In November 2022, the leading researcher of the IM, NAS RA Suren Poghosyan visited the Institute of Mathematics of the University Potsdam, Germany, at the invitation of Prof. Sylvie Roelly, Head of the chair of Probability Theory. During his visit, Suren Poghosyan made a talk entitled Penrose-stable Interactions in Classical Statistical Mechanics based on his joint work with Prof. Hans Zessin.