Decay properties for functions of matrices over C^*-algebras

2013/07/26 by Benzi, Michele, Boito, Paola · 2 citations
#FOS: Mathematics #Numerical Analysis (math.NA)

paper · doi:10.48550/arxiv.1307.7119

Abstract

We extend previous results on the exponential off-diagonal decay of the entries of analytic functions of banded and sparse matrices to the case where the matrix entries are elements of a C^*-algebra.

Cited by

• Hidden decay in the inverses of acyclic matrices
• Quasiseparable LU decay bounds for inverses of banded matrices

Related

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• Exponential decay of eigenfunctions and generalized eigenfunctions of a non self-adjoint matrix Schrödinger operator related to NLS
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• Quasiseparable LU decay bounds for inverses of banded matrices
• Matrix exponentials