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The Regularity of General Parabolic Systems with Degenerate Diffusion
 
Verena Bögelein University of Erlangen Nuremberg, Erlangen, Germany
Frank Duzaar University of Erlangen Nuremberg, Erlangen, Germany
Giuseppe Mingione University of Parma, Parma, Italy
Front Cover for The Regularity of General Parabolic Systems with Degenerate Diffusion
Available Formats:
Electronic ISBN: 978-0-8218-9465-1
Product Code: MEMO/221/1041.E
List Price: $76.00
MAA Member Price: $68.40
AMS Member Price: $45.60
Front Cover for The Regularity of General Parabolic Systems with Degenerate Diffusion
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  • Front Cover for The Regularity of General Parabolic Systems with Degenerate Diffusion
  • Back Cover for The Regularity of General Parabolic Systems with Degenerate Diffusion
The Regularity of General Parabolic Systems with Degenerate Diffusion
Verena Bögelein University of Erlangen Nuremberg, Erlangen, Germany
Frank Duzaar University of Erlangen Nuremberg, Erlangen, Germany
Giuseppe Mingione University of Parma, Parma, Italy
Available Formats:
Electronic ISBN:  978-0-8218-9465-1
Product Code:  MEMO/221/1041.E
List Price: $76.00
MAA Member Price: $68.40
AMS Member Price: $45.60
  • Book Details
     
     
    Memoirs of the American Mathematical Society
    Volume: 2212013; 143 pp
    MSC: Primary 35;

    The aim of the paper is twofold. On one hand the authors want to present a new technique called \(p\)-caloric approximation, which is a proper generalization of the classical compactness methods first developed by DeGiorgi with his Harmonic Approximation Lemma. This last result, initially introduced in the setting of Geometric Measure Theory to prove the regularity of minimal surfaces, is nowadays a classical tool to prove linearization and regularity results for vectorial problems. Here the authors develop a very far reaching version of this general principle devised to linearize general degenerate parabolic systems. The use of this result in turn allows the authors to achieve the subsequent and main aim of the paper, that is, the implementation of a partial regularity theory for parabolic systems with degenerate diffusion of the type \(\partial_t u - \mathrm{div} a(Du)=0\), without necessarily assuming a quasi-diagonal structure, i.e. a structure prescribing that the gradient non-linearities depend only on the the explicit scalar quantity.

  • Table of Contents
     
     
    • Chapters
    • 1. Introduction and Results
    • 2. Technical preliminaries
    • 3. Tools for the $p$-caloric approximation
    • 4. The $p$-caloric approximation lemma
    • 5. Caccioppoli and Poincaré type inequalities
    • 6. Approximate $\mathcal A$-caloricity and $p$-caloricity
    • 7. DiBenedetto & Friedman regularity theory revisited
    • 8. Partial gradient regularity in the case $p>2$
    • 9. The case $p<2$
    • 10. Partial Lipschitz continuity of $u$
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Volume: 2212013; 143 pp
MSC: Primary 35;

The aim of the paper is twofold. On one hand the authors want to present a new technique called \(p\)-caloric approximation, which is a proper generalization of the classical compactness methods first developed by DeGiorgi with his Harmonic Approximation Lemma. This last result, initially introduced in the setting of Geometric Measure Theory to prove the regularity of minimal surfaces, is nowadays a classical tool to prove linearization and regularity results for vectorial problems. Here the authors develop a very far reaching version of this general principle devised to linearize general degenerate parabolic systems. The use of this result in turn allows the authors to achieve the subsequent and main aim of the paper, that is, the implementation of a partial regularity theory for parabolic systems with degenerate diffusion of the type \(\partial_t u - \mathrm{div} a(Du)=0\), without necessarily assuming a quasi-diagonal structure, i.e. a structure prescribing that the gradient non-linearities depend only on the the explicit scalar quantity.

  • Chapters
  • 1. Introduction and Results
  • 2. Technical preliminaries
  • 3. Tools for the $p$-caloric approximation
  • 4. The $p$-caloric approximation lemma
  • 5. Caccioppoli and Poincaré type inequalities
  • 6. Approximate $\mathcal A$-caloricity and $p$-caloricity
  • 7. DiBenedetto & Friedman regularity theory revisited
  • 8. Partial gradient regularity in the case $p>2$
  • 9. The case $p<2$
  • 10. Partial Lipschitz continuity of $u$
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