Let L = -△Hn + V be a SchrSdinger operator on Heisenberg group Hn, where AHn is the sublaplacian and the nonnegative potential V belongs to the reverse HSlder class BQ/2 where Q is the homogeneous dimension of Hn. L...Let L = -△Hn + V be a SchrSdinger operator on Heisenberg group Hn, where AHn is the sublaplacian and the nonnegative potential V belongs to the reverse HSlder class BQ/2 where Q is the homogeneous dimension of Hn. Let T1 = (--△Hn +V)-1V, T2 = (-△Hn +V)-1/2V1/2, and T3 = (--AHn +V)-I/2△Hn, then we verify that [b, Ti], i = 1, 2, 3 are bounded on some LP(Hn), where b ∈ BMO(Hn). Note that the kernel of Ti, i = 1, 2, 3 has no smoothness.展开更多
Let φ be a growth function, and let A := -(V- ia). (V- ia)+ V be a magnetic SchrSdinger operator on L2(Rn), n≥ 2, where a := (a1, a2... an) ∈ r L1 loc(Rn) We establish the equivalent characteriza- L2 ...Let φ be a growth function, and let A := -(V- ia). (V- ia)+ V be a magnetic SchrSdinger operator on L2(Rn), n≥ 2, where a := (a1, a2... an) ∈ r L1 loc(Rn) We establish the equivalent characteriza- L2 1oc(Rn, Rn) and 0 ≤ V ∈Lloc(Rn) tions of the Musielak-Orlicz-Hardy space HA,^(IRn), defined by the Lusin area function associated with {e-t2A}t〉0, in terms of the Lusin area function associated with {e-t√A}t〉0, the radial maximal functions and the non- tangential maximal functions associated with {e-t2A}t〉o and {e-t√A}t〉0, respectively. The boundedness of the Riesz transforms LkA-U1/2, k ∈ {1, 2... n}, from HA,φ(Rn) to Lφ(Rn) is also presented, where Lk is the closure of δ/δxk iak in L2(Rn). These results are new even when φ(x,t) := w(x)tp for all x ∈Rn and t∈ (0, +∞) with p ∈ (0, 1] and ω∈ A∞(Rn) (the class of Muckenhoupt weights on Rn).展开更多
基金supported by NSFC 11171203, S2011040004131STU Scientific Research Foundation for Talents TNF 10026+1 种基金supported by NSFC No.10990012,10926179RFDP of China No.200800010009
文摘Let L = -△Hn + V be a SchrSdinger operator on Heisenberg group Hn, where AHn is the sublaplacian and the nonnegative potential V belongs to the reverse HSlder class BQ/2 where Q is the homogeneous dimension of Hn. Let T1 = (--△Hn +V)-1V, T2 = (-△Hn +V)-1/2V1/2, and T3 = (--AHn +V)-I/2△Hn, then we verify that [b, Ti], i = 1, 2, 3 are bounded on some LP(Hn), where b ∈ BMO(Hn). Note that the kernel of Ti, i = 1, 2, 3 has no smoothness.
文摘Let φ be a growth function, and let A := -(V- ia). (V- ia)+ V be a magnetic SchrSdinger operator on L2(Rn), n≥ 2, where a := (a1, a2... an) ∈ r L1 loc(Rn) We establish the equivalent characteriza- L2 1oc(Rn, Rn) and 0 ≤ V ∈Lloc(Rn) tions of the Musielak-Orlicz-Hardy space HA,^(IRn), defined by the Lusin area function associated with {e-t2A}t〉0, in terms of the Lusin area function associated with {e-t√A}t〉0, the radial maximal functions and the non- tangential maximal functions associated with {e-t2A}t〉o and {e-t√A}t〉0, respectively. The boundedness of the Riesz transforms LkA-U1/2, k ∈ {1, 2... n}, from HA,φ(Rn) to Lφ(Rn) is also presented, where Lk is the closure of δ/δxk iak in L2(Rn). These results are new even when φ(x,t) := w(x)tp for all x ∈Rn and t∈ (0, +∞) with p ∈ (0, 1] and ω∈ A∞(Rn) (the class of Muckenhoupt weights on Rn).