formal power series

(redirected from Formal Laurent series)

formal power series

[¦fȯr·məl ′pau̇·ər ‚sir·ēz]
(mathematics)
A power series whose convergence is disregarded, but which is subject to the operations of addition and multiplication with other such series.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The methodology [Gil, 1995] that underlies this proposal is based on a generalization of the PA for formal Laurent series [Bultheel, 1987].
The fifth section presents a generalization of the PA for formal Laurent series and its application to TF models with expectations.
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