Taylor expansion for an operator function
Mathematical Physics
2007-05-23 v1 math.MP
Abstract
A simple version for the extension of the Taylor theorem to the operator functions was found. The expansion was done with respect to a value given by a diagonal matrix for the non-commutative case, and the coefficients are given both by recurrence relations and Cauchy integrals.
Cite
@article{arxiv.math-ph/0408059,
title = {Taylor expansion for an operator function},
author = {Ioan Sturzu},
journal= {arXiv preprint arXiv:math-ph/0408059},
year = {2007}
}