Qingping Zeng

Member for 13 years, 3 months
Last seen more than a month ago

adsabs.harvard.edu/cgi-bin/…
Fuzhou, China

Network profile

Summary

Reputation

515

515
413
311

2021
2022
2023
2024

Top tag

fa.functional-analysis

Next privilege

1,000 Rep.

See votes

Badges

2

8

Newest

Yearling

Next badge

0/1

Custodian

Impact

~4k

people reached

0

posts edited

0

helpful flags

7

votes cast

Questions

View all 8 questions

13

Does $X$ embed in $Y$, and $Y$ embed in $X$, always imply that $X$ isomorphic onto $Y$?

Jun 16, 2012

9

Fredholm theory on Fr\'echet spaces

Nov 19, 2012

7

Does a Banach algebra version of "the sum of a closed subspace and a finite dimensional subspace is always closed" exist?

Jul 17

6

What is the intersection of the closures of left invertible operators and right invertible operators?

Jun 17, 2012

2

Hereditarily indecomposable Banach spaces and Separable Quotient problem

Aug 31, 2011

Answers

0

A separable Banach space and a non-separable Banach space having the same dual space?

Oct 25, 2011

Tags

fa.functional-analysis

0

Score

8

posts

operator-theory

0

Score

4

posts

banach-spaces

0

Score

3

posts

banach-algebras

0

Score

2

posts

sp.spectral-theory

0

Score

1

post

Reputation

This user has no recent positive reputation changes.

Badges

View all badges

This user doesn’t have any gold badges yet.

2

silver badges

Yearling

× 2

Sep 29, 2023

8

bronze badges

Tumbleweed

May 6, 2015
Curious

Apr 30, 2016
Scholar

Jun 17, 2012

Accounts

515
2
8

Meta Stack Exchange

101
1

Active bounties (0)

This user has no active bounties

Votes cast

7

upvotes

3

question votes

4

answer votes