scholarly journals Spectral stability estimates of Dirichlet divergence form elliptic operators

2020 ◽  
Vol 10 (4) ◽  
Author(s):  
Vladimir Gol’dshtein ◽  
Valerii Pchelintsev ◽  
Alexander Ukhlov
Keyword(s):  
Divergence Form ◽  
Elliptic Operators ◽  
Spectral Stability ◽  
Stability Estimates

scholarly journals Nontangential Estimates on Layer Potentials and the Neumann Problem for Higher-Order Elliptic Equations

2020 ◽  
Author(s):  
Ariel Barton ◽  
Steve Hofmann ◽  
Svitlana Mayboroda
Keyword(s):  
Neumann Problem ◽  
Elliptic Equations ◽  
Divergence Form ◽  
Higher Order ◽  
Elliptic Operators ◽  
Layer Potentials ◽  
The Neumann Problem

Abstract We solve the Neumann problem, with nontangential estimates, for higher-order divergence form elliptic operators with variable $t$-independent coefficients. Our results are accompanied by nontangential estimates on higher-order layer potentials.

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