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SomeCallMeTim
  • Member for 4 years, 3 months
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7
$| \ker{\phi} |<\infty \iff [G: \phi(G)]<\infty$ for group homomorphism $\phi$.
Jun 28
6
Math heavy programming challenge book.
Jul 11
5
Dummit & Foote's Abstract Algebra: Error on proof of Sylow's theorem (Theorem 4.5.18)
Apr 27, 2023
5
Do three distinct functions f, g and h exist such that f'=g, g'=h and h'=f?
Mar 28, 2022
5
Is a prime/maximal ideal in the fraction ring prime/maximal in the underlying ring?
Feb 2
4
Isomorphic subgroups of the multiplicative group of a field
Nov 27, 2023
4
Help with existence & uniqueness proof involving sets.
Dec 19, 2022
4
Theorem 5, Section 1.4 of Hungerford’s Abstract Algebra
Apr 28, 2023
4
Order of study (books) modular forms/elliptic curves/Iwasawa theory
Sep 6, 2023
3
Proof that on infinite fields, finite separable extensions are all simple.
Jul 5, 2023