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Lower bounds on the number of Reidemeister moves

Geometry/Topology

Speaker: Joel Hass, UC Davis
Location: 2212 MSB
Start time: Tue, Jan 20 2009, 4:10PM

I will describe recent work with Tahl Nowik in which we give the first non-linear lower bounds for the number of Reidemeister moves needed to connect two diagrams representing the same knot.