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20182024
most citedRelative and absolute Lefschetz standard conjectures for some Lagrangian fibrations

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math.NT2024

Relative Lie algebra cohomology of SU(2,1) and Eisenstein classes on Picard surfaces

Jitendra Bajpai, Mattia Cavicchi

We consider Picard surfaces, locally symmetric varieties attached to the Lie group SU(2,1), and we construct explicit differential forms on representing Eisenstein clas…

math.NT2022

Bloch-Beilinson conjectures for Hecke characters and Eisenstein cohomology of Picard surfaces

Jitendra Bajpai, Mattia Cavicchi

We consider certain families of Hecke characters over a quadratic imaginary field . According to the Bloch-Beilinson conjectures, the order of vanishing of the -function…