Lines in hypergraphs
L Beaudou, A Bondy, X Chen, E Chiniforooshan… - Combinatorica, 2013 - Springer
Abstract One of the De Bruijn-Erdős theorems deals with finite hypergraphs where every two
vertices belong to precisely one hyperedge. It asserts that, except in the perverse case …
vertices belong to precisely one hyperedge. It asserts that, except in the perverse case …
[图书][B] Shadows and intersections
AN Chowdhury - 2012 - search.proquest.com
This thesis makes contributions to extremal combinatorics, specifically extremal set theory
questions and their analogs in other structures. Extremal set theory studies how large or …
questions and their analogs in other structures. Extremal set theory studies how large or …