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VI: 05, 90-97, LNM 258 (1972)
CHUNG, Kai Lai
On universal field equations (General theory of processes)
There is a pun in the title, since ``field'' here is a $\sigma$-field and not a quantum field. The author proves useful results on the $\sigma$-fields ${\cal F}_{T-}$ and ${\cal F}_{T+}$ associated with an arbitrary random variable $T$ in the paper of Chung-Doob, Amer. J. Math., 87, 1965. As a corollary, he can prove easily that for a Hunt process, accessible = previsible
Keywords: Filtrations
Nature: Original
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