User BLBA

2

6

votes

1

answer

451

views

Extension of Baire's Theorem

set-theory gn.general-topology

Nov 18 '19 at 7:24 Taras Banakh 29.7k

4

6

votes

1

answer

202

views

Reference: Hajlasz-Sobolev Spaces with Values in a Metric Space

fa.functional-analysis mg.metric-geometry sobolev-spaces metric-spaces

Jul 22 '19 at 13:08 Piotr Hajlasz 19.5k

1

5

votes

1

answer

155

views

When is the Radon-Nikodym derivative locally essentially bounded

real-analysis measure-theory integration

Apr 30 at 19:34 Iosif Pinelis 53.4k

5

votes

1

answer

329

views

Non-density of continuous functions to interior in set of all continuous functions

dg.differential-geometry gn.general-topology gt.geometric-topology smooth-manifolds manifolds

Apr 5 '20 at 10:40 Gael Meigniez 1,655

4

votes

1

answer

143

views

Bi-Hölder embeddings of finite metric spaces

reference-request mg.metric-geometry computational-complexity metric-embeddings algorithmic-randomness

Feb 18 at 8:49 Vladimir Zolotov 473

4

votes

1

answer

129

views

Quotient distance on $\mathbb{C}P^n$ is equivalent to distance induced by the Fubini-Study metric

mg.metric-geometry riemannian-geometry mp.mathematical-physics projective-geometry

May 22 at 12:17 erz 4,334

3

4

votes

0

answers

77

views

Fractional Hajłasz-Besov-like similar to the Korevaar-Schoen-Sobolev spaces?

fa.functional-analysis sobolev-spaces geometric-measure-theory metric-spaces besov-spaces

Jun 20 '19 at 16:48 user64494 3,076

3

votes

1

answer

212

views

Exactness of injective tensor products

fa.functional-analysis ct.category-theory banach-spaces tensor-products tensor

Jul 1 at 10:31 Jochen Wengenroth 11.7k

1

3

votes

1

answer

128

views

Existence of topologically transitive map on Euclidean space

fa.functional-analysis ds.dynamical-systems

Jun 14 at 4:42 erz 4,334

1

3

votes

0

answers

88

views

How much more cyclic vectors are there than hypercylic vectors?

fa.functional-analysis ds.dynamical-systems operator-theory discrete-dynamical-systems

Jun 1 at 21:55 LSpice 5,221

3

votes

2

answers

191

views

Surjection in compact-open topology [closed]

fa.functional-analysis gn.general-topology

May 22 at 15:59 Jochen Wengenroth 11.7k

3

votes

2

answers

246

views

Disjoint union of measures

ct.category-theory gn.general-topology measure-theory borel-sets

May 13 at 6:40 YCor 42.6k

5

3

votes

1

answer

133

views

Density of $C(X,\operatorname{co}\{\delta_y\}_{y \in Y})$ in $C(X,\mathcal{P}(Y))$

fa.functional-analysis pr.probability gn.general-topology measure-theory

Apr 30 at 3:48 Iosif Pinelis 53.4k

3

votes

0

answers

52

views

Criteria for density of subgroup of diffeomorphism group

dg.differential-geometry fa.functional-analysis lie-groups smooth-manifolds topological-groups

Apr 19 at 17:33 YCor 42.6k

3

votes

1

answer

139

views

Reference request: completion of Banach norm on sum

reference-request fa.functional-analysis banach-spaces

Mar 17 '20 at 18:21 Community♦ 1

3

votes

0

answers

316

views

Homeomorphism between $L^p$-spaces on metric spaces and $L^p$-spaces on Euclidean space

fa.functional-analysis gn.general-topology mg.metric-geometry integration metric-spaces

Mar 7 '20 at 18:16 BLBA 832

3

votes

1

answer

160

views

Relaxed/Truncated Version of Wiener's Tauberian Theorem

fa.functional-analysis harmonic-analysis operator-theory banach-algebras tauberian-theorems

Dec 2 '19 at 8:28 RaphaelB4 4,056

2

3

votes

1

answer

149

views

Reversal of open cover with topologically transitive dynamical system

gn.general-topology ds.dynamical-systems discrete-dynamical-systems

Oct 31 '19 at 8:09 Ilkka Törmä 568

1

2

votes

1

answer

81

views

Density of functions into the circle glueing

fa.functional-analysis gn.general-topology gt.geometric-topology differential-topology

