Following the tragic loss that has deeply saddened the scientific community attending the Third International Conference on Cyber Management and Engineering (CyMaEn 2026), Professor Sanja Petrovic, Professor of Operations Research at Nottingham University Business School, University of Nottingham, United Kingdom, passed away last night.

On the morning of Monday, 12 October 2026, participants gathered at the Grand Lecture Hall to observe a minute of silence in her memory, paying tribute to her life and expressing the highest values of human solidarity and heartfelt sympathy that unite the international scientific community, regardless of nationalities or cultural backgrounds.

On this sad occasion, the Rector of the University of Tlemcen, Professor Mourad Meghachou on his own behalf and on behalf of the entire university community and the conference organising committee, extends his deepest condolences and sincere sympathies to the deceased’s family, loved ones, and colleagues. He expresses his heartfelt solidarity with them during this difficult time and affirms that her memory and outstanding scientific contributions will remain alive in the hearts and minds of all those who had the privilege of meeting her and sharing this scientific gathering with her.