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EOR
2007
93views more  EOR 2007»
15 years 6 months ago
Location-routing: Issues, models and methods
This paper is a survey of location-routing: a relatively new branch of locational analysis that takes into account vehicle routing aspects. We propose a classification scheme and...
Gábor Nagy, Saïd Salhi
JSYML
2006
84views more  JSYML 2006»
15 years 6 months ago
Bounded modified realizability
We define a notion of realizability, based on a new assignment of formulas, which does not care for precise witnesses of existential statements, but only for bounds for them. The ...
Fernando Ferreira, Ana Nunes
FSS
2007
71views more  FSS 2007»
15 years 6 months ago
Similarity of fuzzy choice functions
Abstract – In this paper two new concepts are introduced: the similarity and the (∗,δ)-equality of fuzzy choice functions. We investigate the manner the similarity and (∗,δ...
Irina Georgescu
IGPL
2007
149views more  IGPL 2007»
15 years 6 months ago
Logical and Philosophical Remarks on Quasi-Set Theory
Quasi-set theory is a theory for dealing with collections of indistinguishable objects. In this paper we discuss some logical and philosophical questions involved with such a theo...
Newton C. A. da Costa, Décio Krause
ACS
2005
15 years 6 months ago
Flow does not Model Flows up to Weak Dihomotopy
We prove that the category of flows cannot be the underlying category of a model category whose corresponding homotopy types are the flows up to weak dihomotopy. Some hints are giv...
Philippe Gaucher