Number theory is an important research field of mathematics. In mathematical competitions, problems of elementary number theory occur frequently. These problems

Number theory is an important research field of mathematics. In mathematical competitions, problems of elementary number theory occur frequently. These problems

Annotation. This text provides basic knowledge on how to solve combinatorial problems in mathematical competitions, and also introduces important solutions to c

Challenge your problem-solving aptitude in number theory with powerful problems that have concrete examples which reflect the potential and impact of theoretica

The book provides a self-contained introduction to classical Number Theory. All the proofs of the individual theorems and the solutions of the exercises are bei