Proper and unit tolerance graphs

Autor: Larry J. Langley, Garth Isaak, Peter C. Fishburn, Kenneth P. Bogart
Rok vydání: 1995
Předmět:
Zdroj: Discrete Applied Mathematics. 60(1-3):99-117
ISSN: 0166-218X
DOI: 10.1016/0166-218x(94)00044-e
Popis: We answer a question of Golumbic, Monma and Trotter by constructing proper tolerance graphs that are not unit tolerance graphs. An infinite family of graphs that are minimal in this respect is specified.
Databáze: OpenAIRE