### CONTENTS
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Harmonic Finsler metrics on spheres
Kim Chang-Wan |
1 |

Stability of a quadratic-cubic-quartic functional equation
Yang-Hi Lee |
9 |

Existence of positive solutions of predator-prey systems with degenerate diffusion rates
Kimun Ryu |
19 |

Minimization of the Dense Subset
Buhyeon Kang |
33 |

Weight enumerators of two classes of linear codes
Jaehyun Ahn, Yeonseok Ka |
43 |

Boundedness of the spectra of base functions for new spaces
Hee Chul Pak |
57 |

The m-step competition graphs of d-partial orders
Jihoon Choi |
65 |

A fixed point approach to the stability of an additive-quadratic-quartic functional equation
Yanh-Hi Lee |
77 |

The integration by parts for the AP-Henstock integral
Ju Han Yoon |
89 |

A note on weak expansive homeomorphisms on a compact metric space
Namjip Koo, Gansukh Tumur |
95 |

Consumption-Leisure Choice with Stochastic Income Flow
Ho-Seok Lee, Byung Hwa Lim |
103 |

Free actions of finite groups on 3-dimensional nilmanifolds with homotopically trivial translations
Daewhan Koo, Eunmi Park, Joonkook Shin |
113 |

A note on complete moment convergence for m-PNQD random variables
Mi Hwa Ko |
133 |

Hyperstability of a sum form functional equation related distance measures
Whan Young Lee |
147 |

The chain recurrent set on compact TVS-cone metric spaces
KyungBok Lee |
157 |

Barrier options under the mfBm with jumps : Application of the BDF2 method
Heungsu Choi, Younhee Lee |
165 |

Dynamical properties on iterated function systems
Hahng-Yun Chu, Minhee Gu, Se-Hyun Ku, Jong-Suh Park |
173 |

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