Some remarks on obligatory subsystems of uncountably chromatic triple systems

Authors
Komjath, P
Citation
P. Komjath, Some remarks on obligatory subsystems of uncountably chromatic triple systems, COMBINATORI, 21(2), 2001, pp. 233-238
Citations number
8
Categorie Soggetti
Mathematics,"Computer Science & Engineering
Journal title
COMBINATORICA
ISSN journal
02099683 → ACNP
Volume
21
Issue
2
Year of publication
2001
Pages
233 - 238
Database
ISI
SICI code
0209-9683(2001)21:2<233:SROOSO>2.0.ZU;2-9
Abstract
An obligatory triple system is one that embeds into every triple system of uncountable chromatic number. It is proved that a triple system is obligato ry iff every 2-connected component of it is. Obligatory triple systems are tripartite but not vice verse.