### 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 |

**The Thai Journal of Mathematics ***organized and supported by *The Mathematical Association of Thailand and Thailand Research Council and the Center for Promotion of Mathematical Research of Thailand (CEPMART).

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

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|ISSN 1686-0209|