User mathbeginner

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1 answer

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type II$_1$ subalgebra of type III$_1$ factor

asked Feb 21 at 6:14

4 votes

1 answer

312 views

Projections in a diffuse von Neumann algebra

asked Sep 22, 2021 at 16:35

4 votes

1 answer

172 views

The centralizer of a normal state on a type III$_1$ factor

asked Apr 24, 2023 at 14:07

4 votes

1 answer

137 views

Fixed point algebra of a non-amenable factor

asked May 3 at 14:30

3 votes

0 answers

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Subalgebra of a nuclear $C^*$-algebra

asked May 30, 2020 at 23:39

2 votes

1 answer

254 views

Is the reduced group $C^*$-algebra quasidiagonal

asked May 13, 2020 at 11:19

1 vote

1 answer

129 views

Calculation of the norm of linear combinitation of two states on a $C^*$-algebra

asked Mar 10, 2021 at 6:01

1 vote

1 answer

164 views

Two invariants for type III factors

asked Jun 14, 2021 at 22:56

1 vote

1 answer

189 views

Normal states on a type III$_1$ factor

asked Jun 27, 2021 at 13:34

1 vote

1 answer

80 views

A subfactor of finite index

asked Mar 8 at 16:11

0 votes

2 answers

190 views

Decompose a Hilbert space into two invariant subspaces

asked May 13, 2022 at 7:34

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0 answers

100 views

Essential numerical range of an idempotent

asked May 16, 2022 at 15:45

0 votes

1 answer

250 views

Two isomorphic reduced group $C^*$-algebras

asked May 29, 2020 at 2:25

0 votes

0 answers

127 views

classification of simple nuclear $C^*$-algebras

asked Jun 2, 2020 at 14:39

-2 votes

1 answer

217 views

The norm of the difference of two normal states

asked Aug 10, 2021 at 13:25

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15 Questions

type II$_1$ subalgebra of type III$_1$ factor

Projections in a diffuse von Neumann algebra

The centralizer of a normal state on a type III$_1$ factor

Fixed point algebra of a non-amenable factor

Subalgebra of a nuclear $C^*$-algebra

Is the reduced group $C^*$-algebra quasidiagonal

Calculation of the norm of linear combinitation of two states on a $C^*$-algebra

Two invariants for type III factors

Normal states on a type III$_1$ factor

A subfactor of finite index

Decompose a Hilbert space into two invariant subspaces

Essential numerical range of an idempotent

Two isomorphic reduced group $C^*$-algebras

classification of simple nuclear $C^*$-algebras

The norm of the difference of two normal states