On a Ring of Formal Pseudo-differential Operators

Abstract

We study the notion of non-commumative higher dimensional local fields. A simplest example is the ring P of formal pseudo- differential operators. As an application we extend the KP hierarchy to the space $P^n$.

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Cited by in corpus (15)

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• Generalized KP Hierarchy for Several Variables
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• Invitation to higher local fields, Part II, section 8: Higher local skew fields
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