Vol. 29, No. 3, 1969

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Matrices with prescribed characteristic polynomial and a prescribed submatrix. I

Graciano de Oliveira

Vol. 29 (1969), No. 3, 653–661
Abstract

Let A be an arbitrary (complex) n × n matrix and let f(λ) be a polynomial (with complex coefficients) of degree n + 1 with leading coefficient (1)n+1. In this paper we solve the problem: under what conditions does there exist an (n + 1) × (n + 1) (complex) matrix B of which A is the submatrix standing in the top left-hand corner and such that f(λ) is its characteristic polynomial?

Mathematical Subject Classification
Primary: 15.30
Milestones
Received: 5 March 1968
Published: 1 June 1969
Authors
Graciano de Oliveira