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Top Questions
12
votes
Can a non-commutative C*-algebra be a minimal operator space?
fa.functional-analysis
c-star-algebras
operator-spaces
asked Jan 23, 2014 at 16:33
mathoverflow.net
8
votes
Why are $C(K)$-spaces $\mathcal{L}^{\infty}$-spaces?
functional-analysis
banach-spaces
asked Jun 2, 2013 at 10:16
math.stackexchange.com
7
votes
Triangle inequality for $L^1$-norm with respect to a state
fa.functional-analysis
oa.operator-algebras
asked Oct 29, 2014 at 18:22
mathoverflow.net
6
votes
Subadditivity of the square root for matrices
fa.functional-analysis
matrices
asked Jan 16, 2015 at 21:16
mathoverflow.net
5
votes
Strong ergodicity and spectral gap
gr.group-theory
oa.operator-algebras
asked Nov 7, 2016 at 19:09
mathoverflow.net
5
votes
Infinite dimensional subspaces of $L^1$
fa.functional-analysis
banach-spaces
asked Oct 10, 2014 at 10:43
mathoverflow.net
5
votes
A Banach space with all Hilbertian subspaces complemeneted
fa.functional-analysis
banach-spaces
asked Oct 13, 2014 at 9:29
mathoverflow.net
Top Answers
19
Trace matrix inequality
mathoverflow.net
13
Convergence of moments implies convergence to normal distribution
mathoverflow.net
12
When is $\inf_{n\geq0}x^n\neq0$?
mathoverflow.net
12
Bicommutant theorem for commutative operator algebras
mathoverflow.net
12
Compactness of set of indicator functions
mathoverflow.net
10
Matrix inequality : trace of exponential of Hermitian matrix
mathoverflow.net
10
Examples of amenable Banach algebras which have non-amenable subalgebra
mathoverflow.net
9
Operator norm versus Hlawka inequality
mathoverflow.net
9
If a completely positive unital map admits a completely positive unital left inverse, it is a complete isometry
mathoverflow.net
8
Free probability with unbounded random variables?
mathoverflow.net
8
Strengthening of Connes' embedding conjecture
mathoverflow.net
8
numerical radius of hyponormal operator
mathoverflow.net
8
Unitaries in Banach *-algebras
mathoverflow.net
7
Weak convergence of random variables in $L^2$ and vague convergence
mathoverflow.net
7
The von Neumann algebra generated by a non-closable operator
mathoverflow.net
7
Elements of the minimal tensor product of a finite dimensional operator system and a $C^*$-algebra
mathoverflow.net
7
Need reference for: $\lVert\cdot\rVert_{\text{max}} \leq \lVert\cdot\rVert_h$
mathoverflow.net
6
Two-sided ideals of $B(H)$ are hereditary
mathoverflow.net
6
Does a Gaussian process shrink under a contraction map
mathoverflow.net
6
Completely bounded maps approximately factoring through finite matrices
mathoverflow.net
6
Different definitions of a relatively compact operator
mathoverflow.net
6
Certain interpolation property of von Neumann algebras
mathoverflow.net
5
Non-reflexivity of $B(\mathbb H)$
mathoverflow.net
5
Weak*-norm continuous operators on von Neumann algebras
mathoverflow.net
5
Completely positive map defined by the trace
mathoverflow.net
5
Existence of $L^\infty$ function on $\mathbb{T}$ whose Fourier series is $\ell^2$ but no better?
mathoverflow.net
5
Algebraic tensor product of C*-algebras extends via ideals? Application to restriction theorem?
mathoverflow.net
5
Existence of spectral gap
mathoverflow.net
5
On topology in von Neumann algebras
mathoverflow.net
5
Behaviour of Direct limit with quotient and double dual
mathoverflow.net
1
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