Skip to main content
MathOverflow
Philip Ehrlich's user avatar
Philip Ehrlich's user avatar
Philip Ehrlich's user avatar
Philip Ehrlich
  • Member for 12 years, 8 months
  • Last seen this week
Profile Activity
Stats
6,200
reputation
122k
reached
53
answers
6
questions
Communities
Badges
View all badges
1
gold badge
40
silver badges
33
bronze badges
Top tags
View all tags
261
Score
21
Posts
36
Posts %
222
Score
23
Posts
39
Posts %
198
Score
15
Posts
25
Posts %
128
Score
11
Posts
19
Posts %
127
Score
11
Posts
19
Posts %
101
Score
18
Posts
31
Posts %
Top posts
View all questions and answers
49
Swimming against the tide in the past century: remarkable achievements that arose in contrast to the general view of mathematicians
Apr 11, 2022
46
Who first characterized the real numbers as the unique complete ordered field?
Jun 13, 2020
36
How helpful is non-standard analysis?
Apr 7, 2013
31
Hahn's Embedding Theorem and the oldest open question in set theory
Apr 27, 2013
31
Are Conway's combinatorial games the "monster model" of any familiar theory?
Apr 29, 2020
28
Surreal numbers vs. non-standard analysis
Mar 19, 2012
27
Surreal exponentiation -- are the varying definitions equivalent? If not, is there agreement on which ones are better?
Feb 21, 2012
23
Set theory without the empty set
May 28, 2022
21
Who discovered the surreals?
Feb 9, 2019
21
What's wrong with the surreals?
Jul 30, 2018