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math.CA2019
Model subspaces techniques to study Fourier expansions in L^2 spaces associated to singular measures
Jorge Antezana, Maria Guadalupe Garcia
Let be a probability measure on that is singular with respect to the Haar measure. In this paper we study Fourier expansions in using technique…
math.FA2019★ 1 cited
Minimal curves in U(n) and Gl(n)+ with respect to the spectral and the trace norms
Jorge Antezana, Eduardo Ghiglioni, Demetrio Stojanoff
Consider the Lie group of n x n complex unitary matrices U(n) endowed with the bi-invariant Finsler metric given by the spectral norm, ||X||_U = ||U*X||_{sp} = ||X||_{sp} for any X…