User Masayoshi Kaneda

8 votes

2 answers

961 views

The monotone closure of a $C^*$-algebra

asked Aug 3, 2012 at 12:56

7 votes

1 answer

429 views

Open projections and Murray-von Neumann equivalence

asked May 9, 2018 at 0:13

7 votes

1 answer

491 views

Projections in the tensor product of von Neumann algebras

asked Jan 22, 2019 at 22:59

7 votes

1 answer

264 views

Can the intersection of a unitary and an irreducibly represented injective $C^*$-algebra be $\{0\}$?

asked May 12, 2021 at 19:44

4 votes

0 answers

282 views

Extensions of completely positive mappings

asked Aug 9, 2012 at 19:04

4 votes

2 answers

958 views

Do semi-continuous functions generate bounded Borel measurable functions as a $C^*$-algebra?

asked Aug 17, 2012 at 9:51

3 votes

1 answer

194 views

Linear independency and compactness of the set of pure states of a $C^*$-algebra

asked Jul 24, 2016 at 12:44

3 votes

2 answers

397 views

Is the ideal property of $X^{**}$ inheritable to $X$?

asked May 26, 2018 at 23:34

0 votes

1 answer

118 views

Configurations of signs in a matrix under certain conditions

asked Sep 22 at 23:21

Stack Exchange Network

9 Questions

The monotone closure of a $C^*$-algebra

Open projections and Murray-von Neumann equivalence

Projections in the tensor product of von Neumann algebras

Can the intersection of a unitary and an irreducibly represented injective $C^*$-algebra be $\{0\}$?

Extensions of completely positive mappings

Do semi-continuous functions generate bounded Borel measurable functions as a $C^*$-algebra?

Linear independency and compactness of the set of pure states of a $C^*$-algebra

Is the ideal property of $X^{**}$ inheritable to $X$?

Configurations of signs in a matrix under certain conditions