{ "id": "0905.2258", "version": "v1", "published": "2009-05-14T06:23:56.000Z", "updated": "2009-05-14T06:23:56.000Z", "title": "Gromov-Witten theory of product stacks", "authors": [ "Elena Andreini", "Yunfeng Jiang", "Hsian-Hua Tseng" ], "comment": "38 pages", "categories": [ "math.AG", "math.SG" ], "abstract": "Let $\\mathcal{X}_1$ and $\\mathcal{X}_2$ be smooth proper Deligne-Mumford stacks with projective coarse moduli spaces. We prove a formula for orbifold Gromov-Witten invariants of the product stack $\\mathcal{X}_1\\times \\mathcal{X}_2$ in terms of Gromov-Witten invariants of the factors $\\mathcal{X}_1$ and $\\mathcal{X}_2$. As an application, we deduce a decomposition result for Gromov-Witten theory of trivial gerbes.", "revisions": [ { "version": "v1", "updated": "2009-05-14T06:23:56.000Z" } ], "analyses": { "subjects": [ "14N35" ], "keywords": [ "gromov-witten theory", "product stack", "smooth proper deligne-mumford stacks", "projective coarse moduli spaces", "orbifold gromov-witten invariants" ], "note": { "typesetting": "TeX", "pages": 38, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0905.2258A" } } }