The Nielsen type numbers for maps on a 3-dimensional flat Riemannian manifold

Ku Yong Ha, Jong Bum Lee

DOI: http://dx.doi.org/10.12775/TMNA.2015.017

Abstract


Let $f\colon M\to M$ be a self-map on a $3$-dimensional flat Riemannian $M$. We compute the Lefschetz number and the Nielsen number of $f$ by using the infra-nilmanifold structure of $M$ and the averaging formulas for the Lefschetz numbers and the Nielsen numbers of maps on infra-nilmanifolds. For each positive integer $n$, we provide an explicit algorithm for a complete computation of the Nielsen type numbers $\NP_n(f)$ and $N\Phi_n(f)$ of $f^n$.

Keywords


Flat manifold; Nielsen type numbers

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