List questions from functional-analysis

Published on 30 Mar 2026 - 7:43

958

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Metric on a linear space is induced by norm if and only if the metric is homogeneous and translation invariant

Published on 30 Mar 2026 - 16:42

83

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Linear Operator norm for Banach Steinhaus proof

Published on 15 Jan 2018 - 21:30

184

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Show that $ Tf $ is continuous and measurable on a Hilbert space $H=L_2((0,\infty))$

Published on 20 Mar 2026 - 3:15

2.6k

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Weak formulation of Robin boundary condition problem

Published on 22 Mar 2026 - 9:28

115

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Kernel functions for vectors in discrete spaces

Published on 27 Mar 2026 - 13:53

70

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What's are the derivatives of $f^{-1}g(x)$

Published on 12 Mar 2026 - 1:06

94

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The space $D(A^\infty)$

Published on 25 Mar 2026 - 11:39

73

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Confusion about Mean Value Theorem stated in a textbook

Published on 23 Mar 2026 - 0:45

179

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Using closed graph theorem to show that a map is continuous.

Published on 16 Jan 2018 - 7:41

83

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Show that $Tf$ is well-defined and is continious

Published on 26 Mar 2026 - 3:03

48

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Convergence of a seqence under the integral sign

Published on 27 Mar 2026 - 23:54

1.2k

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How to conclude that $\ell_\infty$ is not separable from this exercise?

Published on 22 Mar 2026 - 6:06

139

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Convergence of linear regression coefficients

Published on 24 Mar 2026 - 5:42

365

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What is the second derivative of $f^{-1}(g(x))$?

Published on 12 Mar 2026 - 0:47

List Question

Proving the sharper form of the Lebesgue Differentiation Theorem

Metric on a linear space is induced by norm if and only if the metric is homogeneous and translation invariant

Linear Operator norm for Banach Steinhaus proof

Show that $ Tf $ is continuous and measurable on a Hilbert space $H=L_2((0,\infty))$

Weak formulation of Robin boundary condition problem

Kernel functions for vectors in discrete spaces

What's are the derivatives of $f^{-1}g(x)$

The space $D(A^\infty)$

Confusion about Mean Value Theorem stated in a textbook

Using closed graph theorem to show that a map is continuous.

Show that $Tf$ is well-defined and is continious

Convergence of a seqence under the integral sign

How to conclude that $\ell_\infty$ is not separable from this exercise?

Convergence of linear regression coefficients

What is the second derivative of $f^{-1}(g(x))$?

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