Putting CVs online

I’ve had my CV online for quite some time. For a while I’d type it up, export it as a pdf, then upload it to my website. The problem was that I would only upload it once every six months or once a year—it was perpetually out of date. Then I made the switch to…

Königsberg today

In 1736 Leonhard Euler solved the now-famous bridges of Königsberg problem.  It is often hailed as the birth of topology and graph theory. Although no graph appears in Euler’s paper, his argument is topological in spirit. (He proved another famous topological theorem a decade and a half later.) The problem is stated as follows. If a resident of Königsberg…