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Linkage

Feb 15, 2016

  • Numberphile video on triangle centers

  • New US visa requirements for travelers from visa-waiver countries who have visited Iran, may especially effect computational geometers who have been to the Winter School on Computational Geometry

  • Lecture notes from de Bruijn's course on combinatorics have an unlikely host (G+)

  • Undecidability of an energy gap in arrays of quantum devices (G+)

  • Analog rather than digital production of chaotic/fractal images, using video feedback (G+)

  • New Wikipedia book on perfect graphs (G+)

  • Congratulations to the computer scientists newly inducted into the NAE

  • 3d-printing a digital sundial gnomon

  • Zombies vs humans, visualization of a continuous pursuit-evasion model

  • Rectangle packing on the surface of an integer cube

  • List of accepted papers to STOC 2016

  • The Kansas and Louisiana public university systems race to the bottom. But maybe the threat to the football team can act as a parachute? (G+)

  • Reversing the curve-shortening flow can send nice curves into very messy singularities (G+)

  • Ed Pegg's new tetrahedrally-symmetric surface of constant width

  • David Eppstein

Geometry, graphs, algorithms, and more