The intersection cohomology of the Satake compactification of $${\mathcal {A}}_g$$Ag for $$g \le 4$$g≤4
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DOI: 10.1007/s00208-016-1491-1
Abstract: We completely determine the intersection cohomology of the Satake compactifications $${{\mathcal {A}}_{2}^{\mathrm{Sat}}},{{\mathcal {A}}_{3}^{\mathrm{Sat}}}$$A2Sat,A3Sat, and $${{\mathcal {A}}_{4}^{\mathrm{Sat}}}$$A4Sat, except for $${ IH}^{10}({{\mathcal {A}}_{4}^{\mathrm{Sat}}})$$IH10(A4Sat). We also determine all the ingredients appearing in the decomposition theorem applied to the… read more here.
Keywords: compactification; mathcal mathrm; mathrm sat; cohomology ... See more keywords