Speaker: A. Surzhykov
Talk: "Diagnostics of polarization purity of x rays by means of Rayleigh scattering"
Speaker: V.A. Yerokhin
Center for Advanced Studies, Peter the Great St. Petersburg Polytechnic University
Talk: "QED theory of the Lamb shift of hydrogen for Rydberg constant and "proton radius puzzle""
Speaker: M.I. Krivoruchenko
Talk: "Gauge invariance of quantum electrodynamics of many-electron atoms"