The topics and subject you will find in the app are given below
Abstract groups
Algebraic geometry
Algebraic number theory
Applications of group theory
Branches of group theory
Chemistry and materials science
Combinatorial and geometric group theory
Combinatorics
Cryptography
Finite group theory
Galois theory
Groups with additional structure
Harmonic analysis
History
Lie theory
Main classes of groups
Matrix groups
music
Music Theory
Permutation groups
Main classes of groups
Matrix groups
music
Music Theory
Permutation groups
Physics
Representation of groups
Transformation groups