论文信息 - Innovations and Wold decompositions of stable sequences

Innovations and Wold decompositions of stable sequences

SummaryFor symmetric stable sequences, notions of innovation and Wold decomposition are introduced, characterized, and their ramifications in prediction theory are discussed. As the usual covariance orthogonality is inapplicable, the non-symmetric James orthogonality is used. This leads to right and left innovations and Wold decompositions, which are related to regression prediction and least pth moment prediction, respectively. Independent innovations and Wold decompositions are also characterized; and several examples illustrating the various decompositions are presented.

Stamatis Cambanis | Aleksander Weron | Clyde D. Hardin

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