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Companionship graphs for knots in the 3-sphere

Student-Run Applied & Math Seminar

Speaker: Bassem Saad, UC Davis Math
Location: 2112 MSB
Start time: Wed, Feb 15 2012, 12:10PM

In this talk I will show how you can decompose knots embedded in the 3-sphere into simpler pieces using the JSJ-decomposition . We will encode this decomposition into vertex labeled, finite acyclic graphs called companionship graphs.