Math Encounters
Upcoming Events

Now online!

Math Encounters is MoMath’s popular free public presentation series celebrating the spectacular world of mathematics, produced with support from the Simons Foundation.  For further information, call the National Museum of Mathematics at 212-542-0566 or e-mail

August Presentation

Wednesday, August 5
“Number Theory Problems: from Easy to Undecidable” with Bjorn Poonen

• 4:00 pm –Click here to register
• 7:00 pm –Click here to register

September Presentation

Wednesday, September 2
“Airy Predictions: The Mathematics of Air Quality and Weather Forecasts” with Kristin Lauter

• 4:00 pm –Click here to register
• 7:00 pm –Click here to register

Previous Math Encounters presentations

Books by the speakers

We are happy to offer books edited or authored by Math Encounters speakers through our online shop.

Math Encounters available on YouTube and DVD

Math Encounters presentations are generally posted to our YouTube page within 1-2 months of filming. Due to copyright issues, some presentations may not be reproduced on the Internet. Presentations posted online are also available for purchase via our online shop. Click here to purchase yours today!

Presented by the Simons Foundation and the National Museum of Mathematics