CEU eTD Collection (2017); Gopaulsingh, Alexa Stephanie Maria: On Relational Extensions and Successive Approximation Operators of Rough Set Theory

CEU Electronic Theses and Dissertations, 2017
Author Gopaulsingh, Alexa Stephanie Maria
Title On Relational Extensions and Successive Approximation Operators of Rough Set Theory
Summary In this thesis we find a non dual relational extension of rough sets which satisfies many nice properties. Furthermore, we examine the decomposition of double successive approximation operators based on generally different equivalence relations and give algorithms which output a solution if one exists. We also find and characterize conditions on equivalence relation pairs which generate unique such operators.
Supervisor Csirmaz, László
Department Mathematics PhD
Full texthttps://www.etd.ceu.edu/2017/gopaulsingh_alexa.pdf

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