研讨班报告

数论研讨班:p-adic Gelfand-Kapranov -Zelevinsky systems

发布时间:2019-01-16

中科院数学与系统科学研究院

数学研究所

 

数论研讨班

 

报告人:   扶 磊 教授(清华大学)

题  目:p-adic Gelfand-Kapranov -Zelevinsky systems

时  间:2019.01.16(星期三),17:00-18:00

地  点:数学院南楼N913室

摘  要:Using Dwork’s trace formula, we express the exponential sum associated to a Laurent polynomial as the trace of a chain map on a twisted de Rham complex for the torus over the p-adic field. Treating the coefficients of the polynomial as parameters, we obtain the p-adic Gelfand -Kapranov-Zelevinsky (GKZ) system, which is a complex of $D^{\dagger}$-modules with Frobenius structure.

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