Classical Potential Theory - Armitage, David H.; Gardiner, Stephen J.
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A long-awaited, updated introductory text by the world leaders in potential theory. This essential reference work covers all aspects of this major field of mathematical research, from basic theory and exercises to more advanced topological ideas. The largely self-contained presentation makes it basically accessible to graduate students.…mehr

Produktbeschreibung
A long-awaited, updated introductory text by the world leaders in potential theory. This essential reference work covers all aspects of this major field of mathematical research, from basic theory and exercises to more advanced topological ideas. The largely self-contained presentation makes it basically accessible to graduate students.
  • Produktdetails
  • Springer Monographs in Mathematics
  • Verlag: Springer, Berlin
  • Softcover reprint of the original 1st ed. 2001
  • Seitenzahl: 352
  • Erscheinungstermin: 4. Oktober 2012
  • Englisch
  • Abmessung: 235mm x 155mm x 18mm
  • Gewicht: 539g
  • ISBN-13: 9781447111160
  • ISBN-10: 1447111168
  • Artikelnr.: 36940062
Inhaltsangabe
1. Harmonic Functions.- 1.1. Laplace's equation.- 1.2. The mean value property.- 1.3. The Poisson integral for a ball.- 1.4. Harnack's inequalities.- 1.5. Families of harmonic functions: convergence properties.- 1.6. The Kelvin transform.- 1.7. Harmonic functions on half-spaces.- 1.8. Real-analyticity of harmonic functions.- 1.9. Exercises.- 2. Harmonic Polynomials.- 2.1. Spaces of homogeneous polynomials.- 2.2. Another inner product on a space of polynomials.- 2.3. Axially symmetric harmonic polynomials.- 2.4. Polynomial expansions of harmonic functions.- 2.5. Laurent expansions of harmonic functions.- 2.6. Harmonic approximation.- 2.7. Harmonic polynomials and classical polynomials.- 2.8. Exercises.- 3. Subharmonic Functions.- 3.1. Elementary properties.- 3.2. Criteria for subharmonicity.- 3.3. Approximation of subharmonic functions by smooth ones.- 3.4. Convexity and subharmonicity.- 3.5. Mean values and subharmonicity.- 3.6. Harmonic majorants.- 3.7. Families of subharmonic functions: convergence properties.- 3.8. Exercises.- 4. Potentials.- 4.1. Green functions.- 4.2. Potentials.- 4.3. The distributional Laplacian.- 4.4. The Riesz decomposition.- 4.5. Continuity and smoothness properties.- 4.6. Classical boundary limit theorems.- 4.7. Exercises.- 5. Polar Sets and Capacity.- 5.1. Polar sets.- 5.2. Removable singularity theorems.- 5.3. Reduced functions.- 5.4. The capacity of a compact set.- 5.5. Inner and outer capacity.- 5.6. Capacitable sets.- 5.7. The fundamental convergence theorem.- 5.8. Logarithmic capacity.- 5.9. Hausdorff measure and capacity.- 5.10. Exercises.- 6. The Dirichlet Problem.- 6.1. Introduction.- 6.2. Upper and lower PWB solutions.- 6.3. Further properties of PWB solutions.- 6.4. Harmonic measure.- 6.5. Negligible sets.- 6.6. Boundary behaviour.- 6.7. Behaviour near infinity.- 6.8. Regularity and the Green function.- 6.9. PWB solutions and reduced functions.- 6.10. Superharmonic extension.- 6.11. Exercises.- 7. The Fine Topology.-