Projects / Programmes source: ARIS

Algebraic and metric aspects of symmetry in combinatorial objects

Research activity

Code Science Field Subfield
1.01.05  Natural sciences and mathematics  Mathematics  Graph theory 

Code Science Field
P110  Natural sciences and mathematics  Mathematical logic, set theory, combinatories 
P120  Natural sciences and mathematics  Number theory, field theory, algebraic geometry, algebra, group theory 
symmetry, mathematics, combinatorics, algebra, graph theory, group theory, permutation group, group action, transitive graph
Evaluation (rules)
source: COBISS
Researchers (4)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  00755  MSc Marko Lovrečič Saražin  Mathematics  Researcher  2002 - 2004  30 
2.  02507  PhD Aleksander Malnič  Mathematics  Head  2003  251 
3.  18838  PhD Primož Potočnik  Mathematics  Researcher  2002 - 2004  239 
4.  11687  PhD Boris Zgrablić  Mathematics  Researcher  2002 - 2004  57 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0101  Institute of Mathematics, Physics and Mechanics  Ljubljana  5055598000  20,258 
The research project will focus mainly on algebraic and metric aspects of symmetry in combinatorial objects. A wider frame of the proposed project is actions of groups on finite or infinite sets, graphs, geometries and other combinatorial objects, as well as the opposite, that is, a treatment of symmetry properties of given combinatorial objects and their formalisation through group theory. The project will consider, among other: normally imprimitive actions and graphs with normally imprimitive automorphism groups (the action of a group on a set is normally imprimitive if every partition of the set that is left invariant by the group action, consists of orbits of a normal subgroup in the initial group), different transitivities in graphs, such as adjacency-transitivity (a graph is adjacency-transitive if every its vertex can be mapped to another vertex through a sequence of adjacency-automorphisms of the graph, which are automorphisms sending each vertex to a neighbour or fixing it), half-arc-transitivity (a graph is half-arc-transitive if its automorphism group has a subgroup acting transitively on the set of vertices and on the set of edges of the graph, but not on the set of arcs of the graph), semisymmetry (a graph is semisymmetric if it is regular, its automorphism group acts transitively on the set of edges and intransitively on the set of vertices of the graph), as well as other algebraic and metric aspects of symmetry in combinatorial objects.
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