Question

On Schauder basic systems in universal enveloped algebra of system of countable family of bounded selfadjoint operators

score 71 · Answer 1 · 2026-03-25 16:03:48

71

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On Schauder basic systems in universal enveloped algebra of system of countable family of bounded selfadjoint operators

Published on 25 Mar 2026 - 16:03

score 185 · Answer 2 · 2026-04-10 22:12:01

185

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Hahn-Banach: Operators

Published on 10 Apr 2026 - 22:12

score 258 · Answer 3 · 2026-04-11 23:30:37

258

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Closable Operators: Nonexample

Published on 11 Apr 2026 - 23:30

score 144 · Answer 4 · 2026-04-14 08:49:11

144

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If $\varphi \in E'$ and $A$ is convex and open then $\varphi (A)$ is an open interval

Published on 14 Apr 2026 - 8:49

score 600 · Answer 5 · 2026-04-11 10:52:59

600

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Is there a Banach space which is not isometrically isomorphic to $l^p$?

Published on 11 Apr 2026 - 10:52

score 105 · Answer 6 · 2026-04-11 14:33:22

105

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Does the norm of an operator on a $w^{*}$ dense subspace determine its norm?

Published on 11 Apr 2026 - 14:33

score 119 · Answer 7 · 2026-03-26 02:47:39

119

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Let $X=\left\{ f:[0,1]\to\mathbb R \;\big|\; \lVert f\rVert_X<\infty,\ f(0)=0\right\}$. Show $(X,\lVert\cdot\rVert_X)$ is complete.

Published on 26 Mar 2026 - 2:47

score 110 · Answer 8 · 2026-04-14 02:11:11

110

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Peano's theorem , initial value problem, Banach Spaces

Published on 14 Apr 2026 - 2:11

score 420 · Answer 9 · 2026-04-11 02:49:27

420

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Applying a functional over an infinite sum

Published on 11 Apr 2026 - 2:49

score 1.1k · Answer 10 · 2026-03-30 13:53:24

1.1k

Views

Bijectivity and Lipschitz continuity of a function on a Banach space

Published on 30 Mar 2026 - 13:53

score 94 · Answer 11 · 2026-04-15 02:59:32

94

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Vectors in Normed Space Must Have Finite Length?

Published on 15 Apr 2026 - 2:59

score 99 · Answer 12 · 2026-03-26 04:52:26

99

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A problem of nets in topology

Published on 26 Mar 2026 - 4:52

score 457 · Answer 13 · 2026-04-11 16:48:15

457

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The set of w-continuous operators is closed for the weak topology?

Published on 11 Apr 2026 - 16:48

score 40 · Answer 14 · 2026-04-17 04:36:00

40

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Every Cauchy sequence in $\{f\in (C([0,1]),\|\cdot\|_1)\,|\,\exists a,b\in\mathbb R:f(x)=ax+b\}$ converges

Published on 17 Apr 2026 - 4:36

score 757 · Answer 15 · 2026-04-14 00:00:36

757

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spectrum of an operator restricted to an invariant subspace

Published on 14 Apr 2026 - 0:00

List Question

On Schauder basic systems in universal enveloped algebra of system of countable family of bounded selfadjoint operators

Hahn-Banach: Operators

Closable Operators: Nonexample

If $\varphi \in E'$ and $A$ is convex and open then $\varphi (A)$ is an open interval

Is there a Banach space which is not isometrically isomorphic to $l^p$?

Does the norm of an operator on a $w^{*}$ dense subspace determine its norm?

Let $X=\left\{ f:[0,1]\to\mathbb R \;\big|\; \lVert f\rVert_X<\infty,\ f(0)=0\right\}$. Show $(X,\lVert\cdot\rVert_X)$ is complete.

Peano's theorem , initial value problem, Banach Spaces

Applying a functional over an infinite sum

Bijectivity and Lipschitz continuity of a function on a Banach space

Vectors in Normed Space Must Have Finite Length?

A problem of nets in topology

The set of w-continuous operators is closed for the weak topology?

Every Cauchy sequence in $\{f\in (C([0,1]),\|\cdot\|_1)\,|\,\exists a,b\in\mathbb R:f(x)=ax+b\}$ converges

spectrum of an operator restricted to an invariant subspace

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