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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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On the innovation theorem
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by T. F. Lin PDF
Proc. Amer. Math. Soc. 65 (1977), 338-341 Request permission

Abstract:

Let $z(t),0 \leqslant t \leqslant T$, be the signal process and $y(t) = \smallint _0^tz(r)\;dr + w(t)$ be the observation process where $w(t)$ is a process of independent increments. It is shown that, under certain conditions, the innovation process $v(t) = y(t) - \smallint _0^tE(z(r)|y(u), 0 \leqslant u \leqslant r)\;dr$, has the same probability law as $w(t)$.
References
  • Adrian Segall and Thomas Kailath, The modeling of randomly modulated jump processes, IEEE Trans. Inform. Theory IT-21 (1975), 135–143. MR 366484, DOI 10.1109/tit.1975.1055359
  • P. A. Frost, Estimation and detection for a simple class of conditionally independent increment processes, Proc. IEEE Decision and Control Conf., 1971.
  • Masatoshi Fujisaki, G. Kallianpur, and Hiroshi Kunita, Stochastic differential equations for the non linear filtering problem, Osaka Math. J. 9 (1972), 19–40. MR 336801
  • Thomas Kailath and Paul Frost, An innovations approach to least-squares estimation. II. Linear smoothing in additive white noise, IEEE Trans. Automatic Control AC-13 (1968), 655–660. MR 0309258, DOI 10.1109/tac.1968.1099019
  • —, Some extensions of the innovation theorem, Bell System Tech. J. 50 (1971), 1487-1494.
  • Thomas Kailath, A note on least squares estimation by the innovations method, SIAM J. Control 10 (1972), 477–486. MR 0317498
  • Anders Lindquist, Optimal filtering of continuous-time stationary processes by means of the backward innovation process, SIAM J. Control 12 (1974), 747–754. MR 0411789
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Additional Information
  • © Copyright 1977 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 65 (1977), 338-341
  • MSC: Primary 60J30; Secondary 60G35
  • DOI: https://doi.org/10.1090/S0002-9939-1977-0461679-9
  • MathSciNet review: 0461679