On Wed, Aug 15, 2007 at 12:50:42PM +0000, Dominic Steinitz wrote: > Miguel Mitrofanov <miguelimo38 <at> yandex.ru> writes: > > > >>> Grrr...must...hold...my...tongue... > > >> > > >> Dan, as a former student of a clone of that physics teacher, I am really > > >> interested in what you will say when you fail to hold your tongue. > > > > MV> I have to admit I was wondering the same thing myself. > > > > So was I. > > > I'm guessing that Dan means that thinking of tensors as things that transform > between co-ordinate systems in a certain way (e.g. via the Jacobian of the > transition maps) isn't a terribly good way of thinking about them. Vector > fields, co-vector fields and tensor fields are really co-ordinate independent > notions and the transformation laws (if I may call them that) are a > consequence of the way they transform under (smooth) maps. But perhaps this > is > better discussed on a differential geometry mailing list?
I assumed he was just trying not to sing the "Spider Pig" song. ( http://uk.youtube.com/watch?v=5XQ_GWKvDE0 ) ;-) -- Andy Gimblett Computer Science Department University of Wales Swansea http://www.cs.swan.ac.uk/~csandy/ _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe