Is a (smooth) manifold allowed to have different dimensions in different points.
View Single Post
Jun12-11, 07:46 PM
obviously in one coordinate neighborhood it can't..
I'm thinking of a line which smoothly develops into a surface : -----<<
what particular properties would this object have..
Security CTO to detail Android Fake ID flaw at Black Hat
Huge waves measured for first time in Arctic Ocean
Mysterious molecules in space