Mathematics – Algebraic Geometry
Scientific paper
2006-07-20
Transformation Groups 13, 1 (2008) 47-89
Mathematics
Algebraic Geometry
33 pages
Scientific paper
We study the quantum cohomology of (co)minuscule homogeneous varieties under a unified perspective. We show that three points Gromov-Witten invariants can always be interpreted as classical intersection numbers on auxiliary varieties. Our main combinatorial tools are certain quivers, in terms of which we obtain a quantum Chevalley formula and a higher quantum Poincar\'{e} duality. In particular we compute the quantum cohomology of the two exceptional minuscule homogeneous varieties.
Chaput Pierre-Emmanuel
Manivel Laurent
Perrin Nicolas
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