2013-10-28 10:00-11:00 FAMNIT-SEMIN Primož Lukšič (UP IAM and Abelium). Growth in graphs The concepts of adjacency and distance are two of the most basic terms in graph theory. A natural generalization leads to the notion of distance degree which tells…
2013-10-23 12:00-13:00 FAMNIT-SEMIN Michal Zajac (Slovak University of Technology, Bratislava, Slovakia) Invariant subspace problem and hyperreflexivity Download the abstract.
2013-10-21 10:00 – 12:00 Muzejski 2 Ademir Hujdurović (UP IAM, UP FAMNIT) PhD Thesis defence The thesis contains number of different topics in algebraic graph theory, touching and resolving some open problems that have been a center of research interest…
2013-10-18 15:00-18:00 FAMNIT-POŠTA Tamas Szonyi (Eotvos Lorand University and Automation Institute of HAS, Budapest, Hungary) Lacunary polynomials and finite geometry The polynomial method has many applications in finite geometry, for example for (multiple) blocking sets, arcs, caps, (k,n)-arcs, and other substructures…
2013-10-14 10:00-11:00 FAMNIT-SEMIN dr. Istvan Kovacs Vertex-transitive quasi 2-Cayley graphs In 2011 K. Kutnar, A. Malnič, L. Martinez and D. Marušič introduced the concept of the quasi m–Cayley graph for a positive integer m as follows. A finite simple graph X=(V,E)…
2013-10-10 16:00-17:00 FAMNIT-SEMIN Assoc. Prof. Amela Muratović-Ribić (University of Sarajevo, BiH) Normal basis Extension of finite field F can be considered as a vector space over F and it has a many basis. Normal basis are of the special importance…
2013-10-07 10:00-11:00 FAMNIT-SEMIN (Kettejeva 1, Koper) Marko Orel Cores and adjacency preservers A graph is a core if any its endomorphism is an automorphism. In the talk I will describe some cores that are formed by particular sets of matrices.…
2013-10-04 11:00-11:40 FAMNIT-SEMIN N. V. Maslova Normal structure of finite groups with arithmetic restrictions on their subgroups . A finite group H is called a P-group for some set of prime numbers P when all primes that divide the order…
2013-10-04 10:00-10:40 FAMNIT-SEMIN A. S. Kondrat’ev Gruenberg-Kegel graphs and their applications. The prime graph of a group G, also known as the Gruenberg-Kegel graph GK(H), after Karl Gruenberg (1928-2007) and Otto Kegel (1934-), has as its vertex set all the…
2013-07-01 10:00-11:00 FAMNIT-SEMIN (Kettejeva 1, Koper) Alexander Guterman (Moscow State University, Russia) Polya permanent problem: 100 years after Download abstract.