Best of 2019

The blog posts Hacker News loved most in 2019. 131 posts.

Science & Space
121

A Visual Introduction to Morse Theory

In a previous article , I already introduced manifolds and their, ahem, manifold ways. Among the many interesting comments I received about this article, some were dealing with a basic question, namely how to measure the properties of a manifold. In this article, I want to present a few concepts from Morse theory …