On Exponential Factorizations of Matrices over Banach Algebras

2020/10/24 by Brudnyi, A. · 1 citation
#15A54 #47A68 #FOS: Mathematics #Functional Analysis (math.FA) #Rings and Algebras (math.RA)

paper · doi:10.48550/arxiv.2010.12903

Abstract

We study exponential factorization of invertible matrices over unital complex Banach algebras. In particular, we prove that every invertible matrix with entries in the algebra of holomorphic functions on a closed bordered Riemann surface can be written as a product of two exponents of matrices over this algebra. Our result extends similar results proved earlier in [KS] and [L] for 2× 2 matrices.

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• Parametric Factorization of Matrices

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