Welcome to my homepage. My name is M. Zaki Riyanto, I'm a lecturer and researcher at the Department of Mathematics, Faculty of Science and Technology, Universitas Islam Negeri (UIN) Sunan Kalijaga Yogyakarta, Indonesia (an Islamic State University in Indonesia). I'm a member of the Indonesian Mathematical Society (IndoMS) and Komunitas Peminat Aljabar Indonesia (Indonesian Algebraist Society). My research interest are Abstract Algebra, Cryptography and Coding Theory.

Office:
Department of Mathematics, Faculty of Science and Technology
Universitas Islam Negeri Sunan Kalijaga, Yogyakarta, Indonesia.
Address: Jl. Marsda Adisucipto No.1 Yogyakarta, Indonesia, 55281
Email: zaki.riyanto (at) uin-suka.ac.id