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Erschienen in:
2018 | OriginalPaper | Buchkapitel
8. Proximity and Nearness
verfasst von : Gunther Schmidt, Michael Winter
Erschienen in: Relational Topology
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Abstract
Proximity is introduced when trying to axiomatize the concept of being in some sense “near” that may hold from a set to another set. Far better known are point-to-set notions that characterize being element of a neighborhood or of an open set. The first concept of proximity was described in 1908 by Frigyes Riesz and then ignored. Others to be mentioned for having worked on such ideas include V. A. Efremovič in 1934 and A. N. Wallace in 1940. More recently, we found some work in Naimpally and Warrack (Proximity Spaces, Cambridge University Press, 1970), Vakarelov et al. (J Appl Non-Class Log 12:527–559, 2002), Bennett and Düntsch (Axioms, Algebras and Topology. In Marco Aiello, Ian E. Pratt-Hartmann, and Johan F.A.K. van Bentham, editors, Handbook of Spatial Logics, pages 99–159.Springer, 2007).