Maximale Integralzerlegungen invarianter positiv definiter Funktionen auf diskreten Gruppen.
Measured quantum groupoids associated with matched pairs of locally compact groupoids
Generalizing the notion of matched pair of groups, we define and study matched pairs of locally compact groupoids endowed with Haar systems, in order to give new examples of measured quantum groupoids.
Measures on Locally Compact Groups Whose Fourier-Stieltjes Transforms Vanish at Infinity and Group C*-Algebras.