current community
chat
MathOverflow
MathOverflow Meta
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Stack Exchange
Inbox
Reputation and Badges
sign up
log in
tour
help
Tour
Start here for a quick overview of the site
Help Center
Detailed answers to any questions you might have
Meta
Discuss the workings and policies of this site
MathOverflow
Questions
Tags
Users
Badges
Unanswered
Ask Question
Profile
Activity
Joel David Hamkins
Meta User
Network Profile
Reputation
116,537
116.5k
81.2k
45.8k
2012
2013
2014
2015
Next tag badge:
gn.general-topology
524/400 score
76/80 answers
Badges
15
326
566
Newest
Nice Answer
Next badge
0/1
Excavator
Impact
~
1.8m
people reached
37 posts edited
44 helpful flags
7,731 votes cast
summary
answers
questions
tags
badges
favorites
bounties
reputation
all actions
84
Badges
name
class
recent
Nice Answer
×
418
Guru
×
8
Epic
computational-complexity
Favorite Question
×
3
Informed
Convention
math-philosophy
Popular Question
×
26
computability-theory
forcing
computer-science
Enlightened
×
162
Yearling
×
5
Constituent
lo.logic
Announcer
×
14
Revival
×
12
Caucus
set-theory
Good Question
×
21
Explainer
Benefactor
lo.logic
Good Answer
×
75
Inquisitive
Promoter
set-theory
Nice Question
×
50
Curious
large-cardinals
nt.number-theory
Necromancer
×
22
Booster
Custodian
×
2
gr.group-theory
Great Answer
×
4
Populist
×
4
Quorum
ct.category-theory
Notable Question
×
13
large-cardinals
soft-question
lo.logic
foundations
descriptive-set-theory
Tag Editor
model-theory
Publicist
model-theory
Generalist
co.combinatorics
MathOverflow works best with JavaScript enabled