### Journal Archive

Categories and General Algebraic Structures with Applications is an international biannual journal (Clarivate Analytics-Web of Science, formerly Thomson Reuters Index) published by Shahid Beheshti University, Tehran, Iran, founded in 2013.  It is open access, also it is free of any publication charges. We agree to and follow the COPE publication ethics, also we follow the CC BY creative commons copyright license.

This journal publishes original high quality research papers and invited research and survey articles mainly in two subjects: Categories (algebraic, topological, and applications in mathematics and computer science) and General Algebraic Structures (not necessarily classical algebraic structures, but universal algebras such as algebras in categories, semigroups, their actions, automata, ordered algebraic structures, lattices (of any kind), quasigroups, hyper universal algebras, and their applications).

Visibility: Our publications have a high level of visibility, so far out of 130 published (online and printed) papers, we have 146,912 Article View and 103,853 PDF Download.

• CGASA wishes everybody have good health and safe from Coronavirus.
 Volume 13 of CGASA has been published on July 2020.             Sincere thanks to authors, referees, and editors.     GOOD NEWS: All published articles from Vol. 8 have now DOI numbers.

The journal is indexed in SCOPUS from 2017.

1. The journal is indexed in the Web of Science, ESCI list.
2. The journal is indexed in zbMATH (Zentralblatt Math).
3. Mathematical Reviews included the journal as listing in MathSciNet.
4. The journal is indexed in ISC (Islamic Science Citation).
5. The Journal granted the Scientific-Research degree by the Iranian Ministry of Science, Research, and Technology.

49,067

Most Visited Articles
Current Issue: Volume 13, Issue 1, Summer and Autumn 2020

##### 2. Product preservation and stable units for reflections into idempotent subvarieties

Pages 1-22

Isabel A. Xarez; Joao J. Xarez

##### 3. The non-abelian tensor product of normal crossed submodules of groups

Pages 23-44

Alireza Salemkar; Tahereh Fakhr Taha

Pages 45-54

Jaroslav Gurican

Pages 55-82

##### 6. A classification of hull operators in archimedean lattice-ordered groups with unit

Pages 83-104

Ricardo E. Carrera; Anthony W. Hager

Pages 105-124

Halimeh Moghbeli

Pages 125-142

Sedat Temel

Pages 143-166

### Publication Information

Publisher

Editor-in-Chief Director-in-Charge Manager
Print ISSN
2345-5853
Online ISSN
2345-5861