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