Emiliano J.J. Estrugo

collaborators

2 papers

math.CO2020

On Stars in Caterpillars and Lobsters

Emiliano J. J. Estrugo, Adrián Pastine

The family of all $k$ -independent sets of a graph containing a fixed vertex $v$ is called a {star} and $v$ is called its center. Stars are interesting for their relation to Erdös-K…

math.CO2018

The number of s-separated k-sets in various circles

Emiliano J. J. Estrugo, Adrián Pastine

This article studies the number of ways of selecting $k$ objects arranged in $p$ circles of sizes $n_{1}, \dots, n_{p}$ such that no two selected ones have less than $s$ objects between…