Counting Quasi-idempotent Irreducible Integral Matrices

Thornblad, E; Zimmermann, J

Thornblad, E (reprint author), Uppsala Univ, Dept Math, Box 480, S-75106 Uppsala, Sweden.

JOURNAL OF INTEGER SEQUENCES, 2018; 21 (4):

Abstract

Given any polynomial p in C[X], we show that the set of irreducible matrices satisfying p(A) = 0 is finite. In the specific case of the polynomial p(X......

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