This is a (mostly expository) paper on Reidemeister classes, twisted
Burnside-Frobenius theory, congruences, R-infinity property and all that. It
was written in 2005 and published in 2008. We post it as it was, only the
bibliography data is updated.
This is a (mostly expository) paper on Reidemeister classes, twisted
Burnside-Frobenius theory, congruences, R-infinity property and all that. It
was written in 2005 and published in 2008. We post it as it was, only the
bibliography data is updated.