User Mark Roelands

13 votes

1 answer

401 views

Is there a reflexive Banach space whose ball is not the convex hull of its extreme points?

asked Sep 15, 2022 at 8:14

9 votes

1 answer

338 views

Commuting nets for commuting projections

asked Sep 18, 2014 at 18:20

7 votes

0 answers

244 views

Commutation preserving operators

asked Nov 14, 2015 at 16:21

6 votes

0 answers

237 views

A characterisation of certain $C^*$-algebras

asked Oct 27, 2018 at 8:20

5 votes

0 answers

218 views

When is it true that $Z(A)^{} = Z(A^{})$ for a C*-algebra $A$?

asked Jun 17, 2021 at 9:02

4 votes

1 answer

167 views

Consider a net of weak order units in a Riesz space converging in order to a weak order unit. Is there a tail whose infimum is a weak order unit?

asked Aug 21, 2020 at 13:49

3 votes

1 answer

622 views

A Banach space where the closed unit ball is the convex hull of its extreme points

asked Sep 26, 2019 at 14:46

3 votes

2 answers

207 views

Commutative direct summands of C*-algebras

asked Oct 23, 2018 at 8:11

2 votes

1 answer

138 views

Inequalities for upper semi-continuous affine functions on compact sets by using extreme points

asked Feb 7, 2020 at 15:30

0 votes

0 answers

56 views

When does an inner product on $C(K)$ come from integration?

asked Aug 2 at 18:56

0 votes

0 answers

72 views

Question about action of exponential of Lie algebras (Faraut and Koranyi's book)

asked Sep 15 at 14:06

Stack Exchange Network

11 Questions

Is there a reflexive Banach space whose ball is not the convex hull of its extreme points?

Commuting nets for commuting projections

Commutation preserving operators

A characterisation of certain $C^*$-algebras

When is it true that $Z(A)^{} = Z(A^{})$ for a C*-algebra $A$?

Consider a net of weak order units in a Riesz space converging in order to a weak order unit. Is there a tail whose infimum is a weak order unit?

A Banach space where the closed unit ball is the convex hull of its extreme points

Commutative direct summands of C*-algebras

Inequalities for upper semi-continuous affine functions on compact sets by using extreme points

When does an inner product on $C(K)$ come from integration?

Question about action of exponential of Lie algebras (Faraut and Koranyi's book)