Quantitative uniqueness for second order elliptic operators with strongly singular coefficients

Ching Lung Lin, Gen Nakamura, Jenn Nan Wang

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

In this paper we study the local behavior of a solution to second order elliptic operators with sharp singular coefficients in lower order terms. One of the main results is the bound on the vanishing order of the solution, which is a quantitative estimate of the strong unique continuation property. Our proof relies on Carleman estimates with carefully chosen phases. A key strategy in the proof is to derive doubling inequalities via three-sphere inequalities. Our method can also be applied to certain elliptic systems with similar singular coefficients.

Original languageEnglish
Pages (from-to)475-491
Number of pages17
JournalRevista Matematica Iberoamericana
Volume27
Issue number2
DOIs
Publication statusPublished - 2011

All Science Journal Classification (ASJC) codes

  • Mathematics(all)

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