Tag: metricgeometry

A brief history of threedimensional manifolds
First published November 24, 2022
We give a broadbrush account of some milestones in the theory of 3dimensional manifolds, particularly the Poincaré Conjecture and its proof. We also discuss Thurston’s Geometrisation Programme.

Measuring angles within arbitrary metric spaces
First published October 02, 2020
We will generalise the concept of angles in Euclidean space to any arbitrary metric space, via Alexandrov (upper) angles.
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