## Statistics of Random Processes: I. General TheoryAt the end of 1960s and the beginning of 1970s, when the Russian version of this book was written, the 'general theory of random processes' did not operate widely with such notions as semimartingale, stochastic integral with respect to semimartingale, the ItO formula for semimartingales, etc. At that time in stochastic calculus (theory of martingales), the main object was the square integrable martingale. In a short time, this theory was applied to such areas as nonlinear filtering, optimal stochastic control, statistics for diffusion type processes. In the first edition of these volumes, the stochastic calculus, based on square integrable martingale theory, was presented in detail with the proof of the Doob-Meyer decomposition for submartingales and the description of a structure for stochastic integrals. In the first volume ('General Theory') these results were used for a presentation of further important facts such as the Girsanov theorem and its generalizations, theorems on the innovation pro cesses, structure of the densities (Radon-Nikodym derivatives) for absolutely continuous measures being distributions of diffusion and ItO-type processes, and existence theorems for weak and strong solutions of stochastic differential equations. All the results and facts mentioned above have played a key role in the derivation of 'general equations' for nonlinear filtering, prediction, and smoothing of random processes. |

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### Contents

II | 11 |

III | 20 |

IV | 25 |

V | 30 |

VI | 34 |

VII | 39 |

VIII | 45 |

IX | 47 |

XXVIII | 251 |

XXIX | 257 |

XXX | 271 |

XXXI | 273 |

XXXII | 279 |

XXXIII | 286 |

XXXIV | 297 |

XXXV | 299 |

### Other editions - View all

Statistics of Random Processes: I. General Theory Robert Liptser,Albert N. Shiryaev Limited preview - 2013 |

Statistics of Random Processes I: General Theory R.S. Liptser,A.N. Shiryaev No preview available - 2012 |

Statistics of Random Processes: I. General Theory Robert Liptser,Albert N. Shiryaev No preview available - 2010 |

### Common terms and phrases

a-algebra absolute continuity according to Theorem assumed assumption bounded Brownian motion conditional expectation conditional mathematical expectation conditional probability Consequently consider continuous function continuous P-a.s convergence Corollary cr-algebras decomposition deduce defined definition Denote density diffusion type estimate example exists fids follows Fubini theorem Hence independent inequality It(f Ito formula Ito process linear Liptser Markov processes Math matrix mean square measurable function measurable random Mexp nonanticipative functional nondecreasing family nonlinear filtering nonnegative notation obtain predictable increasing process probability space problems progressively measurable proof of Theorem properties proving R.S. and Shiryaev random process random variable sequence Shiryaev simple functions solution of Equation square integrable martingale stochastic differential equations stochastic integrals strong solution submartingale supermartingale system of equations t,Ft Theorem 8.1 theory tion uniformly integrable unique vector Wiener process Wt,Ft xn,Fn xt,Ft zero

### Popular passages

Page 1 - Therefore, the solution of the problem of optimal (in the mean square sense) filtering is reduced to finding the conditional (mathematical) expectation mt = M(0t|.7f ). In principle, the conditional expectation M(6t\^ ) can be computed by the Bayes formula.

### References to this book

Controlled Markov Processes and Viscosity Solutions Wendell H. Fleming,Halil Mete Soner No preview available - 2006 |

Stochastic Approximation and Recursive Algorithms and Applications Harold Kushner,G. George Yin No preview available - 2003 |