Math @ Duke

Publications [#243559] of Heekyoung Hahn
Papers Published
 Getz, JR; Hahn, H, ALGEBRAIC CYCLES AND TATE CLASSES ON HILBERT MODULAR VARIETIES,
International Journal of Number Theory, vol. 10 no. 2
(2014),
pp. 116, ISSN 17930421 [doi]
(last updated on 2018/07/19)
Abstract: Let E/ be a totally real number field that is Galois over , and let be a cuspidal, nondihedral automorphic representation of GL2(E) that is in the lowest weight discrete series at every real place of E. The representation cuts out a motive Mét(π∞) from the ℓadic middle degree intersection cohomology of an appropriate Hilbert modular variety. If ℓ is sufficiently large in a sense that depends on π we compute the dimension of the space of Tate classes in M ét(π∞). Moreover if the space of Tate classes on this motive over all finite abelian extensions k/E is at most of rank one as a Hecke module, we prove that the space of Tate classes in M ét(π∞) is spanned by algebraic cycles. © 2014 World Scientific Publishing Company.


dept@math.duke.edu
ph: 919.660.2800
fax: 919.660.2821
 
Mathematics Department
Duke University, Box 90320
Durham, NC 277080320

