Proving that a doubly stochastic matrix is a convex combination of permutation matrices
40151
What's the algorithm of finding the convex combination of permutation matrices for a doubly stochastic matrix?
72551
Proof that $\rho = \pm1$ implies linear combination
138342
Proof of a matrix exponential identity
94058
Applying the Berry-Esseen theorem to non-identically distributed summands
90904
Combinatorial proof of an identity with squared binomial coefficients
76619
Computing kernels of a matrix in distinct cases
66842
Number of $n^2\times n^2$ permutation matrices with a 1 in each $n\times n$ subgrid
126025
Computing the inverse of a permutation
113594
Convex combination of quasiconvex functions.
108567
Nielsen & Chuang Exercise 2.2 - “Matrix representations: example”
156877
Rank-one perturbation proof
23520
A property of Littlewood-Paley decomposition
32767
Similar Matrices and Linear Transformations
26691
Uniformly distributed n-dimensional probability vectors over a simplex
103367
Is inverse matrix convex?
142325
Two independent geometric random variables - proof of sum
120744
How many $n\times m$ binary matrices are there, up to row and column permutations?