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abstract-algebra

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Answers

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7

Some questions about Enrichement Definition in Category Theory

Sep 17, 2018

7

Why use $\infty$-categories over model categories?

Jun 13, 2022

6

Non abelian group with 27 elements and its center

May 23, 2018

6

$f:S^1\rightarrow S^1$ injective but not surjective

Jun 13, 2017

6

What is a regular submanifold?

Nov 24, 2017

Questions

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13

When are quadratic rings of integers unique factorization domains?

Nov 28, 2018

12

Is every finite group a normal subgroup of a symmetric group?

Jun 27, 2016

9

List of theorems named after non-human animals

Jul 10, 2016

7

Proof of squeeze theorem for functions

Mar 16, 2015

7

Degree of $a+b$ over a field $k$, where $a$ and $b$ are distinct roots of the same polynomial

Dec 25, 2018

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abstract-algebra

45

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algebraic-geometry

28

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25

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group-theory

28

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18

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category-theory

27

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15

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ring-theory

21

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17

posts

Reputation

+10

Why use $\infty$-categories over model categories?

-2

Decomposition of a representation into a direct sum of irreducible ones

+10

What is a bounded quantifier?

+10

Representations on an infinite dimensional graded vector space

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