List of Articles Operator equation Open Access Article Abstract Page Full-Text 1 - Solution of operator equations and proof of Kannan mapping theorem and Chatterjea-type mapping theorem in C^*-algebra valued S_b-metric spaces S. Samira Razavi Hashem Parvaneh Masiha Open Access Article Abstract Page Full-Text 2 - The solutions to some operator equations in Hilbert $C^*$-module M. Mohammadzadeh Karizaki M. Hassani