Dear All

It is my pleasure to announce that Volume 20 of CGASA (Categories and General Algebraic Structures with Applications) published. This volume is dedicated to Professor Themba Dube on the occasion of his 65th Birthday. 

To read the papers you can visit the website: https://cgasa.sbu.ac.ir/.

Best Wishes

Mojgan

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Mojgan Mahmoudi; Professor
Department of Mathematics,
Shahid Beheshti University,
Tehran 19839, IRAN.
Telefax: (+98)(21)(22431652)
E-mail: m-mahmoudi@sbu.ac.ir, mojganmahmoudi@yahoo.com
http://faculties.sbu.ac.ir/m-mahmoudi/