New posts in Positivity

Square root of doubly positive symmetric matrices

When can a function be made positive by averaging?

Polynomials that preserve nonnegativity

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

Wanted: Positivity certificate for the AM-GM inequality in low dimension

What techniques are there to prove Schur positivity?

Why are quantum groups so called?

Varieties with an ample vector bundle mapping to their tangent bundle

Matrices whose inverse is positive

sum of squares in ring of integers