EntityQ2463775· pop 6· linked from 14 articlesDedekind sumSign in to savesums of products in mathematicsConnectionsRichard DedekindEntitymathematicsEntityInternational Standard Book NumberEntitynumber theoryEntitytopologyEntityBernhard RiemannEntitydigital object identifierEntityDonald KnuthEntityparityEntityalgebraic geometryEntitycoprimeEntityif and only ifEntityroot of unityEntityfunctional equationEntitydiscrete Fourier transformEntityFriedrich HirzebruchEntityquadratic reciprocityEntitysawtooth waveEntitycomputational complexityEntityzbMATH OpenEntityCategoriesModular formsNumber theory