### Editor in Chief

**Prof. Dr. Mujahid Abbas**

Director General

Abdus Salam School of Mathematical Sciences, GC University, Lahore, 54600, Pakistan.

E-mail: dg@sms.edu.pk

### Managing Editor

**Khurram Shabbir**

GC University Lahore, Pakistan.

E-mail: jprm@sms.edu.pk

### Editors

**F.D.Zaman**

Abdus Salam School of Mathematical Sciences GC University, Lahore.

E-mail: f.zaman@sms.edu.pk**Safeer Hussain Khan**

Abdus Salam School of Mathematical Sciences GC University, Lahore.

E-mail: safeer@sms.edu.pk

**Paul Abbott**

Department of Physics, University of Western Australia, Australia.**Fuensanta Aroca**

Instituto de Matematicas, Universidad Nacional Autonoma de Mexico, (IM-UNAM), Mexico.**Edy Tri Baskoro**

Department of Mathematics, Institut Teknologi Bandung, Bandung, Indonesia.**Nanqing Ding**

Department of Mathematics, Nanjing University, China. C. G.**Gibson**

Department of Mathematics, University of Liverpool, UK.**Stephan Glasby**

Department of Mathematics, Central Washington University, Ellensburg, USA.**Tasawar Hayat**

Department of Mathematics, Quaid-e-Azam University, Islamabad, Pakistan Malik.**Muhammad Husnine**

Department of Humanities and Sciences National University of Computer and Emerging Sciences-FAST Lahore, Pakistan.**Norio Inui**

Graduate School of Engineering, University of Hyogo, Japan.**Muhammad Imran**

Department of Mathematics, GC University, Faisalabad, Pakistan.**Ulrich Knauer**

Department of Mathematics, University of Oldenberg, Oldenberg, Germany.**Alexander Kondratyev**

Department of Physics, Russian State Herzen Pedagogical University, St. Petersburg, Russia.**Ari Laptev**

Imperial College London and KTH in Stockholm, Sweden.**Olav Arnflnn Laudal**

Matematisk institutt, Universitetet i Oslo, Blindern, Norway.**Ming-Gong Lee**

Department of Mathematics, Chung Hua University, Hsinchu, Taiwan.**Florian Luca**

Instituto de Matematicas, Universidad Nacional Autonoma de Mexico, (IMUNAM), Morelia, Mexico.**Laurentiu Paunescu**

Department of Mathematics, University of Sydney, Australia.**József Pelikan**

Department of Algebra and Number Theory, Etvs Lornd University, Hungary.**Gerhard Pfister**

Univeristy of Kaiser Slautern, Germany.**Dorin Popescu**

Department of Mathematics and Computer Science, University of Bucharest, Bucharest, Romania.**Narong Punnim**

Department of Mathematics, Srinakharinwirot University Bangkok, Bangkok, Thailand.**Asghar Qaidr**

School of Natural Sciences, NUST, Islamabad, Pakistan.**Jawad Snoussi**

Instituto de Matemáticas, UNAM Mexico**Muhammad Sharif**

Department of Mathematics, University of the Punjab, Lahore, Pakistan.**Azad Akhter Siddiqui**

School of Natural Sciences, NUST, Islamabad, Pakistan.**Sutep Suantai**

Department of Mathematics, Chiang Mai University, Thailand.**Stefan Vandewalle**

Department of Mathematics, Katholieke Universiteit Leuven, Belgium.**John Webb**

Department of Mathematics, University of Cape Town, Cape Town, South, Africa.**Peter Wild**

Department of Mathematics, Royal Holloway University of London, UK.