Top Network Posts
- 13What's the simplest rational not expressible as a sum of a given number of unit fractions?
- 11Diophantine equation: Egyptian fraction representations of 1
- 11Proof that an integral domain that is a finite-dimensional $F$-vector space is in fact a field
- 10Is a red-black tree my ideal data structure?
- 9A balls-and-colours problem
- 7Stepping through all permutations one swap at a time
- 5Are there primes p, q such that p^4+1 = 2q^2 ?
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