https://www.umass.edu/mathematics-statistics/events/mihail-arabadji-dehn-twists
Mihail Arabadji: Dehn twists : Department of Mathematics and Statistics : UMass Amherst
We will define Dehn twists in all dimensions, discuss their properties, and explain how to calculate their orders in topological and smooth mapping class...
department of mathematicsmihaildehntwists