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Band connected sum of knots and genus

Student-Run Geometry/Topology Seminar

Speaker: Fabiola Manjarrez-Gutierrez, UC Davis
Location: 2112 MSB
Start time: Tue, Nov 6 2007, 1:10PM

The band connected sum of two knots k_1 and k_2 gives rise a new knot k. A natural question to ask is how the knot genus behaves under such operation, in other words is it additive? Well, the answer is that it is supperadditive. In this talk I will show this fact based on Gabai's paper.