Department of Mathematics

Van Vleck Hall, 480 Lincoln Drive, Madison, WI

News Items

Erman, Sam, Ellenberg Mentions in the Bulletin of the AMS this month.


Two of the four articles published this month in the Bulletin of the American Mathematics Society have UW connections.  Daniel Erman and former faculty, Steven Sam, have an article titled "Cubics in 10 variables vs. cubics in 1000 variables: Uniformity phenomena for bounded degree polynomials".  Jordan Ellenberg has been involved in work related to what Joshua Grochow published "New applications of the polynomial method: The cap set conjecture and beyond".  

Links:

The Wonderful World of Hagfish Slime


Hundreds of meters deep in the dark of the ocean, a shark glides toward what seems like a meal. It’s kind of ugly, eel-like and not particularly meaty, but still probably food. So the shark strikes.

This is where the interaction of biology and physics gets mysterious — just as the shark finds its dinner interrupted by a cloud of protective slime that appeared out of nowhere around an otherwise placid hagfish.

Jean-Luc Thiffeault, a University of Wisconsin–Madison math professor, and collaborators Randy Ewoldt and Gaurav Chaudhary of the University of Illinois have modeled the hagfish’s gag-inducing defense mechanism mathematically, publishing their work in the Journal of the Royal Society Interface.

Links to other articles about this:

News.wisc.edu:  https://news.wisc.edu/unraveling-threads-of-bizarre-hagfishs-explosive-slime/

Newsweek:  https://www.newsweek.com/hagfish-slime-explodes-choke-predator-deploy-military-synthetic-version-1292112

UW Students Perform Well on Virginia Tech Math Contest


On October 24, 2018, several math students took the Virginia Tech Math Contest.   The Virginia Tech Contest is similar to the Putnam Exam, but perhaps somewhat easier; this year 94 schools from 29 states took part in the 40th contest and there were 792 participants. The maximum possible score was 70.
 
We were thrilled to discover two of our students ranked 2nd and 3rd nationwide! 
 
Congratuations to Liwei Jiang (2nd) and Sivakorn Sanguanmoo (3rd).
 
Also notable, Xiaxin Li (21st) and Ruiting Tong (24th).

John Heim makes Top Moments at the UW in 2018


Check out the 2018 Top Moments in Time, https://news.wisc.edu/moments-in-time-2018-photographers-choice/

UW Photographers pick their favorite pictures of 2018.  John Heim is #16.

Melanie Matchett Wood Elected to AMS Council


Melanie Matchett Wood has been elected to a 3 year term on the American Mathematical Society Council, starting in 2019.  The Council formulates and administers the scientific policies of the Society and acts in an advisory capacity to the Board of Trustees.  Congratulations, Melanie!

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