New posts in Matrix Analysis

Trigonometry / Euclidean Geometry for natural numbers?

Maximum of a quantity for two normal orthogonal vectors in $\mathbb{R}^n$

Is the linear span of special orthogonal matrices equal to the whole space of $N\times N$ matrices?

Is this lower bound for a norm of some complex matrices true?

Nuclear norm as minimum of Frobenius norm product

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

Trace of non-commutable matrices

Vandermonde matrix is totally positive

Inverse of special upper triangular matrix

A simple but curious determinantal inequality