A short proof that 'proper = unit'

Discrete Mathematics

Volumn 201, Issue 1-3, 1999, Pages 21-23

  Bogart, Kenneth P ^a   West, Douglas B ^b  

^a DARTMOUTH COLLEGE   (United States)

^b UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

Proper interval graph; Semiorder; Unit interval

Indexed keywords

EID: 0041705606     PISSN: 0012365X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-365X(98)00310-0     Document Type: Article

References (2)

1. F.S. Roberts, Indifference graphs in: F. Harary (Ed.), Proof Techniques in Graph Theory Academic Press, New York, 1969, pp. 139-146.
2. D. Scott, P. Suppes, Foundational aspects of theories of measurement, J. Symbol. Logic 23 (1958) 233-247.