Organizers: Ivan Fesenko (University of Notingham) , Igor Zhukov (St. Petersburg State University) , Alexey Zykin (HSE, IITP). ... Denis Osipov (Moscow) . Two dimensional harmonic analysis and the Riemann-Roch theorem on algebraic surfaces over finite fields . ... Coffee break . ... On the correspondence between zeta-functions of arithmetic schemes and mean periodic functions . ... 10:00-11:00 . ... Singularities of curves and ramification of morphisms between surfaces . ...