Vol. 237, No. 2, 2008

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Moduli spaces for Bondal quivers

Aaron Bergman and Nicholas J. Proudfoot

Vol. 237 (2008), No. 2, 201–221
Abstract

Given a sufficiently nice collection of sheaves on an algebraic variety V , Bondal explained how to build a quiver Q along with an ideal of relations in the path algebra of Q such that the derived category of representations of Q subject to these relations is equivalent to the derived category of coherent sheaves on V . We consider the case in which these sheaves are all locally free and study the moduli spaces of semistable representations of our quiver with relations for various stability conditions. We show that V can often be recovered as a connected component of such a moduli space, and we describe the line bundle induced by a GIT construction of the moduli space in terms of the input data. In certain special cases, we interpret our results in the language of topological string theory.

Keywords
quiver, exceptional collection, D-brane
Mathematical Subject Classification 2000
Primary: 18E30, 16G20, 14L24
Milestones
Received: 9 February 2008
Accepted: 2 June 2008
Published: 1 October 2008
Authors
Aaron Bergman
Physics Department
Texas A&M University
College Station, TX 77843-4242
United States
Nicholas J. Proudfoot
Department of Mathematics
1222 University of Oregon
Eugene, OR 97403
United States