2009/10/22 by Soumya Das, Das, Soumya
Mathematics · #11F50 #FOS: Mathematics #Number Theory (math.NT) #math.NT #msc:11F50
paper · pdf · doi:10.48550/arxiv.0910.4303
15 pages; abstract updated, new results and proofs added
arxiv created 2010/02/01 · arxiv updated 2010/02/08
We prove that under suitable conditions, the Jacobi Poincaré series of exponential type of integer weight and matrix index does not vanish identically. For classical Jacobi forms, we construct a basis consisting of the "first" few Poincaré series and also give conditions both dependent and independent of the weight, which ensures non-vanishing of classical Jacobi Poincaré series. Equality of certain Kloosterman-type sums is proved. Also, a result on the non-vanishing of Jacobi Poincaré series is obtained when an odd prime divides the index.