Combinatorial methods are used to give a characterization of finite groups G with Aut(G) Abelian and to show that if G is a finite group and α is an automorphism of G, then the number of fixed points of α in G is a multiple of the number of fixed points of α in G/Z(G).
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Translated from Algebra i Logika, Vol. 52, No. 5, pp. 582-588, September-October, 2013.
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Deaconescu, M., Walls, G.L. Groups Acting on Groups. Algebra Logic 52, 387–391 (2013). https://doi.org/10.1007/s10469-013-9250-9
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DOI: https://doi.org/10.1007/s10469-013-9250-9