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.
References in periodicals archive ?
At the same time, we address the related question: when is the universal cover of a p-adic variety a perfectoid space we expect a connection between this question and the shafarevich conjecture and varieties with large fundamental group.the last part of the project deals with varieties over the field of formal laurent series over c, where we want to construct a betti homotopy realization using logarithmic geometry.
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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