The crucial homotopy invariants in Nielsen periodic point theory are numbers: NPn(f)\documentclass[12pt]{minimal}
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\begin{document}$$NP_n(f)$$\end{document}, which is a lower bound of the number of periodic points of length n, and NFn(f)\documentclass[12pt]{minimal}
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\begin{document}$$NF_n(f)$$\end{document} a lower bound of the number of periodic points of length dividing n. Here, f:X→X\documentclass[12pt]{minimal}
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\begin{document}$$f:X\rightarrow X$$\end{document} is a self-map of a compact polyhedron. We derive formulae of the invariants for self-maps of polyhedra with fundamental group π1M=Zps\documentclass[12pt]{minimal}
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\begin{document}$$\pi _1 M=\mathbb {Z}_{p^s}$$\end{document} whose all irreducible classes are essential.