Xah Math Blog Archive 2013-06 to 2013-06

Math: Symmetry, Flatland, by Ian Stewart

A new book. 〔 Symmetry: A Very Short Introduction By Ian Stewart. Buy at amazon

It cited my work: Discontinuous Groups of Rotation and Translation in the Plane. ☺

Ian Stewart is a well-known mathematician. He has written many books introducing interesting math to the laymen. Including:

You can also read Flatland here: FLATLAND: A Romance of Many Dimensions

There's also a Chinese translation: 神奇的二维国 (Flatland)

wikipedia curvature

The Problems of Traditional Math Notation

now, you can use this search box: Unicode Search: Find Your Symbols to find all your math symbols.

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