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Keith's user avatar
Keith's user avatar
Keith
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I do maths for fun. Currently an undergraduate CS major.

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View all questions and answers
answer
29
When is 2 qualitatively different from 3?
Nov 9
question
12
Outer semidirect product
Aug 7
question
11
Is there a theory of completions of semirings similar to $I$-adic completions of rings?
Nov 27
question
9
The reals: a topological lattice in more than the obvious way?
Oct 21
question
6
Resource on how the definitions of subobjects for various categories can vary
Jul 25
question
6
Automorphisms of powers of finite simple groups
Aug 6
answer
5
Is it known that the Collatz-like sequence with 7n+1 diverges to infinity starting with 7?
Jul 27
question
2
Idempotent suplattice endomorphisms which commute
Aug 15
question
1
Isomorphism classes of finite $\mathbb{N}$-groups
Jul 24
answer
1
What are some examples of non-commutative $\mathbb{Q}$-monoids and/or $\mathbb{R}$-monoids?
Jul 24