Abstract
We study the Dirichlet problem at infinity for \(\mathcal A\)-harmonic functions on a Cartan–Hadamard manifold M and give a sufficient condition for a point at infinity x 0∈M(∞) to be \(\mathcal A\)-regular. This condition is local in the sense that it only involves sectional curvatures of M in a set U∩M, where U is an arbitrary neighborhood of x 0 in the cone topology. The results apply to the Laplacian and p-Laplacian, 1<p<∞, as special cases.
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Vähäkangas, A. Dirichlet Problem at Infinity for \(\mathcal A\)-Harmonic Functions. Potential Anal 27, 27–44 (2007). https://doi.org/10.1007/s11118-007-9051-7
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DOI: https://doi.org/10.1007/s11118-007-9051-7