White proved in the second edition of his book [Wh73, Example 3, p. 169] that g (K 3,3,3,3) is at most 5. Jungerman [Ju75] reports that the genus of this graph is at least 5, but his conclusion has ...

If you've ever stuffed "cheat sheets" into your reference documentation to guide you through specific tasks that the book never describes in detail, you'll appreciate the approach of this how-to book.

As the COVID-19 pandemic grips the world, Canadians have been presented with a profusion of statistics, graphs and other data visualizations about the number of cases, deaths and spread of the disease ...

Graphs on Graphs In the mid-1980s, a Dutch physicist named Pieter Kasteleyn wanted to mathematically prove an assertion about how liquids flow throughout porous solids. His work led him to pose the ...