Abstract
We prove that, similarly to the double-layer potential in \(\mathbb{R}^n \), the double-layer potential constructed in a Riemann manifold of nonpositive sectional curvature has a jump in passing through the surface where its density is defined.
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Bernats'ka, J.M. Behavior of the Double-Layer Potential for a Parabolic Equation on a Manifold. Ukrainian Mathematical Journal 55, 712–728 (2003). https://doi.org/10.1023/B:UKMA.0000010251.45236.9b
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DOI: https://doi.org/10.1023/B:UKMA.0000010251.45236.9b