Online registration is closed for this event. If available, tickets on the day of the event may incur an additional charge.

Math Encounters: "Navigating with Golden Rotations"

Wednesday, November 3 at 4:00 pm ET (New York)


Join Princeton University Professor of Mathematics Peter Sarnak in an exploration of some of the subtle features enjoyed by rotations in two- and three-dimensional space, from paradoxical decompositions to optimally efficient universal quantum gates.  Special introduction by Dr. Terrence Blackman, Associate Professor of Mathematics, Medgar Evers College, CUNY.

This event will take place in person at MoMath at 11 East 26th Street.

This page is for the 4:00 pm ET (New York) in-person session.  Click here to register for a live-streamed session or for the 7:00 pm ET (New York) session instead.

All in-person seats are available on a first-come, first-served basis.

Please arrive 15 to 30 minutes before the event start time to complete registration.

In light of the current COVID-19 situation, MoMath is temporarily suspending the provision of food during Math Encounters.

Note that masks must be worn at all times inside the Museum and that all visitors must show proof of COVID-19 vaccination to be admitted.  To learn more, go to

By registering for a Math Encounters presentation, you acknowledge that you may be photographed or videotaped by Museum staff and associates.

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 email

Please check our online shop for books by Math Encounters presenters.

November 3, 2021 4:00 pm   through   5:30 pm
National Museum of Mathematics
11 E. 26th St.
New York, NY 10010
United States
Phone: 212-542-0566

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