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Some EH-problems (Easy to state, Hard to solve)
by
Andrzej Kisielewicz
University of Wroclaw
I will present some EH-problems in the AAA-area I was dealing recently with. They concern: freeness of matrix semigroups, synchronization of graphs and automata, and automorphism groups of graphs.
Date received: May 13, 2008
Copyright © 2008 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # cawc-63.