### CONTENTS
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Double pairwise $(r,s)(u,v)$-precontinuous mappings
Eun Pyo Lee and Seung On Lee |
1 |

M{\"o}bius functions of order $k$ in function fields
Hwanyup Jung |
15 |

The matrix geometric means under partial trace
Sejong Kim |
21 |

Robust duality for nonsmooth multiobjective optimization problems
Gue Myung Lee and Moon Hee Kim |
31 |

Some notes on relatively compact subsets of fuzzy sets
Yun Kyong Kim and Joo-Mok Kim |
41 |

Some characterizations of dedekind modules
Tae In Kwon, Hwankoo Kim, and Myeong Og Kim |
53 |

Persistent actions on compact metric spaces
Jiweon Ahn, Keonhee Lee, and Seunghee Lee |
61 |

The arcsine law in the generalized analogue of wiener space
Kun Sik Ryu |
67 |

On some twisted cohomology of the ring of integers
Seok-Min Lee |
77 |

Asymptotic property of perturbed nonlinear systems
Dong Man Im, Sang Il Choi, and Yoon Hoe Goo |
103 |

Choosing regularization parameter by global $L$-curve criterion
SeYoung Oh and SunJoo Kwon |
117 |

Principal cofibrations and generalized co-$H$-spaces
Yeon Soo Yoon |
129 |

A remark on a stability in multi-valued dynamics
Hahng-Yun Chu, Jong-suh Park, and Seung Ki Yoo |
141 |

The AP-Henstock integral of vector-valued functions
Ju Han Yoon |
151 |

A note on explicit solutions of certain impulsive fractional differential equations
Namjip Koo |
159 |

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