2014-04-23 10:00-11:00 FAMNIT-SEMIN dr. Primož Lukšič Distance degree regularity and distance-balanced properties of 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…
2014-04-14 10:00-11:00 FAMNIT-SEMIN Norbert Seifter (Montanuniversität Leoben, Austria) Generalized ends of groups and graphs Roughly speaking an end of a graph G(V,E) is an equivalence class of one-way infinite paths such that any two different equivalence classes can be separated…
2014-04-07 10:00-11:00 FAMNIT-SEMIN Karla Počkaj C^1 Hermite interpolation with spatial PH cubic biarcs and a fully data-dependent criterion for free angles selection In this talk, we will consider the Hermite interpolation with PH spline curve. In particular, at each spline…
2014-03-31 10:00-11:00 FAMNIT-SEMIN Irina Cristea (University of Nova Gorica, Slovenia) Some combinatorial aspects of the connections between hypergroups and fuzzy sets Download abstract. DOWNLOAD SLIDES.
2014-03-24 10:00-11:00 FAMNIT-SEMIN Martin Milanič Counterexamples to Orlin’s conjecture on equistable graphs A stable set in a graph is a set of pairwise non-adjacent vertices, and a stable set is maximal if it is not contained in any other stable…
2014-03-17 10:00-11:00 FAMNIT-SEMIN Paweł Petecki On cyclic Hamiltonian decompositions of complete k-uniform hypergraphs A decomposition $\mathcal{C}=\{ C_1,C_2,…,C_h\}$ of the complete $k$-uniform hypergraph $K^k_n$ of order $n$ is called {\em cyclic Hamiltonian} if each $C_i\in \mathcal{C}$, $i\in\{1,2,\ldots,h\}$, is a Hamiltonian cycle…
2014-03-10 10:00-11:00 FAMNIT-SEMIN Nina Chiarelli On a class of graphs between threshold and total domishold graphs Download abstract!
2014-03-03 10:00-11:00 FAMNIT-SEMIN István Estélyi Cayley Integral Groups A finite group G is called a Cayley integral group if every undirected Cayleygraph over G has integral spectrum. Finite abelian Cayley integral groups havebeen determined by W. Klotz and T. Sander [Electronic J Combin. 17 (2010),…
2014-02-24 10:00-11:00 FAMNIT-SEMIN dr. Joso Vukman On the consequences of a result of S. Kurepa Download abstract!
2014-02-17 10:00-11:00 FAMNIT-SEMIN Mikhail E. Muzychuk (Netanya Academic College, Israel) On systems of linked block designs Download abstract!