UBC Mathematics Colloquium

Ronald Stern - Getting to the heart of smooth 4-manifolds

Fri., April 24, 3:00, MATX 1100

In this talk, designed for a broad mathematical audience, we will describe what is known (and unknown) about the classification of smooth 4-manifolds. In particular we will uncover a new mechanism that makes progress towards the conjecture that every simply-connected closed 4-manifold has either zero or infinitely many distinct smooth structures.

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