The fifteenth meeting of a scientific seminar of OTDE-Seminar took place. Speaker: Kinderknekht Iana (University Kassel, Kassel)

The fifth took place autumn, it the fifteenth in 2023, meeting of the International research seminar "The theory of operators, the differential equations and their appendices" (OTDE-Seminar). Also it took place on November 1, 2023, at 16:00 it is traditional in a video conferencing format. At meeting the report of professor Universities Kassel, located in Kassel (Germany) Kinderknekht Iana (an author's pseudonym was submitted to attention of listeners of a seminar: Kinderknekht Iana Butko A.), on a subject "The principle of subordination and a formula Feynman Kats for the integro-differential evolutionary equations...