Title of article :
On the Parity of Colourings and Flows
Author/Authors :
Goodall، نويسنده , , Andrew J. and Welsh، نويسنده , , Dominic J.A.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
We extend a result of Tarsi and show that the chromatic polynomial and flow polynomial evaluated at 1+k are up to sign the same modulo k2 for any integer k such that |k|⩾2.
Journal title :
Journal of Combinatorial Theory Series B
Journal title :
Journal of Combinatorial Theory Series B