Kate Juschenko's user avatar
Kate Juschenko's user avatar
Kate Juschenko's user avatar
Kate Juschenko
  • Member for 13 years, 7 months
  • Last seen more than 6 years ago
12 votes
Accepted

Subgroups of U(M_n)

9 votes
Accepted

Example of an infinite index subgroup of a non-amenable group whose normalizer is of non-zero finite index, and such that the Schreier graph is of subexponential growth

9 votes
Accepted

Amenability of groups

9 votes
Accepted

Whether the system of matrix equations is always solvable

9 votes

Completely positive maps as "positive operators"

9 votes

How hopficity is preserved under finite index?

8 votes
Accepted

Probability measure product space

7 votes
Accepted

Does every normal subgroup appear as a kernel of an irreducible representation?

6 votes
Accepted

Journals similar to "Positivity"?

6 votes

amenable equivalence relation generated by an action of a non-amenable group

6 votes
Accepted

derivation between two $C^{*}$ algebras

6 votes
Accepted

a question on Folner sets

6 votes

Zero divisors in group algebras of torsion-free groups of length 3

5 votes
Accepted

A 3*3 matrix space problem

4 votes

Positive extension of functionals on a subset of the state space of a $C^*$ algebra

4 votes

Does this norm inequality hold for projections onto the range of a sum of matrices?

4 votes

A non-amenable group which is "almost amenable"

3 votes

Amenability of groups in terms of a perturbation condition

2 votes

Matrix-Norm equivalence with p-Norm