New posts in Nonnegative Matrices

Finding path-lengths by the power of Adjacency matrix of an undirected graph

Frobenius normal form of a doubly stochastic matrix

Is this proof of Perron's theorem correct, and if so is it original?

Factor matrix ${\bf A}$ into the product ${\bf B}{\bf C}$ where ${\bf C}$ has no negative entries and ${\bf B}$ has few non-zero entries

Product $PVPVP$ is elementwise nonnegative?

Sampling from the Birkhoff polytope