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Mathematics
Ivo Terek's user avatar
Ivo Terek's user avatar
Ivo Terek's user avatar
Ivo Terek
  • Member for 10 years, 6 months
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About

Visiting Assistant Professor at Williams College.

I'm interested in differential geometry (pseudo-Riemannian, Lorentzian, symplectic) and dynamical systems (smooth dynamics, magnetic flows, hyperbolic systems).

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86
What is the most unusual proof you know that $\sqrt{2}$ is irrational?
Jun 3, 2015
86
Why are two planes parallel to the same line not necessarily parallel?
May 10, 2015
65
Is there an "inverted" dot product?
Jan 17, 2018
36
Is hyperbolic rotation really a rotation?
Feb 26, 2018
35
Creating a question that use the $\epsilon$-$\delta$ definition to prove that $f$ is a continuous function
Jul 2, 2014
34
Orientability of $m\times n$ matrices with rank $r$
May 29, 2016
32
Are all bilinear forms identically zero?
Sep 2, 2016
31
A subset of a compact set is compact?
Jul 25, 2014
30
Why must harmonic functions on compact Riemannian manifolds be constant?
Apr 22, 2020
29
Explain "homotopy" to me
Feb 10, 2016
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Old Questions that Answer Your Own
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Why in unanswered questions there are answered questions?
9
What is SE etiquette when answering your own question?
7
How do I get to know if my question has been commented or answered?
6
Behavior about answering and voting for closing a question.
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Professor refuses letter of recommendation request
22
How come Harry didn't recognize the Half-Blood Prince's handwriting?
21
Interpretations for higher Tor functors
14
Is there a Portuguese expression for "raining cats and dogs"?
11
Is $\Bbb S^2 \times \Bbb S^4$ symplectic?