User Dinisaur - Mathematics Stack Exchange

Dinisaur

Member for 5 years, 8 months
Last seen this week

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901

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9k

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9

answers

32

questions

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4

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Yearling

× 4

Aug 17

14

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Explainer

Nov 25, 2018
Organizer

Dec 16, 2020
Excavator

Apr 26, 2020

Top tags

riemannian-geometry

3

Score

11

Posts

27

Posts %

lie-groups

3

Score

5

Posts

12

Posts %

group-theory

3

Score

4

Posts

10

Posts %

geometry

0

Score

5

Posts

12

Posts %

hyperbolic-geometry

0

Score

5

Posts

12

Posts %

isometry

0

Score

5

Posts

12

Posts %

Top posts

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All Questions Answers

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8

Frobenius morphisms of a scheme

May 5, 2017

5

Who said (a variation of) this? "Mathematics didn't teach me how to reason correctly, but [...] how easy it is to make an error when reasoning."

Nov 21, 2018

5

Understanding the geometry of the cross $\operatorname{Spec}(k[x,y]/(xy))$

Apr 3, 2017

4

Exponential map in the Lie vs. Riemannian category

Feb 23, 2021

4

An easy example of a non-quasiconvex subgroup

Apr 8, 2021

3

Non-isomorphic equi-geometric models

Mar 31, 2021

3

Recovering the Ricci tensor from the Ricci curvature

Jun 24, 2021

3

What is the universal cover of SL(2,R)?

Dec 16, 2020

3

Sheafification as a limit

Feb 3, 2017

3

Short exact sequence of groups acting on a space

Dec 1, 2020

Top network posts

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23

What would happen if I put an Immovable Rod (or in general an object) into a closing portal?

13

What happens when polymorph ends in a demiplane that is too small for the creature?

7

Was the heart of the buddhist monk Quảng Đức intact after cremation?