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rmdmc89

Member for 8 years, 6 months
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Brasil

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smooth-manifolds

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Questions

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Score Activity Newest Views

17

Understanding the orientable double cover

Dec 3, 2016

17

Is Algebraic Number Theory still an active research field?

May 5, 2018

15

Non-trivial example of algebraically closed fields

Jul 13, 2016

12

Space of linear, continuous, hyperbolic functions is open, dense in the set of invertible functions

May 27, 2018

11

$e^z-P(z)$ has infinitely many zeros

May 12, 2016

Answers

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25

Understanding the orientable double cover

Aug 24, 2018

13

How can three vectors be orthogonal to each other?

Sep 29, 2019

10

What's the difference between time-dependent flow (isotopy) and time-independent flow?

Dec 5, 2019

10

Orientability of a product of smooth manifolds implies orientability of each factor

Nov 26, 2017

6

Asymptotic formula for $\sum_{n\leq x}\sigma(n)$ knowing $\sum_{n\leq x}\frac{\sigma(n)}{n}$

Oct 16, 2018

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smooth-manifolds

50

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65

posts

differential-geometry

34

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62

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orientation

29

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9

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differential-topology

27

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13

posts

linear-algebra

21

Score

11

posts

Reputation

+10

A possible proof that the affine line with double origin is not affine

+10

If $D$ is a Weil divisor, how do I get the invertible sheaf $\mathcal{O}_S(D)$?

+10

Why the emphasis on Projective Space in Algebraic Geometry?

+10

Characteristic functions of random variables are non-negative definite

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