The style, proofs included, never becomes gratuitously technical. the Jordan curve theorem or the Lefschetz fixed-point theorem) -with proofs.

space-filling curves or the map colouring problem, will not only get that but acquire a genuine feeling of what is at work behind isolated properties and even encounter sophisticated results (e.g. He manages to cover a wide range of topics, from the theory of surfaces to vector fields and homology, in such a way that the reader who sets out seeking information on old favourites like the Seven Bridges of Konigsberg. which Michael Henle brilliantly achieves without confusing the one nor boring the other. Of course it’s all to do with the fact that, historically, topology was born combinatorial, but the result is that it is thus possible to address the nonspecialist at the same time as the professional mathematician. the conclusion one is drawn to after reading this book is that the combinatorial point of view is the one which gives the surest, quickest and simplest insight into topology, its scope and its methods. Reviewed by Christian Leruste’ The title should not be understood as indicating a narrow fanciful approach to a classical branch of mathematics. A Combinatorial Introduction to Topology. These well-illustrated articles are certainly of interest for artists. But the wonders of nature are still sources of inspiration for concrete and abstract artists alike. The times when exact observation of nature was a task for the visual artist are past. The Theory of the Rainbow by Nussenzveig. Mirages by Fraser and Mach, AtmosphericHalos by Lynch, The Green Flash by O’Connell. In lieu of an abstract, here is a brief excerpt of the content:ģ22 Books Lightning b! Lewis.

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