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Roots of Unity

Roots of Unity

Mathematics: learning it, doing it, celebrating it.

Uber, but for Topological Spaces

So it's cold and rainy, and you're up a little too late trying to figure out why that one pesky assumption is necessary in a theorem. Wouldn't it be nice if you could just order up a space that was path connected but not locally connected?

February 28, 2015 — Evelyn Lamb

Learn to Count like an Egyptian

Last semester, I began my math history class with some Babylonian arithmetic. The mathematics we were doing was easy—multiplying and adding numbers, solving quadratic equations by completing the square—but the base 60 system and the lack of a true zero made those basic operations challenging for my students.

January 26, 2015 — Evelyn Lamb

12 Things I Had Way Too Much Fun Writing This Year

It’s the season for family, hot chocolate, and year-in-review lists. Guess which one this is! Roots of Unity has been around for two years now, and I’m so glad I have a place to share some of the weird and wonderful math I think about.

December 31, 2014 — Evelyn Lamb

What We Talk about When We Talk about Holes

For Halloween, I wrote about a very scary topic: higher homotopy groups. Homotopy is an idea in topology, the field of math concerned with properties of shapes that stay the same no matter how you squish or stretch them, as long as you don’t tear them or glue things together.

December 25, 2014 — Evelyn Lamb

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Roots of UnityMathematics: learning it, doing it, celebrating it.

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