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Noncommutative Hilbert
modular symbols
Ivan Horozov |
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Vol. 9 (2015), No. 2, 317–370
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Abstract |
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The main goal of this paper is to construct noncommutative Hilbert modular symbols. However, we also construct commutative Hilbert modular symbols. Both the commutative and the noncommutative Hilbert modular symbols are generalizations of Manin’s classical and noncommutative modular symbols. We prove that many cases of (non)commutative Hilbert modular symbols are periods in the Kontsevich–Zagier sense. Hecke operators act naturally on them. Manin defined the noncommutative modular symbol in terms of iterated path integrals. In order to define noncommutative Hilbert modular symbols, we use a generalization of iterated path integrals to higher dimensions, which we call iterated integrals on membranes. Manin examined similarities between noncommutative modular symbol and multiple zeta values in terms of both infinite series and of iterated path integrals. Here we examine similarities in the formulas for noncommutative Hilbert modular symbol and multiple Dedekind zeta values, recently defined by the current author, in terms of both infinite series and iterated integrals on membranes. |
Keywords
modular symbols, Hilbert modular groups, Hilbert modular
surfaces, iterated integrals
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Mathematical Subject Classification 2010
Primary: 11F41
Secondary: 11F67, 11M32
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Milestones
Received: 22 August 2013
Revised: 17 September 2014
Accepted: 26 November 2014
Published: 5 March 2015
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Authors |
| Ivan Horozov | |
| Department of Mathematics Washington University in St. Louis One Brookings Drive Campus Box 1146 Saint Louis, MO 63130 United States |
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