EntityQ848810· pop 6· linked from 11 articlesKronecker's theoremSign in to savetheoremConnectionstorusEntitynecessity and sufficiencyEntitymathematicsEntityrational numberEntityLeopold KroneckerEntitymonotonic functionEntitylinear independenceEntity𝑛-tupleEntitylinear combinationEntityclosureEntitykernelEntityEncyclopedia of MathematicsEntitydiophantine approximationEntityEuropean Mathematical SocietyEntityPontryagin dualityEntityGalois connectionEntityDirichlet's approximation theoremEntityMahler measureEntitycharacterEntityEquidistribution theoremEntityCategoriesDiophantine approximationTopological groups