Additional symmetries of the dispersionless extended noncommutative Gelfand–Dickey hierarchy
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DOI: 10.1142/s0219887821501450
Abstract: This paper aims at additional symmetries of the unextended and extended, commutative and noncommutative dispersionless Gelfand–Dickey (dGD) hierarchies. Being similar to the Lax formalism of the Gelfand–Dickey (GD) hierarchy, we construct the function [Formula: see… read more here.
Keywords: additional symmetries; dispersionless extended; gelfand dickey; gelfand ... See more keywords