[winkv]

Wow! thanks for explaining this, i was aware of the discrete group but never had the intution of lie groups,never understood continuous symmetries. It is sad that math books are full of proofs but never care to explain the intution behind it.

[nils-m-holm]

Same here! I find math fascinating, but everything I know about it is painfully gained knowledge. Usually I read three to four books about the same subject and then learn from the intersection. It's a sad state of affairs!

I'd be interested in working on better math books (I have lots of experience in writing CS textbooks), but I'd need someone who can explain math topics to me in the first place. Math books in general are completely useless.