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Igor Khavkine's user avatar
Igor Khavkine's user avatar
Igor Khavkine's user avatar
Igor Khavkine
  • Member for 16 years, 2 months
  • Last seen this week
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About

Staff Researcher at the Institute of Mathematics, Czech Academy of Sciences.

Mathematical Physics, Geometry of PDEs and Classical/Quantum Field Theory, Quantum Gravity.

http://users.math.cas.cz/~khavkine/

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Top posts

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80
Proofs without words
Dec 16, 2009
49
John Nash's Mathematical Legacy
May 24, 2015
43
Is there a closed form for $\int_0^\infty\frac{\tanh^3(x)}{x^2}dx$?
Jun 7, 2017
40
Is there any way to rewrite a partial differential equation using language of differential forms, tensors, etc?
May 23, 2013
33
How much of mathematical General Relativity depends on the Axiom of Choice?
Aug 21, 2023
32
Style of mathematical writing vs. too many lemmas
Jun 16, 2015
31
An example of a beautiful proof that would be accessible at the high school level?
Sep 8, 2011
31
The speed of gravitational waves in general relativity
Nov 10, 2012
30
How to prove Lambert's W function is not elementary?
Jul 6, 2013
28
Can infinity shorten proofs a lot?
Feb 1, 2012

Top Meta posts

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23
Encouraging new users to provide a name or a nickname
19
What makes you vote to close a question?
5
Should MathOverflow request suggested tags feature?
4
Requests for reopen and undelete votes for closed and deleted questions
4
Customize the modal window for the first-time askers

Top network posts

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8
Term for conversation where each person speaks a different language, while understanding each other
6
Extensions of linear integer arithmetic decidable via Deterministic Pushdown Automata
5
efficient summation of $\sum_{i=1}^{n}\sum_{j=1}^{n}\sum_{k=1}^{n}\sum_{l=1}^{n}A_{ij}A_{ik}A_{il}A_{jk}A_{jl}A_{kl}$