# Editors

**Editor-in-Chief**

**Salah-Eddine Kabbaj**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

E-mail: *kabbaj@kfupm.edu.sa*

**Assistant Editor**

**Edward Nolasco Jr.**

Arabian Journal of Mathematics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

Phone: +966 (0) 13-860-3974

Fax: +966 (0) 13-860-2340

E-mail: *ajm@kfupm.edu.sa*

**Associate Editors**

**J. Abuhlail**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**S. E. Ahmed**

Faculty of Mathematics and Sciences

Brock University, Saint Catharines, Canada

** ****B. Ahmedov**

Department of Mathematics and Statistics

Ulugh Beg Astronomical Institute

Uzbekistan Academy of Sciences, Uzbekistan

**S. Albeverio**

Institute of Applied Mathematics and Hausdorff Center of Mathematics

University of Bonn, Bonn, Germany

**M. Alfuraidan**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**M. Benchohra**

Laboratory of Mathematics

Djillali Liabes University of Sidi

Bel-Abbes, Sidi Bel-Abbes, Algeria

**H. Ben-El-Mechaiekh**

Faculty of Mathematics and Sciences

Brock University, Saint Catharines, Canada

**A. H. Bokhari**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**B. Cockburn**

School of Mathematics

University of Minnesota, Minneapolis, USA

**O. Echi**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**B. H. Gross**

Department of Mathematics

Harvard University, Cambridge, USA

**M. Khamsi**

Department of Mathematical Sciences

University of Texas, El Paso, USA

**A. R. Khan**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**F. Kittaneh**

Department of Mathematics

University of Jordan, Amman, Jordan

**A. Laradji**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**S. Messaoudi**

Department of Mathematics

University of Sharjah, Sharjah, UAE

**K. Mustapha**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**D. O'Regan**

School of Mathematics, Statistics and Applied Mathematics

National University of Ireland, Galway, Ireland

**S. Ruscheweyh**

Institut fuer Mathematik

Universitaet Wuerzburg, Wuerzburg, Germany

**T. Sugawa**

Graduate School of Information Sciences

Tohoku University, Sendai, Japan

**N. Tatar**

Department of Mathematics and Statistics

King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia

**M. Vuorinen**

Department of Mathematics and Statistics

University of Turku, Turun Yliopisto, Finland

**Publishing Editor**

**Nabil Khélifi**

Springer Heidelberg, Germany

E-mail: *Nabil.Khelifi@springer.com*