Top Network Posts
- 34Structures that turn out to exhibit a symmetry even though their definition doesn't
- 23Are there irreducible polynomials with all zeros on two concentric circles?
- 22tiling a rectangle with the smallest number of squares
- 20Eigenvalues of permutations of a real matrix: can they all be real?
- 17"Squeezing" a finite group between symmetric groups
- 15The smallest disk containing all sides of an $n$-gon
- 13How many vertices/edges/faces at most for a convex polyhedron that tiles space?
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