{ "id": "2305.13708", "version": "v1", "published": "2023-05-23T05:46:58.000Z", "updated": "2023-05-23T05:46:58.000Z", "title": "Sobolev type inequalities for fractional maximal functions and Riesz potentials in half spaces", "authors": [ "Yoshihiro Mizuta", "Tetsu Shimomura" ], "comment": "22 pages, to appear in Studia Math", "categories": [ "math.FA" ], "abstract": "In this paper, we study Sobolev type inequalities for fractional maximal functions $M_{{\\mathbb H},\\nu}f$ and Riesz potentials $I_{{\\mathbb H},\\alpha} f$ of functions in weighted Morrey spaces of the double phase functional $\\Phi(x,t) = t^{p} + (b(x) t)^{q}$ in the half space, where $1