On June 4-11, 2023, the members of MICM – GAIN research team, Vakhtang Kvaratskhelia, Kartlos Kachiashvili and Marine Menteshashvili were in France, at the National Institute of Applied Sciences (INSA), Rennes. V. Kvaratskhelia and K. Kachiashvili were seconded within the framework of the ERASMUS+ exchange program. M. Menteshashvili was supported by the European Commission HORIZON EUROPE Grant Project GAIN. Meetings and mutually interesting discussions were held at the Departments of Computer Sciences, Computer Engineering and of Applied Mathematics. MICM – GAIN research team presented the GAIN project main goals and objectives. The French colleagues expressed their interest in the prospect of future cooperation with the grantees.