The Second-Order Riesz Transforms Related to Schrödinger Operators Acting on BMO Type Spaces on the Stratified Lie Group

Vietnam Journal of Mathematics - Tập 46 - Trang 629-651 - 2018
Nguyen Ngoc Trong1,2, Le Xuan Truong3
1Department of Primary Education, University of Pedagogy Ho Chi Minh City, Ho Chi Minh City, Vietnam
2Department of Mathematics and Computer Science, University of Natural Science Ho Chi Minh City, Ho Chi Minh City, Vietnam
3Department of Mathematics and Statistics, University of Economics Ho Chi Minh City, Ho Chi Minh City, Vietnam

Tóm tắt

Let $\mathcal {L}=-{\Delta } + V$ be a Schrödinger operator on stratified Lie group G, where V is a nonnegative potential satisfying the suitable reverse Hölder’s inequality. In this paper, we study the boundedness of the second-order Riesz transforms such as $\mathcal {L}^{-1} \nabla ^{2}$ and $\mathcal {L}^{-1}(-{\Delta })$ on the spaces of BMO type for weighted case. We generalized the known results to the weighted case and the case of the stratified Lie group. So our results are new, even in the case $\mathbb {R}^{n}$ , and they have some interest in its own right.

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