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Mikael de la Salle
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answer
28
The use of computers leading to major mathematical advances II
Jul 1, 2021
answer
27
The probability for a symmetric matrix to be positive definite
Jan 10, 2013
question
23
Are almost commuting hermitian matrices close to commuting matrices (in the 2-norm)?
Jun 21, 2011
answer
22
Is the space of Hankel operators complemented in B(H)?
Nov 16, 2011
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21
Von Neumann algebra associated to the infinite Cuntz algebra
Aug 30, 2012
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15
Comparison of the norm of a matrix and its entry-wise absolute value.
Sep 26, 2012
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15
How to prove a unit norm matrix is the average of two unitary matrix
Jan 2, 2011
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14
Almost commuting unitary matrices
Nov 4, 2015
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13
Question on eigenvalue square root subadditivity
Mar 20, 2011
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Matrix inversion lemma with pseudoinverses
Aug 4, 2011
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