the National Natural Science Foundation of China (Grant Nos. 10571122, 10371046);the Natural Science Foundation of Fujian Province of China (Grant No. Z0511004)
Let Q 2 = [0, 1]2 be the unit square in two dimension Euclidean space ?2. We study the L p boundedness properties of the oscillatory integral operators T α,β defined on the set S(?3) of Schwartz test functions f by ...
supported by the NSF of China;supported by TRAPOYT and the NSF of China(No.10371046)
Let T=(T(t))_(t≥0)be a bounded C-regularized semigroup generated by A on a Banach space X and R(C)be dense in X.We show that if there is a dense subspace Y of X such that for every x ∈ Y,σ_u(A,Cx),the set of all po...