User Erik Aas - MathOverflow Meta

Erik Aas

Member for 12 years, 9 months
Last seen more than 2 years ago

Switzerland

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19

Fundamental domain of $\operatorname{GL}(n,\mathbb R)$ acted on by $\operatorname{GL}(n, \mathbb Z)$

15

Teaching homology via everyday examples

8

Sampling uniformly from a sphere

8

A natural refinement of the $A_n$ arrangement is to consider all $2^n-1$ hyperplanes given by the sums of the coordinate functions. Have you seen this arrangement? Is it completely intractable?

7

Symmetric functions of the eigenvalues of A+B, A, B, ABA, BAB, et.c.