Pascal Fong

activity

20202026

most citedAlgebraic subgroups of the group of birational transformations of ruled surfaces

2 citations · 2 across the 4 of their papers we have counts for

collaborators

5 papers

math.AG2026

Automorphism groups of Mori Del Pezzo fibrations over an irrational curve

Pascal Fong, Susanna Zimmermann

We study the automorphism groups of Mori Del Pezzo fibrations over a smooth projective curve $C$ of positive genus. From that, we obtain a classification of maximal connected algeb…

math.AG2023

Automorphism groups of $P^{1}$ -bundles over geometrically ruled surfaces

Pascal Fong

We classify the pairs $(X, π)$ , where $π : X \to S$ is a $P^{1}$ -bundle over a non-rational geometrically ruled surface $S$ and $Aut^{\circ} (X)$ is relatively maxim…

math.AG2022

Connected algebraic subgroups not lying in a maximal one

Pascal Fong, Sokratis Zikas

We prove that for each $n \geq 2$ , there exists a ruled variety X of dimension n such that Bir(X) contains connected algebraic subgroups which are not lying in a maximal one.

math.AG2021★ 2 cited

Algebraic subgroups of the group of birational transformations of ruled surfaces

Pascal Fong

We classify the maximal algebraic subgroups of Bir(CxPP^1), when C is a smooth projective curve of positive genus.

math.AG2020

Connected algebraic groups acting on algebraic surfaces

Pascal Fong

We classify the maximal connected algebraic subgroups of Bir(X), when X is a surface.

Automorphism groups of Mori Del Pezzo fibrations over an irrational curve

Automorphism groups of P1-bundles over geometrically ruled surfaces

Connected algebraic subgroups not lying in a maximal one

Algebraic subgroups of the group of birational transformations of ruled surfaces

Connected algebraic groups acting on algebraic surfaces

Automorphism groups of $P^{1}$ -bundles over geometrically ruled surfaces