Abstract
SupposeX is a Borel right process andm is a σ-finite excessive measure forX. Given a positive measure μ not chargingm-semipolars we associate an exact multiplicative functionalM(μ). No finiteness assumptions are made on μ. Given two such measures μ and ν,M(μ)=M(ν) if and only if μ and ν agree on all finely open measurable sets. The equation (q−L)u+uμ=f whereL is the generator of (a subprocess of)X may be solved for appropriatef by means of the Feynman-Kac formula based onM(μ). Both uniqueness and existence are considered.
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Supported in part by NSF Grant DMS 92-24990.
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Getoor, R.K. Measures not charging semipolars and equations of schrödinger type. Potential Anal 4, 79–100 (1995). https://doi.org/10.1007/BF01048968
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DOI: https://doi.org/10.1007/BF01048968