On nonemptiness of Newton strata in the B_dR⁺-Grassmannian for GSp_2n

2022/11/10 by Hong, Serin
#Algebraic Geometry (math.AG) #FOS: Mathematics #Number Theory (math.NT)

paper · doi:10.48550/arxiv.2211.05807

Abstract

We build upon our previous work to study the Newton stratification on the B_dR⁺-Grassmannian for GSp_2n. Our main result gives an explicit classification of all nonempty Newton strata associated to a Frobenius-conjugacy class satisfying certain conditions on the Newton polygon.

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