Speaker: Jennifer Paulhus (Mount Holyoke College)Title: Automorphism Groups of Riemann SurfacesAbstract:Classification questions about automorphisms of compact Riemann surfaces date back to the 1800s. There has been renewed interest in these questions over the last 30 years as advances in computation have provided new ways to explore the area. We will talk about some of those advancements focusing on groups which are automorphisms in just about every genus they should be (particularly simple groups and the alternating groups $A_n$).

Crafting Sound: From Lab to Live to Living Room

Time: 1:00 PMLocation: Babson Park, MA

Free and open to all.Join us for a beginner-friendly “boot camp” fitness class, led by Dirty Water Fitness. This high-energy, full-body workout will use just your bodyweight—no equipment needed! The class blends strength, cardio, and core work in a fun, fast-paced circuit style. Designed for all fitness levels, you'll move at your own pace with plenty of encouragement and modifications to match your needs. Come ready to challenge yourself and leave feeling stronger!This class will take place outdoors - or, in case of inclement weather, indoors in the MIT Welcome Center. Please bring a water bottle and wear clothes that allow for movement. All participants must sign a waiver - please register online in advance to do so, or arrive a few minutes early to complete one on site.This fitness class is presented in collaboration with the East Cambridge Business Association - check out the other events in this series:Dirty Water Fitness | September 16th, 6-7pmOutdoor Yoga with The Embody School | October 7th, 6-7pmYoga with The Embody School | December 9th, 6-7pm

Time: 12:00 PMLocation: Cambridge, MA