On August 29 – September 5, 2014 The deputy director of IMM NASA professor Aliyev Soltan Ali oglu has taken part in the International scientific Conference “Problems of decision making and uncertanties (PDMU-2014) organized by Defense University at Brno city of Czech Republic. At the Confrence the scientists and specialists from 12 countries have given talks. Two papers of Soltan Aliyev was included into the proceedings of the Confrence. Professor Soltan Aliyev has given the talk “Integral equations for continous parameter reducing branching processes”. The coauthor of Soltan Aliyev has given the talk “Application of branching processes with immigration to number theory.