Mike Jury's user avatar
Mike Jury's user avatar
Mike Jury's user avatar
Mike Jury
  • Member for 13 years, 1 month
  • Last seen more than a week ago
13 votes
Accepted

Completely positive maps-equivalent definition

12 votes
Accepted

Convexity of the product of two exponential matrices

11 votes
Accepted

Image of L^1 under the Fourier Transform

9 votes
Accepted

Fourier series representing a continuous function?

9 votes
Accepted

Cyclic vectors for the shift operator

9 votes

Matrix trace & norm

8 votes
Accepted

Help in understanding result from publication on operator theory

8 votes
Accepted

when is an algebra map conjugate to a star algebra map

7 votes

What is the most useful non-existing object of your field?

6 votes

Partial Isometries Satisfying Cuntz-like Relations

6 votes
Accepted

Invariant subspaces are reducing subspaces in $L^2(\mu)$; where $\mu$ is a singular measure w.r.t Lebesgue measure

6 votes
Accepted

Geometry of Hermitian rank $\leq r$ matrices

6 votes
Accepted

Invertible operator with countable spectrum

6 votes
Accepted

On the possibility of extending the Sz.-Nagy dilation theorem for multiple contraction operators on Hilbert spaces

5 votes
Accepted

On the self-adjoint part of a quasinilpotent operator

5 votes

RKHSs containing constant functions

5 votes
Accepted

Does nuclearity pass to un-tensoring?

5 votes

Analogue of Cayley Hamilton theorem for operators on Hilbert space

5 votes
Accepted

Commuting nets for commuting projections

4 votes
Accepted

Murray–von Neumann equivalence on C$^*$-algebra and von Neumann algebra

4 votes

Bounded linear functionals and representations

4 votes
Accepted

Is there an operator algebraic reformulation of the invariant subspace problem?

4 votes
Accepted

An corona pair (a,b) satisfies (A_2)

3 votes

A version of von Neumann inequality

3 votes

Diagonalizing a Complex Symmetric Matrix

3 votes
Accepted

Fredholmness of an operator-valued Toeplitz operator

3 votes
Accepted

Maximizing/Minimizing the Operator norms of 0-1 matrices subject to a constraint

3 votes
Accepted

The square of an hyponormal operator

2 votes

A sum-of-determinants identity

2 votes
Accepted

Complementation in tensor products