2014
DOI: 10.48550/arxiv.1412.7211
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Quantizations of multiplicative hypertoric varieties at a root of unity

Iordan Ganev

Abstract: We construct quantizations of multiplicative hypertoric varieties using an algebra of qdifference operators on affine space, where q is a root of unity in C. The quantization defines a matrix bundle (i.e. Azumaya algebra) over the multiplicative hypertoric variety and admits an explicit finite étale splitting. The global sections of this Azumaya algebra is a hypertoric quantum group, and we prove a localization theorem. We introduce a general framework of Frobenius quantum moment maps and their Hamiltonian red… Show more

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Cited by 3 publications
(3 citation statements)
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“…. = ǫ N = ǫ for a root of unity ǫ = 1 and χ(e i , e l ) = ǫ m il for some m il ∈ Z was previously obtained by Ganev [17] and Cooney [12]. The special case of Theorem 6.2(a) when k = 1 was obtained in [21].…”
Section: Equivalent Characterizations Of the Equality In Corollary 51(c)mentioning
confidence: 78%
“…. = ǫ N = ǫ for a root of unity ǫ = 1 and χ(e i , e l ) = ǫ m il for some m il ∈ Z was previously obtained by Ganev [17] and Cooney [12]. The special case of Theorem 6.2(a) when k = 1 was obtained in [21].…”
Section: Equivalent Characterizations Of the Equality In Corollary 51(c)mentioning
confidence: 78%
“…The proofs of our main results are rooted in a collection of beautiful ideas emerging from the literature on quantum groups and geometric representation theory, most notably the seminal paper [BFG06] where the Hamiltonian reduction of Azumaya algebras in characteristic p was first carried out for differential operators with applications to Cherednik algebras, and [VV10], where a q-analog was developed to study q-difference operators and double affine Hecke algebras at roots of unity. Similar techniques were used in the study of hypertoric varieties in positive characteristic [Sta13], and of their q-analogs, quantum multiplicative hypertoric varieties [Gan18].…”
Section: Main Results: Methods and General Resultsmentioning
confidence: 99%
“…Quantized Weyl algebras. The quantized Weyl algebras and their generalizations have been studied from many different points of view: quantum groups and Hecke type quantizations [20,30], structure of prime spectra and representations [6,21,22,27], automorphism and isomorphism problems [3,16,23,28,33,34], homological and ring theoretic dimensions [15], quantizations of multiplicative hypertoric varieties [12,18] and others. Most of these results concern the generic case when the algebras are not polynomial identity (PI).…”
mentioning
confidence: 99%