Intersection cohomology of the Uhlenbeck compactification of the Calogero-Moser space
arXiv:1506.05205 · doi:10.1007/s00029-016-0279-1
Abstract
We study the natural Gieseker and Uhlenbeck compactifications of the rational Calogero-Moser phase space. The Gieseker compactification is smooth and provides a small resolution of the Uhlenbeck compactification. This allows computing the IC stalks of the Uhlenbeck compactification.
38 pages. v2: Remark 1.3.3 added. v3: The final version published in Selecta Mathematica