When a smooth self-map of a semi-simple Lie group can realize the least number of periodic points

Jezierski, Jerzy

doi:10.1007/s11425-016-9099-9

Sci. China Math.

2017

DOI: 10.1007/s11425-016-9099-9

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When a smooth self-map of a semi-simple Lie group can realize the least number of periodic points

Jerzy Jezierski

Abstract: There are two algebraic lower bounds of the number of n-periodic points of a self-map f :

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2021

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Least number of n-periodic points of self-maps of $$PSU(2)\times PSU(2)$$

Jezierski

2021

J. Fixed Point Theory Appl.

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Let $$f:M\rightarrow M$$ f : M → M be a self-map of a compact manifold and $$n\in {\mathbb {N}}$$ n ∈ N . In general, the least number of n-periodic points in the smooth homotopy class of f may be much bigger than in the continuous homotopy class. For a class of spaces, including compact Lie groups, a necessary condition for the equality of the above two numbers, for each iteration $$f^n$$ f n , appears. Here we give the explicit form of the graph of orbits of Reidemeister classes $$\mathcal {GOR}(f^*)$$ GOR ( f ∗ ) for self-maps of projective unitary group PSU(2) and of $$PSU(2)\times PSU(2)$$ P S U ( 2 ) × P S U ( 2 ) satisfying the necessary condition. The structure of the graphs implies that for self-maps of the above spaces the necessary condition is also sufficient for the smooth minimal realization of n-periodic points for all iterations.

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Least number of n-periodic points of self-maps of $$PSU(2)\times PSU(2)$$

Jezierski

2021

J. Fixed Point Theory Appl.

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When a smooth self-map of a semi-simple Lie group can realize the least number of periodic points

Abstract: There are two algebraic lower bounds of the number of n-periodic points of a self-map f :

Cited by 1 publication

References 13 publications

Least number of n-periodic points of self-maps of $$PSU(2)\times PSU(2)$$

Least number of n-periodic points of self-maps of $$PSU(2)\times PSU(2)$$

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