Category Archives: people

The mathematics of human knots

Have you ever played “human knot”? It seems to be a common icebreaker/team-building sort of exercise (just do a Google search for “human knot” and you’ll find quite a few pages discussing it). Everyone stands in a circle, then reaches … Continue reading

Posted in games, people, probability | Tagged , , , , , | 9 Comments

P ≠ NP?

A few days ago, Vinay Deolalikar, a Principal Research Scientist at HP Labs, began circulating a draft of a paper entitled “P ≠ NP”. The mathematics and computer science communities immediately erupted in a frenzy of excitement and activity. The … Continue reading

Posted in computation, links, open problems, people, proof | Tagged , , , | 7 Comments

Carnival of Mathematics this Friday!

The next Carnival of Mathematics goes up this Friday at idiot’s blog—get your submissions in!

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Hyperbinary conjecture seeking proof for a good time, long walks on the beach

Here’s the latest progress on the hyperbinary sequence. We’re trying to figure out the inverse relation of the function : given a particular number , where does it occur in the hyperbinary sequence? That is, what are the values of … Continue reading

Posted in challenges, pattern, people, proof, sequences | Tagged , , , | 4 Comments

New and improved: bookshelf and Carnival of Mathematics

Two things today: first, I’ve updated my “bookshelf” (go to http://www.mathlesstraveled.com/, scroll down a bit and look in the right margin). The books come from my LibraryThing library, and I’ve now figured out how to write reviews of the books … Continue reading

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Carnival of Mathematics #53

Welcome to the 53rd Carnival of Mathematics! A somewhat shorter carnival this time, but I greatly enjoyed reading the submissions I did get, and I hope you do too. Meaghan Montrose at TutorFi presents ten tips for daily practicing your … Continue reading

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Full Speed Ahead!

Hooray for summer! Now that finals are finally over, you can expect a lot more from me over the next few months. I’ve got a lot of exciting things planned, including a description and explanation of an algorithm for finding … Continue reading

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New bookshelf entry: The Annotated Turing

For my birthday I got, among other things, a copy of The Annotated Turing: A Guided Tour Through Alan Turing’s Historic Paper on Computability and the Turing Machine, by Charles Petzold. I haven’t finished reading it yet, but so far, … Continue reading

Posted in books, computation, people | Tagged , , | 6 Comments

Hello again!

Hello again, dear reader! I haven’t written anything here in quite a while now — since February 22, it would seem! Partly, that’s because I’ve been busy visiting graduate schools and deciding where to go. And I can now happily … Continue reading

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Fun "mathemagic" video

For something on the lighter side, here’s a fun video that I’ve seen linked to from a number of places. It’s a video of Arthur Benjamin, a math professor at Harvey Mudd College, performing a fifteen-minute “mathemagics” show. He multiplies … Continue reading

Posted in computation, links, people, video | 1 Comment