IMA Public Lecture: Mathematics Making Sense of Sensors ~ Robert Ghrist, University of Pennsylvania, January 22, 2009 Fibonacci-Inspired British National Wildflower Center Free Mathematics Books ~ 254 (legal) e-books Price Drop: Stocks, Homes, Now Triple-Word Scores ~ This article contains a beautiful infographic containing the frequency of letters in the English language compared to Scrabble…

# Category: Links

## Recommended readings (3/22/09)

The Four Color Problem Gets a Sharp New Hue ~ the strong perfect graph conjecture is settled: a graph with neither an odd hole nor an odd anti-hole is perfect Surfaces the Ooze of the Past ~ it was nice to find this post after writing my post on surfaces last week How to Build Your…

## Recommended readings (3/12/09)

An ancient typo ~ Has no one noticed this before?!? Stackable letters ~ A new way to classify letters of the alphabet Mathematician answers Supreme Court plea ~ A fair division problem for voting Wolfram|Alpha is coming! ~ The next Segway or the next Google? An Appel a day ~ Seven colors suffice for a…

## Recommended readings (2/27/09)

50th Carnival of Mathematics ~ Hosted by John D. Cook at the Endeavor blog Student Expectations Seen as Causing Grade Disputes (readers’ responses: ‘A’ Is for Achievement, ‘E’ Is for Effort) ~ “‘What would happen,’ I asked, ‘if a player showed up at spring training and worked harder than all the others yet still bombed? Would they…

## Recommended readings for 2/19/09

I think I will try something different. Once in a while (once a week?) I’ll post links to some of the articles I’ve read and enjoyed. I’m inspired by the beautifully simplistic Trivium. In defense of j ~ It’s time to retire Euler’s choice of the letter i for the imaginary number √-1 The Arbesman Limit ~ People like to have things…