P. Borg

activity

20102023

most citedIntersecting families of sets and permutations: a survey

34 citations · 64 across the 22 of their papers we have counts for

collaborators

Showing 2016 · math.COShow all

2 papers · 2 filters

math.CO2016

The maximum product of sizes of cross-intersecting families

Peter Borg

We say that a set $A$ $t$ -intersects a set $B$ if $A$ and $B$ have at least $t$ common elements. Two families $A$ and $B$ of sets are said to be cross- $t$ -inter…

math.CO2016

Stars on trees

Peter Borg

For a positive integer $r$ and a vertex $v$ of a graph $G$ , let $I_{G}^{(r)} (v)$ denote the set of all independent sets of $G$ that have exactly $r$ elements and contain $v…