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On the Inclusion Properties of Interval Multiplication: A Diagrammatic Study
Authors:Z Kulpa  S Markov
Institution:(1) Polish Academy of Sciences, Institute of Fundamental Technological Research, ul. Sacutewieogontokrzyska 21, PL-00-049 Warsaw, Poland;(2) Bulgarian Academy of Sciences, Institute of Mathematics and Informatics, ldquoAcad. G. Bonchevrdquo st., block 8, BG-1113 Sofia, Bulgaria
Abstract:Certain algebraic properties of familiar (set-theoretic) interval multiplication are studied diagrammatically. The centred interval multiplication operations (the long known outward multiplication and the newly proposed inward one) are defined and studied diagrammatically in some detail, especially with respect to inclusion isotonicity.This revised version was published online in October 2005 with corrections to the Cover Date.
Keywords:interval arithmetic  midpoint-radius coordinates  inclusion isotonicity  diagrammatic representation  interval diagrams  interval multiplication  centred interval multiplication
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