Question

Equivalent definition of Cauchy Sequences for normed spaces

score 78 · Answer 1 · 2026-04-14 04:25:22

78

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Equivalent definition of Cauchy Sequences for normed spaces

Published on 14 Apr 2026 - 4:25

score 361 · Answer 2 · 2026-04-13 14:32:34

361

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Equivalence between norms induced by a scalar product

Published on 13 Apr 2026 - 14:32

score 751 · Answer 3 · 2026-04-10 21:23:43

751

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Proof of the Banach-Alaoglu theorem

Published on 10 Apr 2026 - 21:23

score 240 · Answer 4 · 2026-04-13 16:59:38

240

Views

Find the norm of linear map, polynomials, derivative

Published on 13 Apr 2026 - 16:59

score 42 · Answer 5 · 2026-04-14 03:20:16

42

Views

How do monomials in the elements of the Lie algebra of a group $G$ induce an operator on a unitary representation of $G$?

Published on 14 Apr 2026 - 3:20

score 124 · Answer 6 · 2026-04-11 18:49:46

124

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Does there exist a unique "max" approximator for matrices?

Published on 11 Apr 2026 - 18:49

score 71 · Answer 7 · 2026-04-16 02:49:17

71

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For $f\in L^2(\mathbb R)$, is it true that $\lim_{n\to\infty} \int_{n}^{n+1}f(x)dx=0$?

Published on 16 Apr 2026 - 2:49

score 111 · Answer 8 · 2026-04-14 23:28:05

111

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For bounded linear operators with these characteristics, is the operator norm of their difference greater than 1?

Published on 14 Apr 2026 - 23:28

score 3.1k · Answer 9 · 2026-04-13 23:49:52

3.1k

Views

Showing a set with a supremum norm is a Banach space

Published on 13 Apr 2026 - 23:49

score 125 · Answer 10 · 2026-04-16 08:50:35

125

Views

Proving that $\max_{\|M\|_{rs}\leq 1,\ \|b\|_s\leq 1} \|A^{-1}(Mc-b) \|_r \geq \|A^{-1}\|_{sr}(\|c\|_r+1) $

Published on 16 Apr 2026 - 8:50

score 28 · Answer 11 · 2026-04-16 11:44:27

28

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if $\|A - B\| > \|A - C\|$, is it then true that $\|A - \frac12(B+C)\| > \|A - C\|$

Published on 16 Apr 2026 - 11:44

score 692 · Answer 12 · 2026-04-11 11:59:36

692

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Expansion factor of a ring R

Published on 11 Apr 2026 - 11:59

score 23.1k · Answer 13 · 2026-04-10 05:04:39

23.1k

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Relation between Frobenius norm and trace

Published on 10 Apr 2026 - 5:04

score 117 · Answer 14 · 2026-04-10 20:12:39

117

Views

Question about Inner product and Norm

Published on 10 Apr 2026 - 20:12

score 64 · Answer 15 · 2026-04-13 01:53:37

64

Views

A polygonal path on a normed linear space

Published on 13 Apr 2026 - 1:53

List Question

Equivalent definition of Cauchy Sequences for normed spaces

Equivalence between norms induced by a scalar product

Proof of the Banach-Alaoglu theorem

Find the norm of linear map, polynomials, derivative

How do monomials in the elements of the Lie algebra of a group $G$ induce an operator on a unitary representation of $G$?

Does there exist a unique "max" approximator for matrices?

For $f\in L^2(\mathbb R)$, is it true that $\lim_{n\to\infty} \int_{n}^{n+1}f(x)dx=0$?

For bounded linear operators with these characteristics, is the operator norm of their difference greater than 1?

Showing a set with a supremum norm is a Banach space

Proving that $\max_{\|M\|_{rs}\leq 1,\ \|b\|_s\leq 1} \|A^{-1}(Mc-b) \|_r \geq \|A^{-1}\|_{sr}(\|c\|_r+1) $

if $\|A - B\| > \|A - C\|$, is it then true that $\|A - \frac12(B+C)\| > \|A - C\|$

Expansion factor of a ring R

Relation between Frobenius norm and trace

Question about Inner product and Norm

A polygonal path on a normed linear space

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