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Special Values of Automorphic Cohomology Classes

Posted By: ksveta6
Special Values of Automorphic Cohomology Classes

Special Values of Automorphic Cohomology Classes (Memoirs of the American Mathematical Society) by Mark Green, Phillip Griffiths, Matt Kerr
2014 | ISBN: 0821898574 | English | 145 pages | PDF | 1 MB

The authors study the complex geometry and coherent cohomology of nonclassical Mumford-Tate domains and their quotients by discrete groups. Their focus throughout is on the domains $D$ which occur as open $G(\mathbb{R})$-orbits in the flag varieties for $G=SU(2,1)$ and $Sp(4)$, regarded as classifying spaces for Hodge structures of weight three. In the context provided by these basic examples, the authors formulate and illustrate the general method by which correspondence spaces $\mathcal{W}$ give rise to Penrose transforms between the cohomologies $H^{q}(D,L)$ of distinct such orbits with coefficients in homogeneous line bundles.