Accession Number:

AD0712714

Title:

PROOF OF THE HEAWOOD CONJECTURE FOR NON-ORIENTABLE SURFACES,

Descriptive Note:

Corporate Author:

RAND CORP SANTA MONICA CALIF

Personal Author(s):

• Youngs,J. W. T.

Report Date:

1970-09-01

Pagination or Media Count:

113.0

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 thesquare root of 124q2, 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