We are profoundly saddened by the passing of the legendary mathematician, Prof. R. P. Agarwal, Texas A & M University-Kingsville, Professor Honoris Causa of the Faculty of Mathematics and Computer Science, Babeș-Bolyai University. His groundbreaking contributions to mathematics and his tireless dedication to guiding scholars worldwide have left an enduring legacy. We are deeply grateful for his mentorship, which has shaped countless academic journeys and inspired generations of researchers. His influence will continue to illuminate the path of mathematical discovery for years to come. We also cherish the fruitful collaboration he maintained with the Faculty of Mathematics and Computer Science at Babeș-Bolyai University, which greatly enriched our research activities and provided invaluable opportunities to learn from his expertise. His impact on our academic community will be remembered with deep respect and gratitude.