MATHEMATICS http://t.co/Ld5IreTp vía...
12 feb. 2013MATHEMATICS http://t.co/Ld5IreTp vía @wordpressdotcom
February 12, 2013
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"Nordstrand's weird surface" is an attractive quartic surface given by the implicit equation It has 11 ordinary double points located at , , , , , , , , , , and .
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