Conjugacy Classes in Loop Groups and G-Bundles on Elliptic Curves
نویسندگان
چکیده
Let C[[z]] be the ring of formal power series and C((z)) the field of formal Laurent power series, the field of fractions of C[[z]]. Given a complex algebraic group G, we will write G((z)) for the group of C((z))-rational points of G, thought of as a formal “loop group,” and a(z) for an element of G((z)). Let q be a fixed nonzero complex number. Define a “twisted” conjugation action of G((z)) on itself by the formula
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