Compositio Mathematica is a prestigious, well-established journal publishing first-class research papers that traditionally focus on the mainstream of pure mathematics. Compositio Mathematica has a broad scope which includes the fields of algebra, number theory, topology, algebraic and analytic geometry and (geometric) analysis. Papers on other topics are welcome if they are of broad interest. All contributions are required to meet high standards of quality and originality. Publications in this journal benefit from the added value of careful reviewing and editing. The journal has an international editorial board reflected in the journal content.