by Janusz Czyz (Polish Academy of Science, Warsaw, Poland)

In this book, many ideas by Felix Hausdorff are described and contemporary mathematical theories stemming from them are sketched.

• The Paradox of the Sphere
• Inaccessible Numbers and the Hierarchal Structure of Set Theory
• The Hausdorff Measures, Hausdorff Dimensions and Fractals
• The Baker-Campbell-Hausdorff Formula
• Hausdorff Matrices
• Appendix
• References