Document Type

Article

Publication Date

6-3-2019

Abstract

We investigate the doubling inequality and nodal sets for the solutions of bi-Laplace equations. A polynomial upper bound for the nodal sets of solutions and their gradient is obtained based on the recent development of nodal sets for Laplace eigenfunctions by Logunov. In addition, we derive an implicit upper bound for the nodal sets of solutions. We show two types of doubling inequalities for the solutions of bi-Laplace equations. As a consequence, the rate of vanishing is given for the solutions.

Publication Source (Journal or Book title)

Archive for Rational Mechanics and Analysis

First Page

1543

Last Page

1595

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