2015-04-16 11:30 FAMNIT-Pošta Natalia Maslova (IMM UB RAS, Yekaterinburg, Russia) On the finite groups which are spectrum minimal, prime spectrum minimal or prime graph minimal In the group theory, ”arithmetical” properties of a group G are the properties which are…
2015-04-13 10:00-11:00 FAMNIT-POSTA Steve Wilson (Northern Arizona University, USA) The ring of fire: solved by rocks and fishes The Ring of Fire is a problem that baffled me for 25 years. Here it is: You are given a circle of…
2015-04-08 10:00 FAMNIT-POŠTA Karla Ferjančič Predstavitev teme doktorske disertacije: Konstrukcija gibanj togih teles z geometrijsko zveznimi racionalnimi zlepki Racionalna gibanja so zelo uporabno orodje v računalniški grafiki, robotiki in sorodnih področjih. Konstrukcijo navadno razdelimo na dva dela – najprej določimo…
2015-03-30 10:00-11:00 FAMNIT-POSTA Alexander Ivanov (Imperial Collage London, Faculty of Natural Sciences) Locally and weakly locally projective actions Let G be a subgroup in the automorphism group of a graph X. The action of G on X is said to…
2015-03-24 14:00-15:00 FAMNIT-VP Alexey Medvedev (Sobolev Institute of Mathematics, Novosibirsk, Russia and Central European University, Budapest, Hungary) Hamiltonian cycles based on independent even cycles in the Pancake graph. The Pancake graphis the Cayley graph on the symmetric group of permutations…
2015-03-23 10:00-11:00 FAMNIT-POSTA Karla Ferjančič (IAM, University of Primorska) Construction of G^3 rational motion of degree eight In this talk we present a construction of a rigid body motion with point trajectories being rational spline curves of degree eight joining…
2015-03-16 10:00-11:00 FAMNIT-POSTA Samir Hodžić (UP FAMNIT) Generalized bent functions – some general construction methods and related necessary and sufficient conditions In this talk we present a broader theoretical framework useful in studying the properties of so-called generalized bent functions.…
2015-03-09 10:00-11:00 FAMNIT-POSTA dr. Marko Orel (UP IAM and UP FAMNIT) Adjacency preservers on invertible hermitian matrices Consider the graph with the vertex set formed by all $n\times n$ invertible hermitian matrices with coefficients in a finite field $\mathbb{F}_{q^2}$, where…
2015-02-27 10:00-13:00 FAMNIT-VP Michael Muzychuk from Netanya Academic College in Israel Graph Isomorphism problem, Weisfeiler-Leman algorithm and coherent configurations (Part II) The graph isomorphism problem is a computational problem of deciding whether two given graphs are isomorphic. It’s not known…
2015-02-27 18:00 FAMNIT-MP1 Sergio Hiroki Koike Quintanar On the isomorphism problem of bi-Cayley graphs (PhD Thesis Defense) In this PhD thesis we study the isomorphism problem of bi-Cayley graphs and the related question of classifying finite BCI-groups. More precisely, the…