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 Own Hyperbolic Soccerball Model ~ Yay, it uses heptagons!
Pi-Search results ~ the first eight digits of e occur at position 73,154,827 in , counting from the first digit after the decimal point (3.14159…76541251485650592454 27182818 56113932375821103355…)
Greek letters used in mathematics, science, and engineering
Bracketology: The Madness of March ~ is a win-win situation possible?
Putting things in perspective:
What does one TRILLION dollars look like? ~ How big is this number we have been hearing so much about?
How Many Gallons of Fuel Does it Take to Travel 350 Miles? ~ beware, the dotted, dashed, and solid lines are important!
The Official Creebobby Comics Archetype Times Table ~ alien Lincoln versus zombie platypus
Twilight Legion of Eternal Math Zombies (3) ~ Uncountably many zombies
Found math image:
[image by fdecomite]
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