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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Gamma functions, monodromy and Apéry constants
Gamma functions, monodromy and Apéry constantsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact INI IT. This talk has been canceled/deleted In their paper on the gamma conjecture in mirror symmetry, Golyshev and Zagier introduce a sequence of Apéry constants associated to an ordinary linear differential operator with a choice of two singular points and a path between them. Their setting also involves assumptions on the local monodromies around the two points (maximally unipotent and reflection point respectively). In particular, these assumptions are satisfied in the situation of Apéry's proof of irrationality of zeta(3), and in this case Golyshev and Zagier discover that (numerically, with high precision) the higher constants in the sequence seem to be rational linear combinations of weighted products of zeta and multiple zeta values. In the joint work with Spencer Bloch we show that, quite generally, the generating series of Apéry constants is a Mellin transform of a solution of the adjoint differential operator. This peculiar property explains why Apéry constants of geometric differential operators are periods, which seems to be the first step in the study of their motivic nature. This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:This talk is not included in any other list Note that ex-directory lists are not shown. |
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