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Published online by Cambridge University Press: 13 September 2024
We study analogues of Kronecker coefficients for symmetric inverse semigroups, for dual symmetric inverse semigroups and for the inverse semigroups of bijections between subquotients of finite sets. In all cases, we reduce the problem of determination of such coefficients to some group-theoretic and combinatorial problems. For symmetric inverse semigroups, we provide an explicit formula in terms of the classical Kronecker and Littlewood–Richardson coefficients for symmetric groups.
Communicated by James East
The first author is partially supported by the Swedish Research Council. The second author was supported by DST INSPIRE faculty fellowship ref. no. DST/INSPIRE/04/2021/000268.