Finding normal subgroups of the Cremona group
Susanna Zimmermann
University of Basel, Switzerland; Institut de Mathématiques d’Orsay, Université Paris-Saclay, Orsay, France

Abstract
This is a survey on what is known, up to date, on normal subgroups of Cremona groups. There are several different approaches to showing that they exist, and we will take a look at each of them, more or less in chronological order.
Cite this article
Susanna Zimmermann, Finding normal subgroups of the Cremona group. EMS Surv. Math. Sci. (2025), published online first
DOI 10.4171/EMSS/105