User Naweed G. Seldon - MathOverflow Meta

Naweed G. Seldon

Member for 6 years
Last seen more than 2 years ago

Santa Cruz, CA, USA

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Trying to make abstraction tangible, at least for myself.

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Jul 28, 2021
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Dec 16, 2017

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8

To show that the contravariant $\text{Hom}$ functor is left-exact

8

Functoriality of associating to a group algebra $kG$ its center $Z(kG)$, where $G$ is finite

6

Determinant of a $2\times 2$ real matrix when an eigenvalue is given

5

To show that if all roots of an integer monic polynomial have norm 1, then they are roots of 1

5

Universal Property and Fibered Product