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

By Michele Benzi, Paola Boito. 2013

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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.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics, Mathematical Physics

View Paper: https://www.semanticscholar.org/paper/4a6669fe1b661db8201e11e3851a7f023400eac1