%0 Journal Article %T One-dimensional interpolation inequalities, Carlson--Landau inequalities and magnetic Schrodinger operators %A Alexei Ilyin %A Ari Laptev %A Michael Loss %A Sergey Zelik %J Mathematics %D 2015 %I arXiv %X In this paper we prove refined first-order interpolation inequalities for periodic functions and give applications to various refinements of the Carlson--Landau-type inequalities and to magnetic Schrodinger operators. We also obtain Lieb-Thirring inequalities for magnetic Schrodinger operators on multi-dimensional cylinders. %U http://arxiv.org/abs/1502.01572v1