New snapshot published: Trisections of Four-Dimensional Spaces

(September 29, 2025) How can we better understand four-dimensional spaces? In this recently published snapshot of modern mathematics from Oberwolfach, Sara Blackwell introduces the theory of trisections of smooth 4-manifolds.

No. 5/2025: Trisections of Four-Dimensional Spaces

by Sarah Blackwell

Snapshot Thumbnail

This snapshot introduces the theory of trisections of smooth 4-manifolds, an area of exploration in low-dimensional topology aiming to make four-dimensional spaces more understandable. Along the way, we discuss the concepts of topology, dimension, manifolds, and more!