User Dongyang Chen

10 votes

1 answer

398 views

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

asked Jul 6, 2014 at 16:41

10 votes

1 answer

497 views

A quantity measuring the separability of Banach spaces

asked Feb 24, 2021 at 8:48

9 votes

2 answers

401 views

On statistical bases in Banach spaces

asked Oct 31, 2017 at 12:39

8 votes

2 answers

436 views

Banach spaces whose second conjugates are separable

asked Sep 18, 2021 at 7:42

7 votes

1 answer

491 views

Banach-Stone Theorem in Lipschitz-free spaces

asked May 1, 2015 at 2:49

7 votes

3 answers

429 views

Weak compactness in the James space and its dual

asked May 5, 2016 at 3:03

7 votes

1 answer

121 views

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

asked Jun 10, 2016 at 23:02

6 votes

1 answer

212 views

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

asked Sep 20, 2015 at 0:23

6 votes

2 answers

276 views

The Calkin representation for Banach spaces

asked Jun 13, 2020 at 2:50

6 votes

2 answers

491 views

A question on Grothendieck space

asked Aug 14, 2020 at 2:47

6 votes

1 answer

205 views

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

asked Sep 20, 2020 at 1:36

5 votes

2 answers

295 views

A quantity measuring the reflexivity of Banach spaces

asked Dec 16, 2020 at 13:56

5 votes

0 answers

133 views

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

asked Mar 19, 2018 at 8:29

5 votes

1 answer

115 views

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

asked Sep 27, 2015 at 14:36

5 votes

1 answer

127 views

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

asked Sep 28, 2015 at 21:47

5 votes

0 answers

100 views

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

asked Jun 19, 2016 at 14:49

4 votes

1 answer

2k views

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

asked Apr 8, 2016 at 23:29

4 votes

0 answers

197 views

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

asked Apr 18, 2016 at 23:23

4 votes

1 answer

139 views

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

asked Sep 22, 2015 at 23:59

4 votes

1 answer

293 views

A question on $p$-approximation property

asked Aug 27, 2014 at 9:10

4 votes

0 answers

166 views

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

asked Oct 21, 2013 at 2:19

4 votes

0 answers

39 views

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

asked Sep 30, 2015 at 22:01

4 votes

0 answers

123 views

A question on metric characterization of approximation property

asked Feb 10, 2015 at 11:42

4 votes

1 answer

153 views

A quantity measuring weak non-compactness

asked Jan 3, 2016 at 23:05

4 votes

1 answer

246 views

A question on completely continuous operators

asked Apr 9, 2018 at 9:12

4 votes

0 answers

83 views

Almost Dunford-Pettis operators

asked Apr 10, 2019 at 0:28

4 votes

1 answer

71 views

Two measures of noncompactness of operators

asked Apr 12, 2020 at 13:58

4 votes

1 answer

85 views

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

asked Feb 21, 2020 at 4:04

4 votes

1 answer

204 views

$c_{0}$ has no boundedly complete basis

asked Apr 12, 2022 at 8:46

4 votes

1 answer

228 views

Boundedly complete bases

asked May 28, 2022 at 9:08

Stack Exchange Network

134 Questions

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

A quantity measuring the separability of Banach spaces

On statistical bases in Banach spaces

Banach spaces whose second conjugates are separable

Banach-Stone Theorem in Lipschitz-free spaces

Weak compactness in the James space and its dual

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

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

The Calkin representation for Banach spaces

A question on Grothendieck space

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

A quantity measuring the reflexivity of Banach spaces

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

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

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

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

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

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

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

A question on $p$-approximation property

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

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

A question on metric characterization of approximation property

A quantity measuring weak non-compactness

A question on completely continuous operators

Almost Dunford-Pettis operators

Two measures of noncompactness of operators

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

$c_{0}$ has no boundedly complete basis

Boundedly complete bases