Nov 12 at 15:56 Jochen Wengenroth 11.7k

1

2

votes

0

answers

142

views

Continuous injective functions with dense image

fa.functional-analysis at.algebraic-topology gn.general-topology gt.geometric-topology

Nov 6 at 16:39 BLBA 832

2

votes

1

answer

49

views

Lower semi-continuity of length-dependent functional

real-analysis sequences-and-series oc.optimization-and-control nonlinear-optimization semicontinuity

Sep 5 at 14:45 Dieter Kadelka 1,373

2

votes

0

answers

33

views

Optimal Directed Graph with Maximum Number of Interactions

co.combinatorics graph-theory combinatorial-optimization

Aug 10 at 17:47 BLBA 832

2

votes

0

answers

112

views

Stone–Weierstrass theorem for stronger topologies

reference-request fa.functional-analysis gn.general-topology approximation-theory

Apr 15 at 13:37 BLBA 832

2

votes

0

answers

82

views

Random sparse and invertible matrices

pr.probability algorithms random-matrices matrix-theory sparse-matrices

Apr 1 '20 at 9:31 BLBA 832

1

2

votes

1

answer

260

views

Density of continuous functions to interior in set of all continuous functions

dg.differential-geometry fa.functional-analysis gn.general-topology differential-topology manifolds

Mar 26 '20 at 13:38 AIM_BLB 2,812

1

2

votes

2

answers

126

views

Anti-concentration inequalities: lower bound on realized second moment

reference-request pr.probability large-deviations

Feb 20 '20 at 13:21 AIM_BLB 2,812

1

2

votes

0

answers

136

views

Run-away Volterra operator

fa.functional-analysis ds.dynamical-systems operator-theory integral-operators

Sep 17 '19 at 12:54 Fabian Wirth 1,014

1

2

votes

2

answers

243

views

Existence of a Hölder-free space

mg.metric-geometry banach-spaces metric-spaces

Sep 5 '19 at 13:58 Nik Weaver 33.1k

1

vote

0

answers

48

views

Approximation Rates for Multivariate Taylor Series

polynomials approximation-theory constructive-mathematics taylor-series growth-rate

Nov 29 at 13:09 BLBA 832

1

vote

1

answer

109

views

Creating an inverse system which “stratifies density”

fa.functional-analysis at.algebraic-topology gn.general-topology limits-and-colimits

Nov 22 at 10:06 Community♦ 1

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72 Questions

Extension of Baire's Theorem

Reference: Hajlasz-Sobolev Spaces with Values in a Metric Space

When is the Radon-Nikodym derivative locally essentially bounded

Non-density of continuous functions to interior in set of all continuous functions

Bi-Hölder embeddings of finite metric spaces

Quotient distance on $\mathbb{C}P^n$ is equivalent to distance induced by the Fubini-Study metric

Fractional Hajłasz-Besov-like similar to the Korevaar-Schoen-Sobolev spaces?

Exactness of injective tensor products

Existence of topologically transitive map on Euclidean space

How much more cyclic vectors are there than hypercylic vectors?

Surjection in compact-open topology [closed]

Disjoint union of measures

Density of $C(X,\operatorname{co}\{\delta_y\}_{y \in Y})$ in $C(X,\mathcal{P}(Y))$

Criteria for density of subgroup of diffeomorphism group

Reference request: completion of Banach norm on sum

Homeomorphism between $L^p$-spaces on metric spaces and $L^p$-spaces on Euclidean space

Relaxed/Truncated Version of Wiener's Tauberian Theorem

Reversal of open cover with topologically transitive dynamical system

Density of functions into the circle glueing

Continuous injective functions with dense image

Lower semi-continuity of length-dependent functional

Optimal Directed Graph with Maximum Number of Interactions

Stone–Weierstrass theorem for stronger topologies

Random sparse and invertible matrices

Density of continuous functions to interior in set of all continuous functions

Anti-concentration inequalities: lower bound on realized second moment

Run-away Volterra operator

Existence of a Hölder-free space

Approximation Rates for Multivariate Taylor Series

Creating an inverse system which “stratifies density”