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Topological defects and the ground state manifold

Presented by: 
R Kamien University of Pennsylvania
Thursday 10th January 2013 - 11:30 to 12:30
INI Seminar Room 1
Do homotopy groups completely characterize topological defects? In this presentation, I will describe the pitfalls to this notion and describe some progress in working around the ambiguities and puzzles that arise in such descriptions.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons