This is a survey, accessible to junior/senior undergraduate students and containing many examples, solved exercises, and sets of problems, of some parts of abstract algebra that are of use in many other areas of discrete mathematics. This new edition includes recent material, improvements in presentation, and an updated reference section.

The second edition of a best-seller - Contains recent developments in the field -Improved presentation - Updated references - Special emphasis on fully worked-out computational examples - More than 500 exercises Request lecturer material: sn.pub/lecturer-material

Inhalt
1 Lattices.- 2 Applications of Lattices.- 3 Finite Fields and Polynomials.- 4 Coding Theory.- 5 Cryptology.- 6 Applications of Groups.- 7 Further Applications of Algebra.