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kissanpentu
  • Member for 8 years, 9 months
  • Last seen more than 4 years ago
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10
Finding the sum $\frac{x}{x+1} + \frac{2x^2}{x^2+1} + \frac{4x^4}{x^4+1} + \cdots$
Oct 4, 2016
6
Invariant Polynomials under Rotations
May 2, 2019
4
Automorphisms of the exceptional Jordan algebra preserve the determinant and trace.
Nov 10, 2015
4
Calculating $\operatorname{Ext}$ in special cases.
Dec 20, 2015
4
An equation over a finite field
Apr 12, 2016
3
A criterion for commutative Banach algebra
Dec 16, 2015
3
Criterion for an affine isomorphism.
Jul 22, 2016
3
Reference request: structure of stabilisers of totally isotropic subspaces in orthogonal (and unitary) groups
Jun 23, 2019
2
Conway's proof of the Euclid lemma
Oct 25, 2015
2
An isosceles trapezium
Nov 7, 2015