**Thai Journal of Mathematics (TJM)**is a peer-reviewed, open access international journal publishing original research works of high standard in all areas of pure and applied mathematics.

**Publication Frequency**

TJM publishes one volume per year. Usually a volume consists of three issues with about 200 pages each.

Appear : April, August and December. Occasionally special issues are also published. Papers are published as soon as they are accepted.

*March*,

*June*,

*September*and

*December*). All manuscripts are refereed under the same standards as those used by the finest-quality printed mathematical journals. Accepted papers will be published online in their final form as a TJM formatted PDF and will be published in four issues annually.

**____________________________________________________________________****____________________________________________________________________**

**Reviewing/Indexing**

**is covered Abstracted, Reviewed and Indexeded in:**

Thai J Math.

Thai J Math.

**Mathematical Reviews**,

**MathSciNet**,

**Zentralblatt MATH Database**,

**Google Scholar**and

**Scopus [Elsevier]**

**Thomson Reuters**).

**Call for papers**

## Special issue dedicated to Professor Suthep Suantai for his 60th birthday anniversary

A special issue of Thai Journal of Mathematics –Vol. 18 No.3/2020 – will be Dedicated to Professor Suthep Suantai for his 60th birthday anniversary. Authors of papers related to areas of expertise of Professor Suthep Suantai are invited to submit a manuscript for this special issue.

Submission

Authors should follow the usual procedure of Thai Journal of Mathematics (TJM) for the preparation as well as for the submission of their work (http://thaijmath.in.cmu.ac.th/index.php/thaijmath/index), but they have to clearly mention during the submission process that the manuscript is intended for the “Special issue: Dedicated to Prof.Suthep Suantai for his 60th birthday anniversary”, by selecting Article type accordingly.

Timeline

Submissions Due: 30 May 2020

Expected Acceptance Notification: 30 June 2020

Expected On-line / Printed Publication: 30 September 2020

Guest Editors:

Attapol Kaewkhao, Chiang Mai University

Narin Petrot, Naresuan University

Pasit Cholamjiak, University of Phayao

Poom Kumam, KMUTT

**This workshop is a celebration of the 60th birthday of Professor Dr. Suthep Suantai.**

**A Special Issue of**

**(IWANA2019)****International Workshop on Applied Nonlinear Analysis (IWANA2019)**September 12-14, 2019.

The Tide Hotel, Bangsean, Chonburi, Thailand

This Special Issue (SI:IWANA2019) will appear as the Volume 18 No.1 in March 2020.

Guest Editors:

Parin Chaipunya (chaipunya.p@gmail.com)

**Instructions for submission**:

Authors should submit their manuscript in PDF file (up to 20 pages),

electronically, DIRECTLY to the online submission system of Thai J. Math

mentioning that it is for this Special Issue IWANA2019.

**Submission deadline**: December 15, 2019.

The authors can find the "Head of LATEX form" from the Journal Website.

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### Vol 17, No 3 (2019): December

### Table of Contents

#### Articles

A Generalization of the Trichotomy Principle | |

Jaruwat Rodbanjong, Pimpen Vejjajiva | 597-605 |

Hybrid Forward-Backward Algorithms Using Linesearch Rule for Minimization Problem | |

Kunrada Kankam, Nattawut Pholasa, Prasit Cholamjiak | 607-625 |

Common Fixed Point Results for α-ψ-Locally Contractive Type Mappings in Right Complete Dislocated Quasi G-Metric Spaces | |

Abdullah Shoaib, Fahim Uddin, Arshad Muhammad, Muhammad Usman Ali | 627-638 |

A Fixed Point Theorem for Generalized Lipschitzian Semigroups in Hilbert Spaces | |

Muhamad Najibufahmi, Atok Zulijanto | 639-648 |

Error Bounds of Conjugate of a Periodic Signal by Almost Generalized Nörlund Means | |

Vishnu Narayan Mishra, Vaishali Sonavane | 649-662 |

Numerical Solution of Third Order Singularly Perturbed Boundary Value Problems Using Exponential Quartic Spline | |

Arshad Khan, Pooja Khandelwal | 663-672 |

Mathematical Simulation of a Groundwater Management in a Drought Area Using an Implicit Finite Dierence Method | |

Nattawut Pongnu, Nopparat Pochai | 673-684 |

Numerical Simulation of Water-Quality Model on Flooding Using Revised Lax-Diffusive and Modified Siemieniuch-Gladwell Methods | |

Kanawoot Subklay, Nopparat Pochai | 685-702 |

Fixed Point Theorems for Generalized Contractions with Triangular $\alpha$-Orbital Admissible Mappings on Branciari Metric Spaces | |

Suparat Baiya, Anchalee Kaewcharoen | 703-725 |

Meromorphic Function Sharing Small Functions with Its Derivative | |

Pulak Sahoo, Gurudas Biswas | 727–743 |

Iterative Algorithm for a System of Equilibrium Problems of Bregman Strongly Nonexpansive Mapping | |

Ali Abkar, Mohsen Shekarbaigi | 745–765 |

Some Matrices in Term of Perrin and Padovan Sequences | |

Kannika Khompungson, Benjawan Rodjanadid, Supunnee Sompong | 767–774 |

Convergence Theorems for $G$-Nonexpansive Mappings in CAT(0) Spaces Endowed with Graphs | |

Watcharapong Anakkamatee, Buris Tongnoi | 775–787 |

Fourth-Order Conservative Algorithm for Nonlinear Wave Propagation: the Rosenau-KdV Equation | |

Rakbhoom Chousurin, Thanasak Mouktonglang, Phakdi Charoensawan | 789–803 |

Convergence Theorems of the Modified SP-Iteration for $G$-Asymptotically Nonexpansive Mappings with Directed Grahps | |

Rattanakorn Wattanataweekul | 805–820 |

Common Endpoints for Non-Commutative Suzuki Mappings | |

Thanomsak Laokul, Bancha Panyanak | 821–828 |

Remarks on Brouwer Fixed Point Theorem for Some Surfaces in $\mathbb{R}^3$ | |

Preeyaporn Thongin, Worapong Fupinwong | 829–842 |

Projection Type Ishikawa Iteration with Perturbations for Common Fixed Points of Two Nonself Generalized Asymptotically Quasi-Nonexpansive Mappings | |

Kritsadaphiwat Wongyai, Tanakit Thianwan | 843–859 |

**Copyright** 2020 by the Mathematical Association of Thailand.

All rights reserve. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission of the Mathematical Association of Thailand.

|ISSN 1686-0209|