1 “... in such diverse areas as Geometry, Algebra, Number Theory, Topology, Operations Research and Optimization...”

2 “..., and applications to algebra, number theory and geometry. Some proofs, such as the proof of the very important...”

3 “... and their applications in algebra, number theory, geometry of the complex plane and discrete mathematics. It is designed...”

4 “... in geometry and trigonometry, algebra, number theory, and combinatorics. It encourages readers to think...”

5 “... numbers. The interplay between logic and other areas of mathematics, notably algebra, number theory...”