منابع مشابه
On quasi-homogeneous copulas
Quasi-homogeneity of copulas is introduced and studied. Quasi-homogeneous copulas are characterized by the convexity and strict monotonicity of their diagonal sections. As a by-product, a new construction method for copulas when only their diagonal section is known is given.
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We introduce the concept of associativity for string functions, where a string function is a unary operation on the set of strings over a given alphabet. We discuss this new property and describe certain classes of asso-ciative string functions. We also characterize the recently introduced preasso-ciative functions as compositions of associative string functions with injective unary maps. Final...
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ژورنال
عنوان ژورنال: International Journal of Mathematics and Mathematical Sciences
سال: 1998
ISSN: 0161-1712,1687-0425
DOI: 10.1155/s0161171298000489