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Metric properties of spaces of stability conditions

Woolf, J (Liverpool)
Thursday 12 May 2011, 15:30-16:30

Seminar Room 1, Newton Institute


The space of Bridgeland stability conditions Stab(X) on the derived category D(X) of a variety X has a natural metric with respect to which the actions of the complex numbers C and of the automorphisms Aut(D(X)) of the category are isometries. Under mild assumptions this metric is complete. For example, when X is a complex projective curve with genus >0 one can compute directly that the quotient Stab(X)/C is isometric to the hyperbolic plane. I will discuss these results and some elementary consequences.

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