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Education

PhD 1995, Massachusetts Institute of Technology

CAS 1991, Cambridge (Part III of the mathematics Tripos)

BA   1990, University of Chicago

Research interests

• Topology and singularities of algebraic varieties

• intersection (co)homology and perverse sheaves

• Schubert varieties, toric varieties, and generalizations

• Singularities with holomorphic symplectic resolutions

• connections to combinatorics and representation theory