R-implications and the exchange principle: The case of border continuous t-norms

Jayaram, Balasubramaniam and Baczynski, M and Mesiar, R (2013) R-implications and the exchange principle: The case of border continuous t-norms. Fuzzy Sets and Systems, 224. pp. 93-105. ISSN 0165-0114

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It is well-known that the residual of a left-continuous t-norm satisfies the exchange principle (EP). However, the left-continuity of a t-norm is only sufficient and not necessary, as many examples in the literature illustrate. In this work we study the necessary and sufficient conditions on a t-norm for its residual to satisfy (EP). We present a complete characterization of two classes of t-norms whose residuals satisfy (EP), viz., t-norms that are border-continuous and those that have an ordinal sum representation. Based on the obtained results we characterize t-norms, whose residuals satisfy both the exchange principle and the ordering property.

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IITH Creators:
IITH CreatorsORCiD
Jayaram, Balasubramaniamhttp://orcid.org/0000-0001-7370-3821
Item Type: Article
Uncontrolled Keywords: Fuzzy connectives; R-implication; Triangular norm; Exchange principle; Fuzzy implication
Subjects: Mathematics
Divisions: Department of Mathematics
Depositing User: Team Library
Date Deposited: 26 Nov 2014 09:16
Last Modified: 20 Sep 2017 07:28
URI: http://raiith.iith.ac.in/id/eprint/986
Publisher URL: https://doi.org/10.1016/j.fss.2012.12.005
OA policy: http://www.sherpa.ac.uk/romeo/issn/0165-0114/
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