User Qingping Zeng - MathOverflow

Qingping Zeng

Member for 12 years, 7 months
Last seen more than a month ago

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

Network profile

7 Questions

Score Activity Newest Views

13 votes

2 answers

887 views

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

asked Jun 16, 2012 at 9:08

9 votes

1 answer

253 views

Fredholm theory on Fr\'echet spaces

asked Nov 19, 2012 at 2:47

6 votes

0 answers

257 views

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

asked Jun 17, 2012 at 3:04

2 votes

1 answer

886 views

Hereditarily indecomposable Banach spaces and Separable Quotient problem

asked Aug 31, 2011 at 15:36

2 votes

0 answers

332 views

On isolated points of the approximate point spectrum of a bounded operator

asked Apr 29, 2015 at 15:30

1 vote

1 answer

105 views

What is the socle of the $2\times 2$ matrix algebra over a Banach algebra?

asked Sep 29, 2023 at 13:53

0 votes

1 answer

588 views

Weak star separable and separable quotient problem

asked Oct 25, 2011 at 13:02