Abstract：For a del Pezzo surface of degree ≥ 3, we compute the oscillatory integral for its mirror Landau Ginzburg model in the sense of the Gross-Siebert program. We explicitly construct the mirror cycle of a line bundle and show that the leading order of the integral on this cycle involves the twisted Chern character and the Gamma class. It proves a mirror symmetric version of the Gamma con...
SpeakerRobin ZhangMassachusetts Institute of TechnologyI am an NSF Postdoctoral Fellow at MIT. I received my PhD from Columbia University under the supervision of Michael Harris in May 2023.My main research interests are in number theory, automorphic representations, and Diophantine geometry. In particular:• Special values of L-functions• Restriction problems• Rational, torsion, and periodic...
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