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Supported by the National Natural Science Foundation of China(No.70471071);the Key Research Base for Humanities and Social Sciences of Zhejiang Provincial High Education Talents(Statistics of Zhejiang Gongshang University).
Let B^H,K : (B^H,K(t), t ∈R+^N} be an (N,d)-bifractional Brownian sheet with Hurst indices H = (H1,..., HN) ∈ (0, 1)^N and K = (K1,..., KN)∈ (0, 1]^N. The characteristics of the polar functions for B^...
Supported by the National Natural Science Foundation of China(No.10571159);Specialized Research Fund for the Doctor Program of Higher Education(No.2002335090)
In this paper, we introduce a class of Gaussian processes Y={Y(t):t∈R^N},the so called hifractional Brownian motion with the indcxes H=(H1,…,HN)and α. We consider the (N, d, H, α) Gaussian random field x(t...