Abstract
So far, we have been treating the symbol \(q(x,\xi)\) of (the generator of) a Feller process X as an analytic object. On the other hand, Theorem 11.13 indicates, that there should be some probabilistic consequences. In this chapter we want to follow this lead, show a probabilistic method to calculate the symbol and link it to the semimartingale characteristics of a Feller process.
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