23

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