{ "id": "1212.0235", "version": "v1", "published": "2012-12-02T19:25:08.000Z", "updated": "2012-12-02T19:25:08.000Z", "title": "On the measure of the spectrum of direct integrals", "authors": [ "Anton A. Kutsenko" ], "categories": [ "math.FA", "math.SP" ], "abstract": "We obtain the estimate of the Lebesgue measure of the spectrum for the direct integral of matrix-valued functions. These estimates are applicable for a wide class of discrete periodic operators. For example: these results give new and sharp spectral bounds for 1D periodic Jacobi matrices and 2D discrete periodic Schrodinger operators.", "revisions": [ { "version": "v1", "updated": "2012-12-02T19:25:08.000Z" } ], "analyses": { "keywords": [ "direct integral", "2d discrete periodic schrodinger operators", "1d periodic jacobi matrices", "discrete periodic operators", "sharp spectral bounds" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1212.0235K" } } }