About the upper chromatic number of a co-hypergraph

Discrete Mathematics

Volumn 220, Issue 1-3, 2000, Pages 67-73

  Diao, Kefeng ^a   Zhao, Ping ^b   Zhou, Huishan ^c  

^a Linyi Teacher s College   (China)

^b Agricultural Bank of Linyi   (China)

^c BellSouth   (United States)

Author keywords

Co hypergraph; Lower chromatic number; Mixed hypergraph; Upper chromatic number

Indexed keywords

EID: 0347646977     PISSN: 0012365X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-365X(99)00382-9     Document Type: Article

References (8)

1. C. Berge, Graphs and Hypergraphs, North-Holland, Amsterdam, 1973.
2. E. Bulgaru, V.I. Voloshin, Mixed interval hypergraphs, Discrete Appl. Math. 77 (1997) 29-41.
3. L. Milazzo, Zs. Tuza, Upper chromatic number of Steiner triple and quadruple systems, Discrete Math. 174 (1-3) (1997) 247-260.
4. Zs. Tuza, V.I. Voloshin, Uncolorable mixed hypergraphs, Discrete Appl. Math., to appear.
5. Zs. Tuza, V.I. Voloshin, H. Zhou, Uniquely colorable mixed hypergraphs, Discrete Math., submitted.
6. V.I. Voloshin, The mixed hypergraphs, Comput. Sci. J. Moldova 1 (1993) 45-52.
7. V.I. Voloshin, On the upper chromatic number of a hypergraph, Austr. J. Combin. 11 (1995) 25-45.
8. V.I. Voloshin, H. Zhou, Pseudo-chordal mixed hypergraphs, Discrete Math. 202 (1999) 239-248.