Speaker: Roman Nedela, Matej Bel University
Date: Tue, Apr 25, 2017
Time: 15:30 - 17:30
Venue: Middle Meeting Room
Title: Graph coverings (1)
- Graphs and Groups
Graphs with semiedges and their fundamental groups; Actions of groups on graphs; Highly symmetrical graphs; Subgroup enumeration; Enumeration of conjugacy classes.
- Graph coverings and voltage spaces
Graph coverings and two group actions on a fibre; Voltage spaces, permutation voltage space; Caley voltage space; Coset voltage space; Equivalence of coverings and T-reduced voltage spaces; Enumeration of Coverings.
Slides: View slides