November 27-28, 2020, Technical University of Moldova (TUM) and Tiraspol State University (TSU) in collaboration with Romanian Society of Applied and Industrial Mathematics (ROMAI), Mathematical Society of the Republic of Moldova and Academy of Sciences of Moldova held the symposium on the actual problems of the mathematics and informatics, dedicated to the 90th Birthday of Professor Ion Valuţă (Valutse). The symposium brought together over 100 researchers from Romania, Spain, Canada, Russia, India, Bulgaria, the Republic of Moldova who presented 61 scientific papers. The works were carried out in three sections: Mathematics; Computer science and its theoretical mathematical bases; Didactics and Education. In the opening speech of rector Professor V. I. Bostan, communicated by the vice-rector professor M. Vernic, and in the opening report of academician M. M. Choban "Professor Ion Valuţă - teacher of many generations of students" it was mentioned that this symposium is dedicated to a Man-phenomenon, with an exceptional story of work and life, with an essential contribution in the organization of higher education and of scientific research in the Republic of Moldova - to the mathematician professor Ion Valuţă, who recently turned the venerable age of 90 years old.
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