Kasteleyn operators from mirror symmetry
Kasteleyn operators from mirror symmetry
复制标题
镜像对称的 Kasteleyn 算子
DOI:
10.1007/s00029-019-0506-7
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Zaslow, Eric
中科院分区:
文献类型:
--
作者:
Treumann, David;Williams, Harold;Zaslow, Eric
Given a consistent bipartite graphinwith a complex-valued edge weightingwe show the following two constructions are the same. The first is to form the Kasteleyn operator ofand pass to its spectral transform, a coherent sheaf supported on a spectral curve in. The second is to form the conjugate Lagrangianof, equip it with a brane structure prescribed by, and pass to its mirror coherent sheaf. This lives on a stacky toric compactification ofdetermined by the Legendrian link which lifts the zig-zag paths of(and to which the noncompact LagrangianLis asymptotic). We work in the setting of the coherent–constructible correspondence, a sheaf-theoretic model of toric mirror symmetry. We also show that tensoring with line bundles on the compactification is mirror to certain Legendrian autoisotopies of the asymptotic boundary ofL.
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