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Regular Seminar Andrew Dancer (Oxford)
A Ricci soliton is a generalisation of an Einstein metric which evolves in a very simple way under the Ricci flow. We discuss ways of producing examples of Ricci solitons by looking for solutions with a high degree of symmetry
String Theory & Geometry Seminar Andrew Dancer (Oxford)
room Ballroom, 58 Princes Gate
We investigate quaternionic (especially hyperkahler) analogues of the symplectic cut construction. In low dimensions this can be interpreted as a adding a brane to a hyperkahler manifold.