{ "id": "0910.4312", "version": "v2", "published": "2009-10-22T12:33:34.000Z", "updated": "2010-02-02T05:34:56.000Z", "title": "Note on Hermitian Jacobi Forms", "authors": [ "Soumya Das" ], "comment": "24 pages; title changed, abstract changed, some proofs expanded and new results added", "categories": [ "math.NT" ], "abstract": "We compare the spaces of Hermitian Jacobi forms (HJF) of weight $k$ and indices $1,2$ with classical Jacobi forms (JF) of weight $k$ and indices $1,2,4$. Using the embedding into JF, upper bounds for the order of vanishing of HJF at the origin is obtained. We compute the rank of HJF as a module over elliptic modular forms and prove the algebraic independence of the generators in case of index 1. Some related questions are discussed.", "revisions": [ { "version": "v2", "updated": "2010-02-02T05:34:56.000Z" } ], "analyses": { "subjects": [ "11F50" ], "keywords": [ "hermitian jacobi forms", "elliptic modular forms", "classical jacobi forms", "upper bounds", "algebraic independence" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0910.4312D" } } }