If the locally compact abelian group G has a finite-dimensional unitary irreducible projective representation with factor system ω (i.e. G has an ω-rep), then a subgroup G(ω) is defined which fulfils ...
Transactions of the American Mathematical Society, Vol. 359, No. 3 (Mar., 2007), pp. 1161-1189 (29 pages) We consider sums of the form $\sum_{j=0}^{n-1}F_{1}(a_{1}n+b ...