Counting covered fixed points and covered arcs in an involution

Mansour, R

Mansour, R (通讯作者),Gordon Coll Educ, IL-3570503 Haifa, Israel.

QUAESTIONES MATHEMATICAE, 2023; 46 (12): 2625

Abstract

An involution on [n] = {1, 2, horizontal ellipsis , n} is a permutation pi(1) pi(2) horizontal ellipsis pi n on [n] such that pi(pi i) = i for all i i......

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