Remarks on the Reidemeister Numbers for Coincidences
Commun. Korean Math. Soc. 1998 Vol. 13, No. 1, 109-121
Seoung Ho Lee, Sung-Do Baek Mokwon University, Mokwon University
Abstract : Let $X,Y$ be connected, locally connected, semilocally simply connected and $f,g:X\to Y$ be a pair of maps. We find an upper bound of the Reidemeister number $R(f,g)$ by using the regular covering spaces.
Keywords : Reidemeister number of coincidence, regular covering space