# 0xDE

### About 0xDE

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0xDE

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Professor of Computer Science at UC Irvine, researching graph algorithms and computational geometry. Wikipedian. Amateur photographer. Father of two.

### 0xDE's Latest Posts

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Why academic writing stinks or, keep it simple (G+)Sad news of the death of Ferran Hurtado (G+)A visual compendium of glowing creatures, scientific illustration by Eleanor Lutz (G+)Women in computer science get tenure at significantly lower rates than men even after normalizing for research productivity (G+)Tietze's graph, Wikipedia article expanded with a new illustration of why it has the name it has: it was an earlier counterexample in the theory of coloring graphs on non-orientable surfaces
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The idea of a 2-site Voronoi diagram was pioneered by Barequet, Dickerson, and Drysdale in a WADS 1999 paper later published in Discrete Applied Math. 2002. The basic idea is that you have a function d(p,q;x) that tells you the distance from an unordered pair of sites {p,q} to another point x in the plane; given a collection of sites, you want to divide the plane up into regions so that the region containing a point x tells you which pair of sites is closest to x (or in some […]

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I've posted before about the Miura fold, a subdivision of a sheet of paper into paralellograms that gives a nice smooth motion from a compact folded state (in which the parallelograms are all folded on top of each other) to an unfolded state in which the paper is nearly flat. But this pattern can have defects that interfere with its folding pattern, in which small subunits of the pattern fold the wrong way: they still have the same creases but some of them are backwards. My latest arXiv […]

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Algomation animated algorithms (G+)Rush hour video, or, what our robot-driven future will be like (G+)The Washington Post rants about those evil student pirates, but neglects to mention the free alternatives (G+)A song video about knots, from the low-dimensional topology blog (G+)Fun hex grid facts, via MF (G+)SODA 2015 accepted papers (G+)KaTeX, a lobotomized but fast web math renderer (G+)Against laptops in lectures, via MF (G+)David Wade’s ‘Fantastic Geometry’ – The
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I neglected to pack my camera and its new lens with me for the trip to GD (oops), and anyway most of the time the weather wasn't very conducive to photography. But I did take a couple of cellphone snapshots of graffiti/murals on the University of Würzburg campus. This one, if Google translate is to be believed, proclaims Würzburg as the city of young researchers; it's on the wall of the Mensa where we ate lunch every day.And here's some advice to the students starting the new term,
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