User Dongyang Chen

3

10

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1

answer

349

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Subspaces of $l_{1}$ are not Lipschitz complemented in $l_{1}$

banach-spaces open-problems

Jun 3 '15 at 9:45 Community♦ 1

8

votes

2

answers

263

views

On statistical bases in Banach spaces

banach-spaces open-problems

May 12 at 6:54 Tomasz Kania 9,593

2

7

votes

1

answer

435

views

Banach-Stone Theorem in Lipschitz-free spaces

banach-spaces

Jul 7 at 0:39 Nik Weaver 32.6k

2

7

votes

1

answer

105

views

About $C(K)$-spaces containing no copy of $l_{1}$

banach-spaces

Jun 11 '16 at 7:47 Tomasz Kania 9,593

7

votes

2

answers

256

views

Weak compactness in the James space and its dual

fa.functional-analysis banach-spaces

May 7 '16 at 6:21 Ben W 1,481

6

votes

1

answer

156

views

$C[0,1]$ fails the property (K)

banach-spaces

Sep 21 at 14:24 Dongyang Chen 2,677

6

votes

1

answer

195

views

Is $T^{**}$ unconditionally $p$-summing whenever $T$ is unconditionally $p$-summing?

fa.functional-analysis banach-spaces

Sep 22 '15 at 18:03 Bill Johnson 28.1k

2

5

votes

2

answers

262

views

A quantity measuring the reflexivity of Banach spaces

banach-spaces

Dec 27 at 15:04 Bill Johnson 28.1k

5

votes

1

answer

219

views

A question on Grothendieck space

fa.functional-analysis banach-spaces topological-vector-spaces

Aug 14 at 17:04 Dirk Werner 1,194

5

votes

2

answers

220

views

The Calkin representation for Banach spaces

fa.functional-analysis oa.operator-algebras banach-spaces

Jun 15 at 2:53 Bill Johnson 28.1k

1

5

votes

0

answers

125

views

Banach space properties defined by compact operators, strictly singular operators and strictly cosingular operators

fa.functional-analysis banach-spaces operator-theory

Mar 19 '18 at 12:25 Ali Taghavi 679

5

votes

0

answers

97

views

Products of strictly singular operators on $L_{p}[0,1]$ or on $C[0,1]$

banach-spaces

Jun 19 '16 at 22:57 Dongyang Chen 2,677

5

votes

1

answer

111

views

A question on characterizing a Banach space containing no copy of $l_{1}$

banach-spaces

Sep 28 '15 at 22:27 Philip Brooker 2,068

5

votes

1

answer

98

views

A question on compact operators with domain $l_{p}$

banach-spaces

Sep 27 '15 at 15:14 Bill Johnson 28.1k

2

4

votes

1

answer

60

views

Two measures of noncompactness of operators

banach-spaces operator-theory

Apr 12 at 14:54 M.González 3,400

1

4

votes

1

answer

79

views

A subspace generated by closed $G_{\delta}$ sets in $K$ between $C(K)$ and $C(K)^{**}$

banach-spaces

Feb 21 '20 at 21:35 Robert Furber 2,856

4

votes

0

answers

74

views

Almost Dunford-Pettis operators

fa.functional-analysis banach-spaces operator-theory

Apr 10 '19 at 5:02 LeechLattice 5,510

4

votes

1

answer

145

views

A question on completely continuous operators

banach-spaces

Apr 9 '18 at 16:51 Mateusz Wasilewski 4,140

4

votes

0

answers

129

views

On the weakly sequential completeness of the dual of the James space $J$

fa.functional-analysis banach-spaces

Apr 19 '16 at 7:26 Martin Sleziak 4,257

2

4

votes

1

answer

1k

views

The dual space of $C[0,1]$

banach-spaces

Apr 9 '16 at 19:34 Community♦ 1

4

votes

1

answer

149

views

A quantity measuring weak non-compactness

banach-spaces

Jan 4 '16 at 20:19 Bill Johnson 28.1k

4

votes

1

answer

274

views

A question on $p$-approximation property

fa.functional-analysis banach-spaces

Dec 18 '15 at 13:13 Ricardo Correa da Silva 56

4

votes

0

answers

36

views

How to characterize an operator $T$ that factors through a special space?

banach-spaces

Sep 30 '15 at 22:01 Dongyang Chen 2,677

1

4

votes

1

answer

124

views

How to characterize a Banach space $X$ such that any operator from $X$ to $l_{p}$ is compact?

banach-spaces

Sep 23 '15 at 7:50 Community♦ 1

4

votes

0

answers

118

views

A question on metric characterization of approximation property

banach-spaces

Feb 10 '15 at 11:42 Dongyang Chen 2,677

4

votes

0

answers

162

views

Is the space $U_{0}$ constructed by J.Lindenstrauss Lipschitz complemented in $l^{1}$?

banach-spaces

Oct 21 '13 at 2:19 Dongyang Chen 2,677

3

votes

1

answer

60

views

Elementary relationships between finite-dimensional subspaces and finite-codimensional subspaces

banach-spaces

May 18 at 9:01 Dongyang Chen 2,677

3

votes

1

answer

105

views

$p$-nuclear operators from $C(K)$ to $L_{p}$

banach-spaces

Jul 9 '19 at 1:37 Dongyang Chen 2,677

3

votes

0

answers

61

views

Positive $p$-summing operators and disjoint $p$-summing operators

banach-spaces

Apr 3 '19 at 0:25 Dongyang Chen 2,677

3

votes

0

answers

51

views

The dual relationships between strictly singular operators and strictly cosingular operators

banach-spaces

Jul 12 '18 at 3:42 Dongyang Chen 2,677

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107 Questions

Subspaces of $l_{1}$ are not Lipschitz complemented in $l_{1}$

On statistical bases in Banach spaces

Banach-Stone Theorem in Lipschitz-free spaces

About $C(K)$-spaces containing no copy of $l_{1}$

Weak compactness in the James space and its dual

$C[0,1]$ fails the property (K)

Is $T^{**}$ unconditionally $p$-summing whenever $T$ is unconditionally $p$-summing?

A quantity measuring the reflexivity of Banach spaces

A question on Grothendieck space

The Calkin representation for Banach spaces

Banach space properties defined by compact operators, strictly singular operators and strictly cosingular operators

Products of strictly singular operators on $L_{p}[0,1]$ or on $C[0,1]$

A question on characterizing a Banach space containing no copy of $l_{1}$

A question on compact operators with domain $l_{p}$

Two measures of noncompactness of operators

A subspace generated by closed $G_{\delta}$ sets in $K$ between $C(K)$ and $C(K)^{**}$

Almost Dunford-Pettis operators

A question on completely continuous operators

On the weakly sequential completeness of the dual of the James space $J$

The dual space of $C[0,1]$

A quantity measuring weak non-compactness

A question on $p$-approximation property

How to characterize an operator $T$ that factors through a special space?

How to characterize a Banach space $X$ such that any operator from $X$ to $l_{p}$ is compact?

A question on metric characterization of approximation property

Is the space $U_{0}$ constructed by J.Lindenstrauss Lipschitz complemented in $l^{1}$?

Elementary relationships between finite-dimensional subspaces and finite-codimensional subspaces

$p$-nuclear operators from $C(K)$ to $L_{p}$

Positive $p$-summing operators and disjoint $p$-summing operators

The dual relationships between strictly singular operators and strictly cosingular operators