posted on 2013-12-03, 00:00authored byDipendra Prasad, Ramin Takloo-Bighash
Methods of theta correspondence are used to analyze local and global
Bessel models for GSp4 proving a conjecture of Gross and Prasad which describes these
models in terms of local epsilon factors in the local case, and the non-vanishing of central
critical L-value in the global case.