Research

I mainly work on log geometry, more precisely log abelian varieites, log p-divisible groups, Kummer log flat cohomology, and (log) 1-motives. I am also interested in p-adic Hodge theory and modular curves.

Publications:

[1] Tame stacks and log flat torsors. (With Jean Gillibert, accepted by Algebraic Geometry) arxiv.org/abs/1203.6870  2023.

[2] Log p-divisible groups associated to log 1-motives. (with Matti Würthen), Canad. J. Math First view 2023

[3] Comparison of kummer logarithmic topologies with classical topologies. J. Inst. Math. Jussieu, 22 (3): 1087–1117, 2023 DOI

[4] Extending tamely ramified strict 1-motives into ket log 1-motives. Forum Math. Sigma, 9: Paper No. e20, 34p, 2021. DOI

[5] Extending finite-subgroup schemes of semistable abelian varieties via log-abelian varieties. Kyoto J. Math., 60 (3): 895--910, 2020. DOI

[6] Degenerating abelian varieties via log abelian varieties. Asian J. Math., 22 (5): 811--839, 2018. DOI

[7] Log abelian varieties over a log points. Doc. Math., 22: 505--550, 2017. DOI


Preprints:

[1] Log prismatic Dieudonné theory for log p-divisible groups over O_K.  (With Matti Würthen), arxiv.org/abs/2310.15732 2023.

[2] Log p-divisible groups and semi-stable representations. (With Alessandra Bertapelle and Shanwen Wang) arxiv.org/abs/2302.11030 2023.

[3] The higher direct images of locally constant group schemes from the Kummer log flat topology to the classical flat topology. arxiv.org/abs/2301.08566 2022.

[4] Comparison of Kummer logarithmic topologies with classical topologies II. arxiv.org/abs/2108.03540 2021.


Ph. D. Theses