Graph parameters and semigroup functions

European Journal of Combinatorics

Volumn 29, Issue 4, 2008, Pages 987-1002

  Lovász, László ^a   Schrijver, Alexander ^b,c  

^a MICROSOFT RESEARCH   (United States)

^b CWI   (Netherlands)

^c UNIVERSITY OF AMSTERDAM   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 41549127996     PISSN: 01956698     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ejc.2007.11.008     Document Type: Article

References (5)

1. Berg C., Christensen J.P.R., and Ressel P. Positive definite functions on abelian semigroups. Mathematische Annalen 223 (1976) 253-272
2. Berg C., Christensen J.P.R., and Ressel P. Harmonic Analysis on Semigroups - Theory of Positive Definite and Related Functions. Graduate Texts in Mathematics vol. 100 (1984), Springer, New York
3. Berg C., and Maserick P.H. Exponentially bounded positive definite functions. Illinois Journal of Mathematics 28 (1984) 162-179
4. Freedman M.H., Lovász L., and Schrijver A. Reflection positivity, rank connectivity, and homomorphisms of graphs. Journal of the American Mathematical Society 20 (2007) 37-51
5. Lindahl R.J., and Maserick P.H. Positive-definite functions on involution semigroups. Duke Mathematical Journal 38 (1971) 771-782