Abstract
In this paper, we show that the Nielsen number N(f) of any map f on an infra-nilmanifold is either equal to |L(f)|, where L(f) is the Lefschetz number of that map, or equal to|L(f)−L(f +)|, where f + is a lift of f to a 2-fold covering of that infra-nilmanifold. By exploiting the exact nature of this relationship for all powers of f, we prove that the Nielsen dynamical zeta function for a map on an infra-nilmanifold is always a rational function.
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Dekimpe, K., Dugardein, GJ. Nielsen zeta functions for maps on infra-nilmanifolds are rational. J. Fixed Point Theory Appl. 17, 355–370 (2015). https://doi.org/10.1007/s11784-014-0165-4
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DOI: https://doi.org/10.1007/s11784-014-0165-4