Autor: Waclaw Sierpinski

The Pythagorean Theorem is one of the fundamental theorems of elementary geometry, and Pythagorean triangles — right triangles whose sides are natural numbers — have been studied by …

A Selection of Problems in the Theory of Numbers focuses on mathematical problems within the boundaries of geometry and arithmetic, including an introduction to prime numbers. This book discusses the …

Professor Kreiger’s translation of Sierpinski’s earlier work on point-set topology was speedily recognized as the outstanding work on the subject in English. The present volume is not just a revision …