Recent content by Genericcoder

Thanks a lot for the replies guys

Hi guys, I m reading some theoretical physics paper that requires knowledge of dirac notation if someone could point me out to a good tutorial on it I come from a math background but I am studying this paper with my supervisor.

Thanks a lot micro mass that's exactly what I need

For example this is a specific example of what I am talking about and that was also what my professor presented when he was explaining some stuff about C* algebra those aren't really well defined like it doesn't give what specifically what is a tensor ! http://www.quantiki.org/wiki/Tensor_product

If we take for example the tensor product between two vectors each lives in Hilbert space I know that it has to satisfy certain properties but I can't find a good definition of what exactly is a tensor or a tensor product.

no actually I want to know it for math related area since I am undergrad student in math I am interested in it because it appears a lot when we deal with Hilbert space etc. I want though a book that gives a well defined definition for tensors.

Hi guys, I am interested to learn tensor calculus but I can't find a good book that provide rigorous treatment to tensor calculus if anyone could recommend me to one I would be very pleased.

Can you guys give me a concrete example of a completely positive map from M_m → M_n?

can u give me a website that has a lot of examples on epsilon delta proof of limits?

oh I see oke so in order to achieve this we make E = min{1,E/9} right?

but why did u assume |x - 3| < E/9 out of nowhere?

srry I had a type your right it should be 2x^2 + 2x + 6 !

it should be 2x^2 + 2x + 6 your right ! but the same logic holds for the problem that I typed I don't know how did he get |x - 3| < E/9...

let E = episolon and D = delta; the problem is as follows: let f(x) = (2x^2 - 3x + 3). prove that lim as x approaches 3 f(x) = 21, we write |f(x) - 21| = |x^2 + 2x - 15| = |x + 5||x - 3| to make this small, we need a bound on the size of |x + 5| when x is close to 3. For example...

could u explain this line a little more ->dv²/dt = 2 v dv/dt, the last result follows?