Hello Topologists and Friends,


Sean has graciously offered to speak this Thursday.  There will be a few more free spots throughout the semester, about one a month.  Please let me know if you would like to give a talk.  Our next open slot is Feb. 20th. 


Seminar will be at 3:30 on Thursday in MSCS 514.

Speaker:  Sean Bowman

Title: The generalized wrapping number

Abstract:  The wrapping number of a knot in a solid torus is the minimum number of times the knots meets a meridian disk.  I'll describe a generalization of this notion for knots in handlebodies and construct an infinite family of knots distinguished by this invariant.