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20202026
most citedAlgebraic subgroups of the group of birational transformations of ruled surfaces

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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 of positive genus. From that, we obtain a classification of maximal connected algeb…