Name: Anonymous 2006-06-14 13:09
i don't get it, the metric tensor is rank (2,0), so why is it represented as a matrix? matrices are (1,1).
how do you multiply the metric tensor with two vectors (since it's a bilinear functional) if you view it as a matrix?
how do you multiply the metric tensor with two vectors (since it's a bilinear functional) if you view it as a matrix?