Hello!
I've got big problems with understanding abstract algebra, the way we deal with it in the seminar on Lie algebras. In just four weeks we progressed up to Levi and Malcev theorems, which are actually the culmination, the say, of classical Lie algebras theory. I didn't think, that the...
I recommend:
Exercises in Algebra: A Collection of Exercises in Algebra, Linear Algebra and Geometry (Algebra, Logic and Applications) by A.I. Kostrikin; Gordon and Breach Publ.