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Book Part Recent Trends on Ulam–Hyers Stability Results of Fixed Point Problems(World Scientific Publishing Co., 2025) Cvetković, M.; Karapınar, E.; Ye Silkaya, S.S.Fixed point theorems have been extensively used in recent years to prove the Ulam–Hyers stability results of functional equations. In this chapter, we collect novel Ulam–Hyers stability results obtained by using well-known fixed point theorems in the setting of a complete metric space. We focus on several types of functional equations and inclusions along with some applications on the stability of the specific integral and differential equation. © 2026 by World Scientific Publishing Co. Pte. Ltd. All rights reserved.Article On the Metrizability of Suprametric Space(Sciendo, 2025) Karapınar, E.; Cvetković, M.The question of metrizability of suprametric space is answered positively. The observed metric coincides with a suprametric in a way that convergence and continuity are preserved between suprametric space and associated metric space along with the propery of a Cauchy sequence. Consequently, a suprametric space is complete if and only if associated metric space is complete. Fixed point theorems in suprametric space are obtained as a corollary of well-known fixed point results. © 2025 Erdal Karaplnar et al.
