Lectures related to String theory

Covers the theory of groups and homotopical algebra, emphasizing natural transformations, identities, and isomorphism of categories.

Explores covalent bonding stability and orbital properties in molecules like H₂ and He.

Explores adjunction between functors, composition of applications, G-equivariance, and natural transformations in G-sets.

Explores fundamental cosmological puzzles related to dark matter and energy.