When can a graph be drawn in the plane without its lines crossing? Is it possible to colour the countries of any map with just four colours in such a way that neighbouring countries are coloured differently? These are two of a number of apparently unrelated problems considered in this book.
"synopsis" may belong to another edition of this title.
Seller: medimops, Berlin, Germany
Condition: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages. Seller Inventory # M00749234555-V