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user1104937
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3 votes
0 answers
75 views

Kaufman Bracket on Links vs Framed Links

2 votes
1 answer
157 views

Intuition behind large diagrams in category theory

2 votes
1 answer
54 views

Endomorphism ring of a module in terms of endomorphism ring of the underlying group

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1 answer
111 views

Hartshorne Proposition II.3.2

1 vote
1 answer
73 views

Olsson's Algebraic Spaces and Stacks Paragraph 2.3.1

1 vote
2 answers
60 views

Lemma 3.6.9 from Complex Topological K-Theory by Efton Park

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1 answer
64 views

Separable extension characterization

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0 answers
73 views

Spivak, Volume I, page 292

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2 answers
78 views

When one defines the localized ring $A_f$, is it tacitly assumed that $f$ is not nilpotent?

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0 answers
37 views

Conceptualizing Derived Functors

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1 answer
52 views

Infinite product of non-units is always 0