3 papers
math.MG2024
Calculating the sequences behind a hexagonal lattice based equal circle packing in the Euclidian plane
Jure Voglar, Aljoša Peperko
The article presents the mathematical sequences describing circle packing densities in four different geometric configurations involving a hexagonal lattice based equal circle pack…
math.FA2024
Inequalities on the essential joint and essential generalized spectral radius
B. Lins, A. Peperko
We prove new inequalities for the essential generalized and the essential joint spectral radius of Hadamard (Schur) weighted geometric means of bounded sets of infinite nonnegative…
math.SP2016
Inequalities on the spectral radius, operator norm and numerical radius of Hadamard weighted geometric mean of positive kernel operators
Aljoša Peperko
Recently, several authors have proved inequalities on the spectral radius , operator norm and numerical radius of Hadamard products and ordinary products of non-nega…