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Когомологические аспекты геометрии дифференциальных уравнений
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Тождество Фея: от Математической Физики через Геометрию к Теории Чисел В. Н. Рубцов |
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Аннотация: We give a survey of various avatars of the trisecant Fay identity which appear in the context of Integrable systems (as forms of the Associative Yang-Baxter Equation) and as conditions on generating functions for period polynomials of (quasi-)modular forms and group cocycle conditions for some multiparametric modular groups. |
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