Finite Abelian Groups & RingsExplores the classification of finite abelian groups and rings, emphasizing elementary divisors and properties of rings.
Group Algebra: Maschke's TheoremExplores Wedderburn's theorem, group algebras, and Maschke's theorem in the context of finite dimensional simple algebras and their endomorphisms.
Conjugation in GroupsExplores conjugation in groups, the direct product of groups, and the classification of finite abelian groups.
Direct Sums ArithmeticExplores the arithmetic of direct sums in group theory, discussing conditions for equality.