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stat.ME2012★ 1 cited
Characterization of Differentiable Copulas
Saikat Mukherjee, Farhad Jafari, Jong-Min Kim
This paper proposes a new class of copulas which characterize the set of all twice continuously differentiable copulas. We show that our proposed new class of copulas is a new gene…
math.CA2012
Sparse Hamburger Moment Sequences
Saroj Aryal, Hayoung Choi, Farhad Jafari
Putinar and Vasilescu [6] have given an algebraic characterization of Hamburger moment sequences in several variables. In this paper we study some sparse moment subsequences of Ham…