cayley graph Cay(G,S) is called a CI-graph if for every subset Tof G, if Cay(G,T) and Cay(G,S) […]
2014-10-20 10:00-10:45 FAMNIT-SEMIN Ademir Hujdurović Generalized Cayley graphs Generalized Cayley graphs were defined by D.Marušič, R. Scapellato and N. Zagaglia Salvi in 1992. They studied properties of such graphs, mostly […]
2014-10-13 10:00-10:45 FAMNIT-SEMIN György Pál Gehér (University of Szeged and University of Debrecen, Hungary) A two dimensional matrix problem of Molnar and Timmermann and its connection to a geometric problem […]
2014-10-06 10:00-11:00 FAMNIT-SEMIN Dr. Flavia Bonomo (Buenos Aires University, Argentina) Minimum weight clique cover in claw-free perfect graphs For a perfect graph G, and given a weight function w on […]
2014-10-06 11:00-12:00 FAMNIT-SEMIN Dr. Pablo De Caria (National University of La Plata, Argentina) On chordal and dually chordal graphs and their tree representations Chordal and dually chordal graphs are well […]
2014-09-29 10:00-11:00 FAMNIT-SEMIN Dr Matthew Johnson (Durham University, UK) Finding (Shortest) Paths between Graph Colourings The reconfiguration graph of the $k$-colourings of a graph $G$ contains as its vertex set […]
2014-06-16 10:00-12:00 FAMNIT-MP Janez Povh (Fakulteta za informacijske študije v Novem mestu) Kaj imata skupnega kombinatorična optimizacija in realna algebraična geometrija V kombinatorični optimizaciji se ukvarjamo z iskanjem optimuma linearne […]
2014-06-02 10:00-11:00 FAMNIT-SEMIN Dr. Russ Woodroofe ( Mississippi State University, USA) Noncontractibility of the coset lattice and fixed points of group actions Ken Brown asked whether there is any group […]
2014-06-23 10:00-11:00 FAMNIT-SEMIN Ganna Kudryavtseva, IMFM Non-commutative Stone dualities In the talk, I will outline several approaches to non-commutative generalizations of Stone duality that have been developed in recent years. […]
2014-06-11 10:00-11:00 FAMNIT-VP prof. dr. Robin Wilson (Open University, United Kingdom) EULER: 300 YEARS ON Euler was the most prolific mathematician of all time – but what did he do? […]