Hi everyone,
Every now and then, I find myself dealing with such or such (co)homology theory, and I'm frustrated I don't feel more comfortable around it.
I was wondering if someone could recommend a cool reference that would, ideally:
- Cover several cohomology theories, including, say: singular, de Rham, Dolbeault, group cohomology, sheaf cohomology.
- Explain the relations between these theories.
- Not too hardcore to read (not too formal, containing examples, etc.)
Thanks for helping!