Abstract
From the symmetries contained in the collection of excessive functions of a transient Hunt process $X(t)$ on a state space $E$, we construct a quotient space $F$, a function $\Phi: E \rightarrow F$ and a time change $\tau(t)$ of $X(t)$ so that $\Phi(X(\tau_t))$ is a strong Markov process.
Citation
Joseph Glover. Joanna Mitro. "Symmetries and Functions of Markov Processes." Ann. Probab. 18 (2) 655 - 668, April, 1990. https://doi.org/10.1214/aop/1176990851
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