the man

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abstract-algebra

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Questions

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26

1 and 2 norm inequality

May 23, 2017

11

Only finitely many $n$ such that $\phi(n) = m$

May 21, 2018

6

What does it mean for a group action to be linear?

Mar 24, 2019

5

How orbits of $G$-sets and these characters are related

Jan 8, 2019

5

Characteristic and primitive roots of unity

Jan 18, 2019

Answers

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3

Solving integral (expectation) with indicator function

Aug 29, 2018

2

Is $\mathbb{Z}_{4} \oplus \mathbb{Z}_{6} \cong \mathbb{Z}_{2} \oplus \mathbb{Z}_{3} \oplus \mathbb{Z}_{4}$?

Jun 19, 2019

2

please ignore this question, does a "field" in "a field of math object" mean a special "set"?

Jul 10, 2019

1

Some confusion about Gaussian ring

Jun 29, 2019

1

Probability problem - Pick up balls from a bag

Aug 29, 2018

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abstract-algebra

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probability

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integration

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expected-value

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linear-algebra

2

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16

posts

Reputation

+30

What does it mean for a group action to be linear?

+30

1 and 2 norm inequality

+10

Projection of a plane on $xy$ plane

+10

Solving integral (expectation) with indicator function

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