Wolfram MathWorld: The Web's Most Extensive Mathematics...
Rotor -- from Wolfram MathWorld
A rotor is a convex figure that can be rotated inside a (or ) while always touching every side (or face). The least rotor in a is the . The least rotor in an is a with two of and equal to the .
Elementary Cellular Automaton -- from Wolfram MathWorld
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"Homomorphisms and Isomorphisms"
We've looked at groups defined by generators and relations. We've also developed an intuitive notion of what it means for two groups to be the same. This sections will make this concept more precise, placing it in the more general setting of maps...
Geeky pin numbers - Spiked Math
Geeky pin numbers - Spiked Math Comic - A daily math webcomic meant to entertain and humor the geek in you...
K-MODDL > Tutorials > Reuleaux Triangle
What is this triangle?