International Mathematics Research Notices Advance Access originally published online on February 24, 2009
International Mathematics Research Notices (2009) 2009:2519-2545, doi:10.1093/imrn/rnp024 published on June 28, 2009
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Frobenius Map for Quintic Threefolds
Institut des Hautes Études Scientifiques, Bures-sur-Yvette, France
Correspondence: Correspondence to be sent to: shapiro{at}ihes.fr
We calculate the matrix of the Frobenius map on the middle-dimensional cohomology of the one-parameter family that is related by mirror symmetry to the family of all quintic threefolds.