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    How Mathematicians Use Homology to Make Sense of Topology

    Originally devised as a rigorous means of counting holes, homology provides a scaffolding for mathematical ideas, allowing for a new way to analyze the shapes within data. The post How Mathematicians Use Homology to Make Sense of Topology first appeared on Quanta Magazine
    by Kelsey Houston-Edwards May 11, 2021 0 minutes

    At first, topology can seem like an unusually imprecise branch of mathematics. It’s the study of squishy play-dough shapes capable of bending, stretching and compressing without limit. But topologists do have some restrictions: They cannot create or destroy holes within shapes. (It’s an old joke that topologists can’t tell the difference between a coffee mug and a doughnut, since they both have...

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    Originally published in Quanta Abstractions.

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