Abstract
Using the first eigenvalue/eigenvector pair of a singular eigenvalue problem (motivated by the Dirichlet eigenvalue problem for the Laplace-Beltrami operator on a spherical cap), we define certain nonnegative p-superharmonic and p-subharmonic functions on a convex cone which are singular at the vertex and vanish on the rest of the boundary. We use these functions to give upper and lower estimates of the p-harmonic measure near the vertex of the cone as well as the p-harmonic measure of a small spherical cap.
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DeBlassie, D., Smits, R.G. The p-Harmonic Measure of Small Axially Symmetric Sets. Potential Anal 49, 583–608 (2018). https://doi.org/10.1007/s11118-017-9668-0
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DOI: https://doi.org/10.1007/s11118-017-9668-0
Keywords
- p-harmonic measure
- Aronsson function
- Convex cone
- Dirichlet eigenvalues of small spherical caps
- Singular Sturm-Liouville problems