The Packing Measure of the Trajectories of Multiparameter Fractional Brownian Motion

نویسنده

  • Yimin Xiao
چکیده

Let X = {X(t), t ∈ RN} be a multiparameter fractional Brownian motion of index α (0 < α < 1) in R. We prove that if N < αd , then there exist positive finite constants K1 and K2 such that with probability 1, K1 ≤ φ-p(X([0, 1] )) ≤ φ-p(GrX([0, 1] )) ≤ K2 where φ(s) = s/(log log 1/s), φ-p(E) is the φ-packing measure of E, X([0, 1] ) is the image and GrX([0, 1] ) = {(t,X(t)); t ∈ [0, 1]N} is the graph of X, respectively. We also establish liminf and limsup type laws of the iterated logarithm for the sojourn measure of X. Running head: Yimin Xiao, The Packing Measure of Fractional Brownian Motion AMS Classification Numbers: Primary 60G15, 60G17; Secondary 28A78.

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تاریخ انتشار 2003