Group CohomologyCovers the concept of group cohomology, focusing on chain complexes, cochain complexes, cup products, and group rings.
Representation of SL2ZDelves into the representation of SL2Z and the function F, exploring its transformation properties and relation to modular forms.
Macdonald identitiesDelves into Macdonald identities, covering affine root systems, modular forms, and Lie algebras.
E8 Lattice OptimalityDelves into the construction and optimality of the E8 lattice as the densest sphere packing in dimension eight.
Cohomology: Cross ProductExplores cohomology and the cross product, demonstrating its application in group actions like conjugation.
Extremal LatticesExplores extremal lattices, emphasizing bounds on shortest vectors and unique modular forms.
Galois Theory of QpExplores the Galois theory of Qp, covering algebraic extensions, inertia groups, and cyclic properties.