1. Department of Mathematics, Faculty of Arts and Sciences, Giresun University, Giresun 28100, Türkiye
2. Department of Mathematics, Faculty of Arts and Sciences, Tekirdağ Namık Kemal University, Tekirdağ 59030, Türkiye
3. Department of Mathematics, Faculty of Sciences, Karadeniz Technical University, Trabzon 61080, Türkiye