Gebhard Martin
Mathematisches Institut
Universität Bonn
Endenicher Allee 60
53115 Bonn
Tel.: +49 (0)228 73 62267
Mail: gmartin
Raum: 1.041
Teaching
Summer 2024:
Winter 2023/24:
Summer 2023:
Winter 2022/23:
Summer 2022:
Winter 2021/22:
Summer 2021:
- Finite Group Schemes
- Algebraic Geometry 2 (Assistant)
Winter 2020/21:
- Algebraic Geometry 1 (Assistant)
- Grundzüge der Mathematik 1 (Assistant)
Summer 2019:
- Linear Algebra 2 (Assistant)
Winter 2018/19:
- Linear Algebra 1 (Assistant)
Summer 2018:
- Algebra 1 (Assistant)
Articles and Preprints
- Nodal Enriques surfaces are Reye congruences (with G. Mezzedimi and D. Veniani), Accepted for publication in Journal für die reine und angewandte Mathematik (Crelle) , 16 pages
- Bounding geometrically integral del Pezzo surfaces (with F. Bernasconi), 26 pages
- Automorphisms of del Pezzo surfaces in odd characteristic (with I. Dolgachev), Accepted for publication in Journal of the London Mathematical Society , 35 pages
- Automorphisms of del Pezzo surfaces in characteristic 2 (with I. Dolgachev), Accepted for publication in Algebra & Number Theory , 44 pages
- RDP del Pezzo surfaces with global vector fields in odd characteristic (with C. Stadlmayr),
Accepted for publication in Algebraic Geometry , 33 pages - Enriques surfaces of non-degeneracy 3 (with G. Mezzedimi and D. Veniani),
Accepted for publication in Journal of the European Mathematical Society , 24 pages - On extra-special Enriques surfaces (with G. Mezzedimi and D. Veniani),
Mathematische Annalen Volume 387, Number 1-2, 133--143 - Torsors over the Rational Double Points in Characteristic p (with C. Liedtke and Y. Matsumoto), Accepted for publication in Astérisque , 76 pages
- Linearly Reductive Quotient Singularities (with C. Liedtke and Y. Matsumoto), Accepted for publication in Astérisque , 51 pages
- Automorphism groups of rational elliptic and quasi-elliptic surfaces in all characteristics (with I. Dolgachev),
Advances in Mathematics Volume 400, 14 May 2022, 108274 - Automorphism schemes of (quasi-)bielliptic surfaces ,
Épijournal de Géométrie Algébrique , Volume 6 (2022), Article no. 9 - Weak del Pezzo surfaces with global vector fields (with C. Stadlmayr),
Accepted for publication in Geometry & Topology , 50 pages - Infinitesimal automorphisms of algebraic varieties and vector fields on elliptic surfaces ,
Algebra & Number Theory Volume 16, Number 7 (2022), pp. 1655–-1704. - Automorphisms of unnodal Enriques surfaces, 22 pages
- Numerically trivial automorphisms of Enriques surfaces in characteristic 2 (with I. Dolgachev),
J. Math. Soc. Japan Volume 71, Number 4 (2019), 1181--1200. - Classification of Enriques surfaces with finite automorphism group in characteristic 2 (with T. Katsura and S. Kondo),
Algebraic Geometry Volume 7, Issue 4 (July 2020), 390--459. - Enriques surfaces with finite automorphism group in positive characteristic,
Algebraic Geometry Volume 6, Issue 5 (September 2019), 592--649.
Aktuelles
Bonner Mathematik schneidet bei QS-Ranking wieder hervorragend ab
Stefan Schwede eingeladener Sprecher auf dem ECM 2024 in Sevilla
Cole Prize für Jessica Fintzen
Regula Krapf erhält Lehrpreis der Universität
Catharina Stroppel in Nordrhein-Westfälische Akademie der Wissenschaften und Künste aufgenommen.
Daniel Huybrechts erhält Compositio Prize für die Periode 2017-2019
Catharina Stroppel erhält Gottfried Wilhelm Leibniz-Preis 2023
Stipendien für Mathematikstudierende aus der Ukraine
Jessica Fintzen erhält einen Whitehead Prize der London Mathematical Society