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math.FA2016★ 5 cited
Lattices from tight equiangular frames
Albrecht Boettcher, Lenny Fukshansky, Stephan Ramon Garcia +2
We consider the set of all linear combinations with integer coefficients of the vectors of a unit tight equiangular frame and are interested in the question whether this se…
math.FA2016
On the similarity of AB and BA for normal and other matrices
Stephan Ramon Garcia, David Sherman, Gary Weiss
It is well-known that and are similar when and are complex square Hermitian matrices. In this note we answer a question of F. Zhang by demonstrating that similari…