Gradient estimates for solutions to divergence form elliptic equations with discontinuous coefficients

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Abstract

In this paper we derive global W1,∞ and piecewise C1,α estimates for solutions to divergence form elliptic equations with piecewise Hölder continuous coefficients. The novelty of these estimates is that, even though they depend on the shape and on the size of the surfaces of discontinuity of the coefficients, they are independent of the distance between these surfaces.

Original languageEnglish (US)
Pages (from-to)91-151
Number of pages61
JournalArchive For Rational Mechanics And Analysis
Volume153
Issue number2
DOIs
StatePublished - Jun 20 2000

All Science Journal Classification (ASJC) codes

  • Analysis
  • Mathematics (miscellaneous)
  • Mechanical Engineering

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