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» Characterizations of postman sets
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DM
2007
101views more  DM 2007»
15 years 4 months ago
Threshold graphs, shifted complexes, and graphical complexes
We consider a variety of connections between threshold graphs, shifted complexes, and simplicial complexes naturally formed from a graph. These graphical complexes include the inde...
Caroline J. Klivans
EJC
2007
15 years 4 months ago
The geometry of secants in embedded polar spaces
Consider a polar space S weakly embedded in a projective space P. A secant of S is the intersection of the point set of S with a line of P spanned by two non-collinear points of S...
Hans Cuypers
MSCS
2006
93views more  MSCS 2006»
15 years 4 months ago
Uniform regular enumerations
Abstract. In the paper we introduce and study the uniform regular enumerations for arbitrary recursive ordinals. As an application of the technique we obtain a uniform generalizati...
Ivan N. Soskov, Bogomil Kovachev
APAL
2004
111views more  APAL 2004»
15 years 4 months ago
Concept lattices and order in fuzzy logic
The theory of concept lattices (i.e. hierarchical structures of concepts in the sense of Port-Royal school) is approached from the point of view of fuzzy logic. The notions of par...
Radim Belohlávek
SIAMJO
2000
61views more  SIAMJO 2000»
15 years 4 months ago
Stability of Locally Optimal Solutions
: Necessary and sufficient conditions are obtained for the Lipschitzian stability of local solutions to finite-dimensional parameterized optimization problems in a very general set...
A. B. Levy, R. A. Poliquin, R. Tyrell Rockafellar