Twisted GL\(_n\) loop group orbit and solutions of the WDVV equations (Q2729311)

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scientific article; zbMATH DE number 1622406
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Twisted GL\(_n\) loop group orbit and solutions of the WDVV equations
scientific article; zbMATH DE number 1622406

    Statements

    22 July 2001
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    Darboux-Egoroff system
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    multicomponent KP hierarchy
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    twisted loop group orbits
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    WDVV equations
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    Twisted GL\(_n\) loop group orbit and solutions of the WDVV equations (English)
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    The author considers a twisted \(\text{GL}_n\) loop group and its homogeneous space \(\text{gr}^{(2)}\) related to the infinite-dimensional Sato Grassmannian. It is shown that \(\tau\)-functions \(\tau_W\) associated to points \(W\in\text{gr}^{(2)}\) lead to solutions of the Darboux-Egoroff system as well as WDVV equations.
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