scholarly journals Wavelets, Sobolev Multipliers, and Application to Schrödinger Type Operators with Nonsmooth Potentials

2013 ◽  
Vol 2013 ◽  
pp. 1-22
Author(s):  
Pengtao Li ◽  
Qixiang Yang ◽  
Yueping Zhu

We employ Meyer wavelets to characterize multiplier spaceXr,pt(ℝn)without using capacity. Further, we introduce logarithmic Morrey spacesMr,pt,τ(ℝn)to establish the inclusion relation between Morrey spaces and multiplier spaces. By fractal skills, we construct a counterexample to show that the scope of the indexτofMr,pt,τ(ℝn)is sharp. As an application, we consider a Schrödinger type operator with potentials inMr,pt,τ(ℝn).

Author(s):  
Yu Liu ◽  
Youzheng Ding

We consider the Schrödinger-type operatorH=(−Δ)2+V2, where the nonnegative potentialVbelongs to the reverse Hölder classBq1forq1≥n/2,  n≥5. TheLpestimates of the operator∇4H−1related toHare obtained whenV∈Bq1and1<p≤q1/2. We also obtain the weak-type estimates of the operator∇4H−1under the same condition ofV.


2014 ◽  
Vol 07 (02) ◽  
pp. 1450026
Author(s):  
Lanzhe Liu

In this paper, we establish the weighted sharp maximal function estimates for the Toeplitz type operators associated to some integral operators and the weighted Lipschitz and BMO functions. As an application, we obtain the boundedness of the Toeplitz type operators on weighted Lebesgue and Morrey spaces. The operator includes Littlewood–Paley operator, Marcinkiewicz operator and Bochner–Riesz operator.


2018 ◽  
Vol 168 ◽  
pp. 27-31
Author(s):  
Hendra Gunawan ◽  
Denny Ivanal Hakim ◽  
Eiichi Nakai ◽  
Yoshihiro Sawano

2020 ◽  
Vol 25 (2) ◽  
pp. 671-690 ◽  
Author(s):  
Vagif S. Guliyev ◽  
◽  
Ramin V. Guliyev ◽  
Mehriban N. Omarova ◽  
Maria Alessandra Ragusa ◽  
...  

1997 ◽  
Vol 12 (01) ◽  
pp. 295-298 ◽  
Author(s):  
P. E. Zhidkov

In this note, a recent rigorous author's result on the completeness in the space L2 of the system of eigenfunctions of a nonlinear Schrödinger-type operator is established (without proof).


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