Finite Abelian Groups & RingsExplores the classification of finite abelian groups and rings, emphasizing elementary divisors and properties of rings.
Regularity of CurvesExplores the regularity of curves over a field and the importance of specific properties for curve regularity.
Integers and RingsCovers integers, rings, subrings, invertibility, divisors of zero, and equivalence relations in formal fractions.
Möbius inversion formulaCovers the Möbius inversion formula and its proof, including the change of variables in summation.
Rings and FieldsExplores rings, fields, ideals, and their properties in algebraic structures.