Accession Number : AD0712714

Title :   PROOF OF THE HEAWOOD CONJECTURE FOR NON-ORIENTABLE SURFACES,

Corporate Author : RAND CORP SANTA MONICA CALIF

Personal Author(s) : Youngs,J. W. T.

Report Date : SEP 1970

Pagination or Media Count : 113

Abstract : The paper provides a proof of the fact that the chromatic number of the non-orientable surface which is a sphere with q cross-caps is the integral part of (7 + the(square root of (1+24q))/2), unless q = 2. In the exceptional case the chromatic number is 6. (Author)

Descriptors :   (*TOPOLOGY, *COMBINATORIAL ANALYSIS), (*MAPS, COLORS), GRAPHICS, SURFACES, THEOREMS

Subject Categories : Theoretical Mathematics

Distribution Statement : APPROVED FOR PUBLIC RELEASE