Preface.- The Density of Rational Points on a Certain Threefold (V. Blomer, J. Brüdern).- Affine Gindikin-Karpelevich Formula via Uhlenbech Spaces (A. Braverman, M. Finklberg, D. Kazhdan).- Daniel's Twists of Hooley's Delta Function (J. Brüdern).- Coefficients of the n-fold Theta Function and Weyl Group Multiple (B. Brubaker, D. Bump, S. Friedberg, J. Hoffstein).- Towards the Trace Formula for Convex-cocompact Groups (U. Bunkhe, M. Olbrich).- Double Dirichlet Series and Theta Functions (G. Chinta, S. Friedberg, J. Hoffstein).- The Patterson Measure: Classics, Variations, and Applications (M. Denker, B. O. Stratmann).- Moments for L-functions for GLr
x GLr-1 (A. Diaconu, P. Garrett, D. Goldfeld).- Further Remarks on the Exponent of Convergence and the Hausdorff Dimension of the Limit Set of Kleinian Groups (M. R. Hille).- A Note on the Algebraic Growth Rate of Poinecaré Series for Kleinian Groups (M. Kesselböhmer, B. O. Stratmann).- References.