Published: 2026-09-30

Hyers-Ulam stability of functional equations with parameters

Jing Zhang, Qi Liu, Yongmo Hu, Linlin Fu, John Michael Rassias, Choonkil Park, Yongjin Li

393-408

Some fixed point results in $C^{\ast}$-algebra valued bipolar $b-$metric spaces

Maryam Alshehri, Hafida Massit, Mohamed Rossafi, Zoran Mitrovic ́

437-448

New contractions in modular metric spaces and applications

Sirajo Yahaya, Mohammed Shehu Shagari

467-476