Early works are unpolished notes from various textbooks, and later works cover algebraic topology and higher category theory

- An outline for studying higher category theory
- Notes from Goldblatt's Topoi book
- [ag/5] Morphisms of schemes
- [ag/4] Properties of schemes
- [ag/3] Schemes II
- [ag/2] Schemes I
- [ag/1] Sheaves
- [ag/hw] Homework
- [ag/0] Notes from Hartshorne
- [ct/7] Abelian Categories
- [ct/hw] Homework
- [ct/3] Adjunctions
- [ct/2] Universal Arrows, Yoneda Lemma, Limits
- [ct/1] Natural Transforms, Products, Free Categories
- [ac/2] Modules of fractions, Primary decomposition
- [ac/hw] Commutative Algebra: Homework
- [ra/hw] Rings: Homework
- [ra] Rings and Algebras
- [la] Linear Algebra
- [ac/1] Ideals, Modules, Tensor products
- [at/2] Cellular Homology
- [gn] General Topology
- [at/1] Fundamental Group, Singular Homology, Excision