Seminar of Strong Interaction Laboratory "Interactions of hadrons and heavy ions at high energies" . ... A.Alkin, "Modification of hadronic jet characteristics in PbPb collisions at the LHC" (report for conference "Lomonosov", rehearsal) . ... E.Nazarova, "Anisotropic flow fluctuations in PbPb collisions at the LHC" (report for International Session-Conference of SNP PSD RAS "Physics of Fundamental Interactions", rehearsal) . ... S.V.Obraztsov, "Jet reconstruction in heavy ion collisions at CMS" . ...