List questions from operator-algebras

Published on 11 Oct 2014 - 0:42

267

Views

The proof of "Every quasidiagonal C*-algebra is stably finite"

Published on 29 Mar 2026 - 15:54

161

Views

A question about a conditional expectation in C*-algebra

Published on 29 Mar 2026 - 17:33

97

Views

A question about orthogonal projection

Published on 29 Mar 2026 - 17:25

1.2k

Views

Spectrum bilateral shift

Published on 13 Oct 2014 - 15:42

88

Views

Some doubts concerning spectral theory.

Published on 27 Mar 2026 - 9:58

131

Views

Spectral measure and commutativity.

Published on 28 Mar 2026 - 6:40

118

Views

An exercise (about positive elements) in C*-algebra

Published on 29 Mar 2026 - 17:33

196

Views

Smooth Bump Functions are Square Integrable

Published on 17 Oct 2014 - 0:09

191

Views

The spectrum of $L:=-\Delta+V(x)$ on complex $L^2(\mathbb{R}^N)$ and real $L^2(\mathbb{R}^N)$

Published on 17 Oct 2014 - 7:15

162

Views

Getting U.C.P map on group operator algebras using Fell's absorbtion principle.

Published on 17 Oct 2014 - 23:02

143

Views

a question about contractions on Hilbert spaces

Published on 20 Oct 2014 - 7:23

268

Views

Infinite projections in the Cuntz algebra

Published on 21 Oct 2014 - 1:42

414

Views

Isomorphism between compact operators and compact operators tensor matrices ($\mathbb{K}\otimes M_n(\mathbb{C})\cong \mathbb{K}$)

Published on 26 Mar 2026 - 14:19

115

Views

Is there a cyclic vector for $-\frac{d^{2}}{dx^{2}}$ on $L^{2}[0,2\pi]$ with periodic conditions?

Published on 28 Mar 2026 - 8:36

List Question

If $P$ is a projection operator, is $1-P$ also a projection operator?

The proof of "Every quasidiagonal C*-algebra is stably finite"

A question about a conditional expectation in C*-algebra

A question about orthogonal projection

Spectrum bilateral shift

Some doubts concerning spectral theory.

Spectral measure and commutativity.

An exercise (about positive elements) in C*-algebra

Smooth Bump Functions are Square Integrable

The spectrum of $L:=-\Delta+V(x)$ on complex $L^2(\mathbb{R}^N)$ and real $L^2(\mathbb{R}^N)$

Getting U.C.P map on group operator algebras using Fell's absorbtion principle.

a question about contractions on Hilbert spaces

Infinite projections in the Cuntz algebra

Isomorphism between compact operators and compact operators tensor matrices ($\mathbb{K}\otimes M_n(\mathbb{C})\cong \mathbb{K}$)

Is there a cyclic vector for $-\frac{d^{2}}{dx^{2}}$ on $L^{2}[0,2\pi]$ with periodic conditions?

Trending Questions

Popular # Hahtags

Popular Questions