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Mathematics
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Grigory M's user avatar
Grigory M's user avatar
Grigory M
  • Member for 13 years, 11 months
  • Last seen this week
  • Moscow, Russia
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40
Dividing an equilateral triangle into N equal (possibly non-connected) parts
Jun 24, 2016
34
Which manifolds are parallelizable?
Jun 19, 2011
30
Combinatorial proof of a Stirling number identity.
May 23, 2013
30
Ramanujan-type trigonometric identities with cube roots, generalizing $\sqrt[3]{\cos(2\pi/7)}+\sqrt[3]{\cos(4\pi/7)}+\sqrt[3]{\cos(8\pi/7)}$
Jan 19, 2014
29
Solution to $1-f(x) = f(-x)$
Jul 30, 2010
28
Is there a direct proof of this lcm identity?
Aug 5, 2010
26
Are there any Hessian matrices that are asymmetric on a large set?
Jun 26, 2011
26
Strehl identity for the sum of cubes of binomial coefficients
Nov 29, 2013
26
Geometric interpretation of the cofactor expansion theorem
Dec 5, 2013
25
Spherical cap area is $\pi r^2$. But why?
Nov 5, 2021
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How to draw a commutative diagram?
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Define additional math operators to be typeset in roman
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Cyrillic in (La)TeX
84
How can I typeset the date/time at compile time?
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How to type three points diagonally?
65
Cyrillic in (La)TeX