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no upstairs's user avatar
no upstairs's user avatar
no upstairs
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Phi beta kappa $'89 $ UC Berkeley

It's alright to work at Subway. -Yitang Zhang

As to my moniker, I toyed with "camper van beethoven". Actually I change it all the time.

The next one will probably be "no upstairs".

Or "department of converse".

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Top posts
answer
14
A question on Euler's totient function
Apr 17
answer
6
Noteworthy, but not so famous conjectures resolved recent years
Apr 29
answer
5
Length of a product of conjugates of an element in a free group
Sep 26, 2022
answer
3
Theorems with many distinct proofs
Apr 26
answer
3
Does some knot group fail to surject onto any alternating group?
May 17
question
0
Finitely generated and finitely presented [closed]
Jun 8
answer
-1
Proofs without words
Nov 21
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10
Is $\ \{ \sin(p):\ p\ $ is prime $ \}\ $ a dense subset of $\ [-1,1]\ ?$
8
Find an average number by using group action
7
Is there a perfect group in which not every element is a commutator?
7
What is the utility of the Tietze extension theorem?
6
Can two non-isomorphic finitely presented groups have isomorphic abelianizations?