1. eBooks [Category Theory]
3. Read Free Online Book:
4. Best Technical Category Theory Book (2016) by Tom Leinster (Cambridge Press): “Basic Category Theory”
(Free download from arxiv)
5. Five Best Computer Books recommended by MIT
6. Abstract Algebra Best Books:
- Groups and Galois theory: Abel’s theorem in problems and solutions by Alekseev.
- Noncommutative algebra: pages 1–60 of J.-P. Serre’s Linear representations of finite groups. This requires a very solid grasp of linear algebra; if you don’t have that, P. Halmos’s books (Finite-dimensional vector spaces and Linear algebra problem book) are the best.
- Commutative algebra: Atiyah, Mc Donald, Introduction to commutative algebra.
7. Free Math Olympiad eBooks: