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How to add your seminar or meeting to the Department Calendar
Form to request an event on the Department Calendar
Seminar or Meeting  Day  Time  Place  Organizer 

Algebra and Algebraic Geometry  F  2:25pm  Online  Dima Arinkin 
AMS Student Chapter Seminar  W  3:20pm  Michel Alexis, David Wagner, Patrick Nicodemus, Son Tu  
Analysis  T  4pm  Online  David Beltran, Andreas Seeger 
R  11am  Online 
Shamgar Gurevich, Jose Rodriguez, Julia Lindberg 

Applied & Computational Math  F  2:25pm  Online  Qin Li, Saverio Spagnolie, JeanLuc Thiffeault 
Colloquium  F  4pm  Online  Jose Rodriguez, Vadim Gorin 
Combinatorics  M (fall only)  2:25pm  Paul Terwilliger  
Department Meetings  Th  3:30pm  Online  Chair 
Dynamics  W  2:30pm  Online  Chenxi Wu 
Geometry & Topology  F  1:20pm  Online  Shaosai Huang 
Graduate Algebraic Geometry  W  4:00pm  Online  Colin Crowley, David Wagner 
Graduate Analysis  W  4:00pm  Online  Shaoming Guo, Betsy Stovall 
Graduate Geometry and Topology  W  4:00pm  Online  Ben Branman, Becky Eastham, Ben Wright 
Graduate Logic Seminar  T  4:00pm  Online  Jun Le Goh 
Graduate Logic Social Meet Up  T  3:30pm  Online  Jun Le Goh 
Graduate Probability Seminar  T  2:30pm  Online  Benedek Valko 
GPS Number Theory  T  2:30pm  Online  Hyun Jong Kim Yu Fu 
IFDS Ideas Forum  M  2:30pm  Online  Steve Wright, Sebastien Roch 
Lie Theory Seminar  W (fall only)  2:25pm  Paul Terwilliger  
Logic  M  3:30pm  Online  Steffen Lempp 
Math Circles  M  6:00pm  Uri Andrews, Omer Mermelstein  
Matroids Seminar  F  9:10am  Online  Jose Rodriguez, Botong Wang 
Number Theory & Representation Theory  Th  2:30pm  Online  Yousheng Shi 
PDE & Geometric Analysis  M  3:30pm  Online  Chanwoo Kim, Hung Tran 
PDE Reading Seminar  F  2:30pm  Online  Chanwoo Kim 
Physical Applied Math  R  4:00pm  JeanLuc Thiffeault & Saverio Spagnolie  
Probability  Th  2:30pm  Online  Vadim Gorin 
Research Recruitment Seminar  varies  varies  Lorenzo Najt  
SIAM Seminar  F  11:40am  Xiao Shen  
SILO  W  12:30 pm  Online  Rob Nowak 
Statistics  W  4:00pm  Online  
Topology and Singularities Seminar  M  10:00am  Online  Laurentiu Maxim, Botong Wang 
Women in Math at Wisconsin  varies  
Wisconsin Mentorship Program for Women in Mathematics and Science  W  6:00pm  Tullia Dymarz 
These are the standard times and places. These websites will also show talks given at nonstandard times and places. Special lectures and talks will appear on the Math Departments homepage.
Seminars elsewhere recommended/attended by UW colleagues
 Computability Theory and Applications Online Seminar (organized by Vasco Brattka, Damir Dzhafarov, Katia Fokina, Noam Greenberg, Takayuki Kihara, Ludovic Patey, Arno Pauly and Linda Westrick, requires onetime online registration)
 Online Logic Seminar (join here, organized by Wesley Calvert, Southern Illinois University, Carbondale; no registration needed)
 "One World PDE" seminar in the UK is interesting and open to the general public: https://people.bath.ac.uk/mw2319/owpde/
 Virtual Harmonic Analysis Seminar. Seminar is based in the UK and meets at 9:30am cdt. https://sites.google.com/view/virtualharmonicanalysis/home
 Harmonic Analysis and PDE's Seminar Fridays 23 (EDT)
 Research Seminars (list of research seminars in sciences created by Edgar Costa and David Roe; you can filter for math, then a specific topic)
 Online seminars and talks in Logic (list maintained by Miguel Moreno, University of Vienna)
 Logic Talks Online (list maintained by Anton Bernshteyn, Carnegie Mellon University, Pittsburgh, Pennsylvania)
 SIAM SAGA (Seminar on applied geometry and algebra): 2nd Tuesday of each Month at 10am
http://wiki.siam.org/siagag/index.php/Webinar  NASO (Nonlinear Algebra Seminar Online): Most Tuesdays at 10am
https://www.mis.mpg.de/nlalg/seminars/naso.html  ASOS (Algebraic Statistics Online Seminar): Biweekly usually on Fridays
https://sites.google.com/view/algstatsonline/
Sign up for the weekly math seminar list:
All of the week's seminars sent to you each Monday morning.
To Join: weeklymathsem+join@ggroups.wisc.edu