G. Martin

activity

20172023

most citedInfinitesimal automorphisms of algebraic varieties and vector fields on elliptic surfaces

14 citations · 51 across the 17 of their papers we have counts for

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Showing 2017Show all

3 papers · 1 filter

math.AG2017★ 8 cited

Numerically trivial automorphisms of Enriques surfaces in characteristic $2$

Igor Dolgachev, Gebhard Martin

An automorphism of an algebraic surface $S$ is called cohomologically (numerically) trivial if it acts identically on the second $l$ -adic cohomology group (this group modulo torsio…

math.AG2017

Enriques surfaces with finite automorphism group in positive characteristic

Gebhard Martin

We classify Enriques surfaces with smooth K3 cover and finite automorphism group in arbitrary positive characteristic. The classification is the same as over the complex numbers ex…

math.AG2017★ 1 cited

Classification of Enriques surfaces with finite automorphism group in characteristic 2

Toshiyuki Katsura, Shigeyuki Kondo, Gebhard Martin

We classify supersingular and classical Enriques surfaces with finite automorphism group in characteristic 2 into 8 types according to their dual graphs of all $(- 2)$ -curves (nonsi…

Numerically trivial automorphisms of Enriques surfaces in characteristic 2

Enriques surfaces with finite automorphism group in positive characteristic

Classification of Enriques surfaces with finite automorphism group in characteristic 2

Numerically trivial automorphisms of Enriques surfaces in characteristic $2$