List questions from banach-spaces

48

Views

Determine $R(A)^{\perp},R(A^*)^\perp$ of an operator $A$ related to a discontinuous linear functional

Published on 28 Mar 2026 - 22:55

110

Views

Relatively compact for a sequence

Published on 11 Oct 2019 - 6:44

97

Views

Characterisations of Projection Operators in Banach Spaces

Published on 11 Oct 2019 - 14:19

258

Views

Sum of Banach spaces norm

Published on 11 Oct 2019 - 22:08

269

Views

Isomorphism between l1 (of sequences) and Banach Space with unconditional basis

Published on 25 Mar 2026 - 5:06

57

Views

Geometric intuition for a condition on a linear operator

Published on 13 Oct 2019 - 11:53

125

Views

Contradiction with Uniform Boundedness Principle using Hamel basis

Published on 25 Mar 2026 - 7:41

131

Views

Some hint to prove that $\ell^{1}$ with $\ell^{\infty}$ norm is Banach space?

Published on 15 Oct 2019 - 12:50

55

Views

Is it true that $U^{-1}\overline{A}U=\overline{U^{-1}AU}?$

Published on 25 Mar 2026 - 7:43

70

Views

Cauchy Local Existence and Uniqueness using Implicit Function Theorem for Banach Spaces

Published on 25 Mar 2026 - 16:48

43

Views

Weakly Continuous Bump Function

Published on 17 Oct 2019 - 16:50

49

Views

Supremum norm of a certain function in $C_{0}(\Omega)$

Published on 29 Mar 2026 - 5:35

160

Views

Prove of the Danes drop theorem in Banach Spaces

Published on 17 Oct 2019 - 18:20

51

Views

dimension of an infinite-dimensional Banach space is $\geq c $.

Published on 18 Oct 2019 - 2:14

127

Views

$Q:\mathbb{M}^{\perp}\rightarrow \mathbb{H}/\mathbb{M}$ is an isometric isomorphism

Published on 26 Mar 2026 - 17:30

List Question

Determine $R(A)^{\perp},R(A^*)^\perp$ of an operator $A$ related to a discontinuous linear functional

Relatively compact for a sequence

Characterisations of Projection Operators in Banach Spaces

Sum of Banach spaces norm

Isomorphism between l1 (of sequences) and Banach Space with unconditional basis

Geometric intuition for a condition on a linear operator

Contradiction with Uniform Boundedness Principle using Hamel basis

Some hint to prove that $\ell^{1}$ with $\ell^{\infty}$ norm is Banach space?

Is it true that $U^{-1}\overline{A}U=\overline{U^{-1}AU}?$

Cauchy Local Existence and Uniqueness using Implicit Function Theorem for Banach Spaces

Weakly Continuous Bump Function

Supremum norm of a certain function in $C_{0}(\Omega)$

Prove of the Danes drop theorem in Banach Spaces

dimension of an infinite-dimensional Banach space is $\geq c $.

$Q:\mathbb{M}^{\perp}\rightarrow \mathbb{H}/\mathbb{M}$ is an isometric isomorphism

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