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SUMMARY:Dave Morris (University of Lethbridge)
DTSTART:20221024T180000Z
DTEND:20221024T190000Z
DTSTAMP:20260423T035543Z
UID:NTC/8
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/NTC/8/">On v
 ertex-transitive graphs with a unique Hamiltonian circle</a>\nby Dave Morr
 is (University of Lethbridge) as part of Lethbridge number theory and comb
 inatorics seminar\n\nLecture held in University of Lethbridge: M1040 (Mark
 in Hall).\n\nAbstract\nWe will discuss graphs that have a unique Hamiltoni
 an cycle and are vertex-transitive\, which means there is an automorphism 
 that takes any vertex to any other vertex. Cycles are the only examples wi
 th finitely many vertices\, but the situation is more interesting for infi
 nite graphs. (Infinite graphs do not have ``Hamiltonian cycles''\, but the
 re are natural analogues.) The case where the graph has only finitely many
  ends is not difficult\, but we do not know whether there are examples wit
 h infinitely many ends. This is joint work in progress with Bobby Miraftab
 .\n
LOCATION:https://researchseminars.org/talk/NTC/8/
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