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An inhomogeneous Lax representation for the Hirota equation
Published 21 Sep 2016 in math-ph, hep-th, and math.MP | (1609.06761v2)
Abstract: Motivated by recent work on quantum integrable models without U(1) symmetry, we show that the sl(2) Hirota equation admits a Lax representation with inhomogeneous terms. The compatibility of the auxiliary linear problem leads to a new consistent family of Hirota-like equations.
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