User Ivo Terek - Mathematics Stack Exchange

Ivo Terek

Member for 9 years, 11 months
Last seen this week

asc.ohio-state.edu/…
Columbus, OH, USA

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86

Why are two planes parallel to the same line not necessarily parallel?

May 10, 2015

85

What is the most unusual proof you know that $\sqrt{2}$ is irrational?

Jun 3, 2015

65

Is there an "inverted" dot product?

Jan 17, 2018

35

Creating a question that use the $\epsilon$-$\delta$ definition to prove that $f$ is a continuous function

Jul 2, 2014

34

Is hyperbolic rotation really a rotation?

Feb 26, 2018

Questions

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34

Orientability of $m\times n$ matrices with rank $r$

May 29, 2016

23

Proving that a doubly-periodic entire function $f$ is constant.

Apr 21, 2015

17

Gathering books on Lorentzian Geometry

Nov 14, 2014

17

Distance to a closed set is continuous.

Sep 24, 2014

17

If there is a unique left identity, then it is also a right identity

Aug 10, 2015

Tags

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differential-geometry

978

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505

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linear-algebra

926

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378

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real-analysis

736

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284

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calculus

637

Score

281

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riemannian-geometry

453

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181

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Reputation

top 0.29% overall

+25

2nd Bianchi Identity via normal coordinates

+10

Can a unbounded sequence have a convergent sub sequence?

+10

Geodesic curvature and projection onto the tangent plane

+15

Is there a way to convert an element of $\mathfrak{so}(3)/\mathfrak{so}(2)$ into a "geometric" tangent vector on $S^2$?

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Sep 2, 2014
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Apr 8
Socratic

Jun 15, 2016

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riemannian-geometry

Oct 5, 2022
differential-geometry

Dec 5, 2019
linear-algebra

Sep 2, 2016

223

bronze badges

tensors

Jan 29, 2021
smooth-manifolds

Apr 16, 2021
vectors

Jan 24, 2018

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