Event Series
Event Type
Seminar
Tuesday, February 20, 2024 4:00 PM
Richard Schwartz (Brown)

Suppose you take a 1 x L strip of paper, twist it around in space, and tape the (short) ends together to make a paper Moebius band. In this talk I'll prove that you must have L > sqrt(3) and also that there is a unique limit that emerges if you have examples with L tending to sqrt(3). B. Halpern and C. Weaver conjectured the bound and the limit in 1977.