Ruprecht-Karls-Universität Heidelberg
Mathematisches Institut
Neuenheimer Feld 205 (R 3/327)
D-69120 Heidelberg
Tel.: (+49) 6221 54 14218
gbattiston AT mathi.uni-heidelberg.de
Research interests
Differential modules, algebraic geometry in positive characteristic, Tannakian categories, group schemes and representation theory.
Publications
- The homotopy sequence for regular singular stratified bundles
(with Lars Kindler.To be published in the Annali SNS, arXiv version)
- A theory of Galois descent for finite inseparable extensions
(Proceeding AMS 146 (2018), 69-83 arXiv version)
- The variation of the monodromy group in families of stratified bundles in positive characteristic
(pdf Documenta Math. 20 (2015) 65--87)
- The variation of the monodromy group in families of stratified bundles in positive characteristic (Thesis)
Preprints
- The normal hull and commutator group for nonconnected group schemes
(2018, arXiv:1803.06965)
- Gieseker conjecture for homogeneous spaces
(2016, arXiv:1612.02154)
- The base change of the monodromy group for geometric Tannakian pairs
(2016, arXiv:1601.06519)
Teaching:
WS 2018/19: I am organizing the exercises for "Mengentheoretische Topologie", tought by Denis Vogel
SS 2018: I am organizing the seminar "Klassische projektive Geometrie", mehr infos hier
WS 2016/17: I am organizing the seminar "Geometrie und kommutative Algebra", with Prof. Schmidt .
SS 2016: I am organizing the exercises classes for Algebra 2, tought by Denis Vogel.
Seminar
WS 2016/17: I am organizing the seminar of AG Schmidt over Deligne's paper "Le groupe fondamental de la droite projective[...]".
SS 2016: I organized the seminar of AG Schmidt over char(X)-desingularization after Temkin.
Interesting links
- How to write good papers in English, or rather how to write papers in good English, by Michael Cowling.
- Conferences in Algebraic Geometry, by Ravi Vakil.
- Conferences in Arithmetic Geometry, by Kiran Kedlaya.
Events
- Talk in Regensburg, July 2016 SFB-Seminar .
- Higher Dimensional Algebraic Geometry and Characteristic p (CIRM, September 12-16, 2016)
- p-adic Analytic Geometry and Differential Equations (CIRM, March 27-31, 2017)
- Talk in Trento, April 2017
- Talk in "Étale and motivic homotopy theory" ( Heidelberg , September 18-22, 2017)
- Talk in "Algebraic Geometry with “Fancy” Coefficients" (Caen, November 13-17,2017)
- Talk in "The Arithmetic of Derived Categories" (Trento, July 4-6,2018)
- "Non-Archimedean Geometry and Applications"(Oberwolfach, February 24-March 2, 2019)
Previously I was here, before then I did my PhD here.
Information Versus Knowledge remix by Ron Letkeman (Inspired by Hugh MacLeod)
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