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Knotting of open chains, closed chains and proteins

Presented by: 
E Rawdon [University of St Thomas, Minnesota, USA]
Date: 
Tuesday 4th September 2012 - 17:00 to 17:40
Venue: 
INI Seminar Room 1
Abstract: 
Some proteins are now classified as being knotted. However, proteins have free ends and knotting, mathematically, is only defined for closed curves. Defining knotting in open chains is tricky and ambiguous. We will show one definition of open knotting and search for knotted arcs within knotted open, closed chains, and proteins. This is joint work with Ken Millett, Andrzej Stasiak, and Joanna Sulkowska.
Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons