Schur multipliers in perturbation theory

Analysis Seminar
Wednesday, February 27, 2019 - 1:55pm
1 hour (actually 50 minutes)
Skiles 005
University of New Mexico

Linear Schur multipliers, which act on matrices by entrywisemultiplications, as well as their generalizations have been studiedfor over a century and successfully applied in perturbation theory. Inthis talk, we will discuss extensions of Schur multipliers tomultilinear infinite dimensional transformations and then look intoapplications of the latter to approximation of operator functions.