Network profile

Alexander Osipov

Reputation

339

339
292
245

Apr
Jul
Oct
Jan

Top tag

gn.general-topology

Next privilege

500 Rep.

Access review queues

Badges

1

9

Newest

Nice Question

Next badge

0/1

Impact

0 posts edited

0 helpful flags

3 votes cast

8 Questions

Votes Activity Newest Views

10

votes

0

answers

451

views

Is there a model of set theory in which $\mathfrak p< \mathfrak b < \mathfrak q$?

set-theory gn.general-topology descriptive-set-theory infinite-combinatorics cardinal-characteristics

Jan 1 '20 at 11:06 Martin Sleziak 4,257

9

votes

2

answers

252

views

Is there a condensation from $\aleph_1^{\aleph_0}$ onto a metrizable compact space?

set-theory gn.general-topology cardinal-characteristics selection-principles

Jun 13 at 22:39 Will Brian 12.4k

7

votes

1

answer

188

views

Are σ-sets preserved by Borel isomorphisms?

set-theory gn.general-topology descriptive-set-theory selection-principles

Aug 7 '17 at 15:48 Taras Banakh 28.8k

2

votes

1

answer

95

views

Is every $b$-discrete space $X$ with countable injective weight basically disconnected?

gn.general-topology

Jun 5 '19 at 20:01 Community♦ 1

2

votes

0

answers

96

views

Homogeneity of the space of semicontinuous functions

fa.functional-analysis gn.general-topology

Mar 4 '18 at 11:08 Santi Spadaro 3,436

1

2

votes

1

answer

154

views

Definition of $S_1(A,B)$

set-theory gn.general-topology selection-principles

Jul 23 '17 at 0:47 Linus Rastegar 111

0

votes

1

answer

149

views

P-filter property?

set-theory gn.general-topology selection-principles

Aug 31 at 18:38 Andreas Blass 65.6k

0

votes

1

answer

156

views

Is there a Tychonoff space $X$ such that …?

set-theory gn.general-topology selection-principles

Nov 7 '17 at 22:36 Alexander Osipov 339

MathOverflow works best with JavaScript enabled