Invariant pencils for polynomial selfmaps of the affine plane

2017.04.22（星期六），10:30-11:30

点：数学院南楼N913

Abstract: With Jonsson and Wulcan, we classify polynomial selfmaps f of the affine plane of that preserve an irreducible pencil of curves at infinity. More generally, we study a more general classification problem, where the invariant pencil is replaced by more general numerical data at infinity.