23

Answers
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47
Proofs without words
18
Famous mathematical quotes
3
What’s your favorite equation, formula, identity or inequality?
1
How is it that you can guess if one of a pair of random numbers is larger with probability > 1/2?
4
How hard is it to compute the number of prime factors of a given integer?
1
When are probability distributions completely determined by their moments?
5
Tools for Organizing Papers?
1
Are there any interesting examples of random NP-complete problems?
6
Toy Models of Quantum Mechanics
2
How Does Random Noise Typically Look?
6
Discrete logs vs. factoring
0
Range of binomial probability, given a certain number of observations?
0
What are the components of a transpose operator from R^{n*n} to R^{n*n}?
4
probabilistic knot theory
4
No simple duplication formula for factorials?
4
Quantum Computing Complexity?
3
Bounding a spectral gap: what proof techniques exist?
0
Eigenvalues of a sum of Hermitian positive definite circulant matrix and a positive diagonal matrix
0
How much faith should I put in numerics?
2
What is the entropy of a density matrix which is the sum of two unitarily equivalent projectors?
3
Generalization of scalar product to k-dimensional subspaces (as opposed to 1-dimensional subspaces, i.e. vectors)
0
Generating a group by randomly sampling generators
2
How to construct matrices with periodicity