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Session S07 - Differential operators in algebraic geometry and commutative algebra

Monday, July 19, 16:00 ~ 16:30 UTC-3

On the isotropy of a polynomial derivation in two variables

Iván Pan

Universidad de la República, Uruguay   -   This email address is being protected from spambots. You need JavaScript enabled to view it.

If $D:k[x,y]\to k[x,y]$ is a derivation, where $k$ is an algebraically closed field of characteristic zero, we denote by $Aut(D)$ the group consisting of (plane) polynomial automorphisms which commute with $D$. We determine when $Aut(D)$ is an algebraic group.

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