Question

Choosing a smooth diagonalizable approximation of a smooth map into $\text{Aut}(\mathbb R^{n}) = \textbf{GL}(\mathbb R^{n}) \subset M_{n}(\mathbb R)$

score 112 · Answer 1 · 2020-03-25 22:56:06

112

Views

Choosing a smooth diagonalizable approximation of a smooth map into $\text{Aut}(\mathbb R^{n}) = \textbf{GL}(\mathbb R^{n}) \subset M_{n}(\mathbb R)$

Published on 25 Mar 2020 - 22:56

score 25 · Answer 2 · 2020-03-26 15:39:24

25

Views

A question on linear dynamics

Published on 26 Mar 2020 - 15:39

score 45 · Answer 3 · 2020-03-27 00:54:24

45

Views

Is there any absorbing set of $\mathbb{R}^2$ with zero Lebesgue measure?

Published on 27 Mar 2020 - 0:54

score 100 · Answer 4 · 2020-03-28 13:43:03

Hahn Banach. separate $A:=\{f \in L^2(-1,1): f \mathrm{\ is\ continuous}, f(0)=0\}$, $B:=\{f \in L^2(-1,1): f \mathrm{\ is\ continuous}, f(0)=1\}$

score 28 · Answer 5 · 2020-03-29 18:06:54

28

Views

the Mackey topology on the dual space $X^*$.

Published on 29 Mar 2020 - 18:06

score 111 · Answer 6 · 2026-03-25 22:23:50

111

Views

Topological Vector Space is separable if its dual space $X^*$ is separable?

Published on 25 Mar 2026 - 22:23

score 54 · Answer 7 · 2020-03-31 14:51:04

54

Views

Are convex sets definable?

Published on 31 Mar 2020 - 14:51

score 76 · Answer 8 · 2020-03-31 19:47:03

76

Views

Continuity of determinant of vector bundle morphism

Published on 31 Mar 2020 - 19:47

score 64 · Answer 9 · 2026-03-27 00:04:57

Finding a topology for a vector space $X$, such that $X$ is a topologic vector space and the topologic and algebraic dual spaces are the same

score 86 · Answer 10 · 2026-03-27 00:09:47

86

Views

algebraic and topological dual (vector space)

Published on 27 Mar 2026 - 0:09

score 60 · Answer 11 · 2020-04-02 07:11:57

There is a sequence converging to $0$ in the vector space $X$ of all functions $f:[0,1]\rightarrow \mathbb{C}$ with topology of pointwise convergence

score 305 · Answer 12 · 2020-04-08 22:57:48

305

Views

Open mapping theorem proof from Rudin. Why is the limit going to $0$?

Published on 08 Apr 2020 - 22:57

score 29 · Answer 13 · 2020-04-09 02:18:13

29

Views

Does $A_{n+1} + A_{n+1} \subset A_n$ for $n = 0,1,2,\dots$ imply $A_1 + A_2 + \cdots \subset A_0$?

Published on 09 Apr 2020 - 2:18

score 204 · Answer 14 · 2020-04-09 13:40:25

204

Views

Why is a subrepresentation a closed invariant subspace?

Published on 09 Apr 2020 - 13:40

score 85 · Answer 15 · 2026-03-25 20:42:10

85

Views

Is there a complete non barrelled locally convex space?

Published on 25 Mar 2026 - 20:42

List Question

Choosing a smooth diagonalizable approximation of a smooth map into $\text{Aut}(\mathbb R^{n}) = \textbf{GL}(\mathbb R^{n}) \subset M_{n}(\mathbb R)$

A question on linear dynamics

Is there any absorbing set of $\mathbb{R}^2$ with zero Lebesgue measure?

Hahn Banach. separate $A:=\{f \in L^2(-1,1): f \mathrm{\ is\ continuous}, f(0)=0\}$, $B:=\{f \in L^2(-1,1): f \mathrm{\ is\ continuous}, f(0)=1\}$

the Mackey topology on the dual space $X^*$.

Topological Vector Space is separable if its dual space $X^*$ is separable?

Are convex sets definable?

Continuity of determinant of vector bundle morphism

Finding a topology for a vector space $X$, such that $X$ is a topologic vector space and the topologic and algebraic dual spaces are the same

algebraic and topological dual (vector space)

There is a sequence converging to $0$ in the vector space $X$ of all functions $f:[0,1]\rightarrow \mathbb{C}$ with topology of pointwise convergence

Open mapping theorem proof from Rudin. Why is the limit going to $0$?

Does $A_{n+1} + A_{n+1} \subset A_n$ for $n = 0,1,2,\dots$ imply $A_1 + A_2 + \cdots \subset A_0$?

Why is a subrepresentation a closed invariant subspace?

Is there a complete non barrelled locally convex space?

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