44

Answers
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13
The probability for a symmetric matrix to be positive definite
3
Projections in Banach spaces
4
Non perfect Type one C^* Algebra, and a lemma in fourier analysis.
4
Spectral radius on 0-1 vectors.
5
Comparison of the norm of a matrix and its entry-wise absolute value.
11
Von Neumann algebra associated to the infinite Cuntz algebra
3
Reconstructing a word
5
Partial isometries making families of linearly independent vectors orthogonal
7
Probability that a word in the free group becomes (much) shorter?
3
Set of unitaries with “spread-like” properties
6
von Neumann automorphisms: does convergence on a dense algebra imply $u$-convergence?
1
Dual Norm For Sum of 2-Norms
5
Sums of unitaries with small norm in full group $C^*$-algebras
6
Stone-Weierstrass analogue for $L^p$
3
Inequality of von Neumann for more than two contractions
3
Inequalities involving moments
0
approximation of holomorphic functions on a halfplane.
3
Cross norms on tensor product of universal $C^*$-algebras and Kirchberg property
6
Sums of Unitary Matrices
5
Complement of a subspace which is a cartesian product
16
Is the space of Hankel operators complemented in B(H)?
5
Expected norm of sum of random orthogonal matrices
9
Some questions concerning a random number process
4
omega-Commuting matrices vs Stone-von Neumann Theorem
4
bounding the trace of a matrix product by the operator norms; generalized Hölder inequality?
2
Matrices whose entries are essentially traces of products of unitary matrices.
5
Seeking proof for linear algebra constraint problem.
10
Zero sum of binomial coefficients
6
Characterization of the non-negative definite functions $f(x,y)$
7
Matrix inversion lemma with pseudoinverses
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