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Professor of Computer Science
University of Illinois at Urbana-Champaign

国内上facebook教程
portrait by Kay Erickson (2018)

  • Contact Info
  • Research
    • CV [pdf]
    • Publications (by subject)
  • Teaching
    • Free algorithms textbook, lecture notes, and other course materials
      • Paperback edition available from Amazon

    • Fall 2024: CS/ECE 374: Algorithms and Models of Computation
    • Spring 2024: CS 473: Algorithms
    • Fall 2024: CS 598: One-Dimensional Computational Topology
    • Spring 2021: CS 473: Algorithms (tentative)
  • 国内上facebook教程
    • Christian Howard
    • 国内玩facebook加速软件
    • Yipu Wang
  • Blathering
    • Academia Stack Exchange
    • Ernie's 3D Pancakes (moribund)
    • Making SOCG (done)
  • My most prestigious academic award ever.
  • 国内上facebook教程

I'm a computational geometer/topologist/graphophile with more general interests in algorithms, data structures, and lower bounds. I teach mostly large algorithms classes; you might find my free textbook and other course materials useful. From 2013 to 2016, I was an associate department head and chair of the faculty recruiting committee. I am a SafeTOC advocate.

I have the lowest undergraduate GPA (2.4/4.0) of any professor I've ever met, although some of my colleagues came close, and a few others never finished college at all. (I really shouldn't be proud of that.) Only three other professors have been in my department longer than I have. (I really shouldn't be proud of that, either.)

 
Praxis tendatum docebit. [Practice will teach those who try.]
— Carl Friedrich Gauß, describing the fast Fourier transform (c. 1805)

Man muß jederzeit an Stelle von „Punkte, Geraden, Ebenen“ „Tische, Stühle, Bierseidel“ sagen können. [One must always be able to say “tables, chairs, beer mugs” in place of “points, lines, planes”.]
为何国内没有做成类似instagram这类主打图片社交形态的产品 ...:2021-12-14 · 越来越多年轻人开始倾向于自我表达、趣味社交，他伔对高品质生活的追求、对时尚和美的诉求越来越强烈，在这些需求的驱动下，国内会出现下一款类似ins的标榜为“即时分享美好生活瞬间”的产品吗？ 核心观点： 众图片为核心作为用户表达动态、记录生活的图片社交产品在国内存在

I believe in the third dimension, but not the other two.
— James "Kibo" Parry

As we all know, the easiest way to be at the top of your field is to choose a very small field.
— Simone Giertz, "Why you should make useless things" (2018)