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Reflection invariant copulas.
- Source :
-
Fuzzy Sets & Systems . Jan2019, Vol. 354, p63-73. 11p. - Publication Year :
- 2019
-
Abstract
- Abstract In the present paper we study the class of all those copulas that are invariant under a special class of transformations, called reflections. In particular, we focus on the special role played by the independence copula within this class. For this purpose, we introduce a bijective transformation which turns every copula into a reflection invariant copula and enforces a strong geometric property: The n -fold composition of this transformation to a d -dimensional copula coincides with the independence copula on the mesh { 0 , 1 2 n ,... , 2 n − 1 2 n , 1 } d. It turns out that the independence copula is the unique fixed point of the introduced transformation. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 01650114
- Volume :
- 354
- Database :
- Academic Search Index
- Journal :
- Fuzzy Sets & Systems
- Publication Type :
- Academic Journal
- Accession number :
- 132853767
- Full Text :
- https://doi.org/10.1016/j.fss.2018.02.004