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Roots of Unity

Roots of Unity

Mathematics: learning it, doing it, celebrating it.

Computer Scientist Tells Mathematicians How To Write Proofs

Believe it or not, I do have friends who would describe themselves as not liking math, and every so often one of them will share this meme on Facebook: And then Satan said, "Put the alphabet in math." There are different background pictures each time the meme pops up, but the text is always the [...]..

September 24, 2014 — Evelyn Lamb

In Praise of Proofs by Contradiction that Aren't

If you don't know what to do, do something. That's one of my mottos when I teach math (and it's probably good life advice too). Last year, I taught introductory analysis (basically calculus with the juicy bits left in), one of the first proof-oriented classes students take...

August 28, 2014 — Evelyn Lamb

What Is the Goal of a Math History Class?

I'll be teaching a math history class for the first time this semester. I'm excited to be teaching it, but I've noticed that preparing for this class has been very different from preparing for other classes I've taught, which have all been math content courses...

August 22, 2014 — Evelyn Lamb

Math Twitter Bots, Reviewed and Rated

In the course of being a math person on Twitter, I have run across some math-related Twitter bots and feeds. It would just be mean to grade my human tweeps, but I have no qualms about rating the bots!...

July 28, 2014 — Evelyn Lamb

British Rail's Shocking Defiance of Standard Metrics

I spent about a month in the UK earlier this summer, and that meant I took a lot of train trips. I love riding trains: the feeling of endless possibility I get when I look at the departure boards, the countryside rolling by, the fantastic people-watching, the two-hour delay between Edinburgh and Manchester because a [...]..

July 23, 2014 — Evelyn Lamb

The Fault in Our Stars' Faulty Math

Warning: contains minor spoilers for The Fault in Our Stars. I recently read The Fault in Our Stars by John Green, now a major motion picture that has led to theft in Amsterdam and a shortage of dry eyes in movie theaters around the world...

July 10, 2014 — Evelyn Lamb

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