2021 RIMS Workshop
New Developments on Mathematical Decision Making Under Uncertainty
Organizer Shinji Inoue (Kansai University)
15 November – 16 November, 2021
Virtual Workshop
Programme (honoriﬁcs omitted, *:speaker)
Monday, 15 November
9:25〜9:30

Opening

Chair: Toshiharu Fujita (Kyushu Institute of Technology)
9:30〜10:00*Kota Ono (Hirosaki Univ.), Masamiti Kon(Hirosaki Univ.)
Deterministic dynamic programming that rewards are given as elements of a quasiordered set

10:00〜10:30*Masamichi Kon (Hirosaki Univ.), Yutaka Kimura (Akita Prefectural Univ.)
On dynamic dualization

10:30〜11:00*Toshiharu Fujita (Kyushu Institute of Technology)
On a decision process model under feedforward loop systems

Chair: Yu Ogasawara (Tokyo Metropolitan University)
11:10〜11:40*Yu Ogasawara (Tokyo Metropolitan Univ.), Kimitoshi Sato (Kanagawa Univ.)
Revenue management model under nested demand structure

11:40〜12:10*Hideaki Takagi (Professor Emeritus Univ. Tsukuba )Multi-class static revenue management model with buy-up

Lunch
Chair: Yutaka Kimura (Akita Prefectural University)
13:30〜14:30*Jiahao Zhang, Junjun Zheng, Hiroyuki Okamura, Tadashi Dohi (Hiroshima Univ.)
A note on sensitivity analysis for PH approximation

14:00〜14:30

Seiichi Iwamoto (Professor Emeritus Kyushu Univ. ), *Yutaka Kimura (Akita PrefecturalUniv.)
Triplet of Fibonacci duals — with or without constraint —Chair: Masayuki Horiguchi (Kanagawa University)
14:40〜15:10*Qi Wang (Nagasaki Institute of Applied Science), Jingyao Zhang (Kyoto Univ.),
Buheeerdun Yang (Inner MonGolia University of Technology)
An evaluation study of evacuation safety of places based on Markov decision process

15:10〜15:40

Masahiko Sakaguchi (Osaka Electro-Communication Univ.), Aiko Kurushima (SophiaUniv.), *Masayuki Horiguchi (Kanagawa Univ.)
Partially observable Markov decision processes and cost-eﬀectiveness in health screening

Chair: Yasuhiro Saito (Japan Coast Guard Academy)
15:50〜16:20

Yuya Kikuchi, *Masayuki Horiguchi (Kanagawa Univ.)
On a procedure of assessment for tests of controls and interval Bayesian method

16:20〜16:50*Yasuhiro Saito (Japan Coast Guard Academy)
A maritime search planning method based on leeway divergence datums with land area

Tuesday, 16 November
Chair: Setsuko Sakai (Hiroshima Shudo University)
9:00〜9:30*Tsukasa Kubo, Tomomi Matsui (Tokyo Institute of Technology)
Eﬃcient algorithm for assigning agents to a line

9:30〜10:00*Toshikazu Watanabe (Tokyo Univ. Information Sciences)
Note on the solvability of the fully fourth order nonlinear boundary value problem

10:00〜10:30*Setsuko Sakai (Hiroshima Shudo Univ.), Tetsuyuki Takahama (Hiroshima City Univ.)
A study on β-relaxed relative neighborhood graph for speciation

Chair: Hitoshi Hohjo (Osaka Prefecture University)
10:40〜11:10*Takumi Maeda, Hitoshi Hohjo (Osaka Prefecture Univ.)
Evolution of networks with information cost in local minority game model

11:10〜11:40*Yuki Teyanagi, Hitoshi Hohjo (Osaka Prefecture Univ.)
Consideration of community detection by naming game

11:40〜12:10*Koji Hamasaki, Hitoshi Hohjo (Osaka Prefecture Univ.)
Optimal deception defense strategy selection method against sophisticated cyber attacks

Lunch
Chair: Ryusuke Hohzaki (Tsukuba Gakuin University)
13:30〜14:00*Satoshi Masuya (Daito Bunka Univ.)
Two axiomatizations of the Shapley value of the lower game for partially deﬁned cooperative games

14:00〜14:30*Ryusuke Hohzaki (Tsukuba Gakuin Univ.)
On extension of the reality applicability of the non zero-sum security game

Chair: Hiroaki Mohri (Waseda University)
14:45〜15:15*Hiroaki Mohri (Waseda Univ.), Jun-ichi Takeshita (AIST)
Graph failure distribution of random K-out-of-N system

15:15〜15:45*Siqiao Li, Tadashi Dohi, Hiroyuki Okamura (Hiroshima Univ.)
Proportional intensity-based software reliability modeling with covariates

Chair: Yoshinobu Tamura (Yamaguchi University)
15:50〜16:20*Yoshinobu Tamura (Yamaguchi Univ.), Hironobu SONE (IBM Japan), Ryota Ueki(Tokyo City Univ.), Shigeru Yamada (Professor Emeritus Tottori Univ.)
Jump diﬀusion process model considering the cyclic change of communication environment for edge computing

16:20〜16:50*Shinji Inoue (Kansai Univ.), Takaji Fujiwara (SRATECH Lab.), Shigeru Yamada (Professor Emeritus Tottori Univ.)
On safety analysis for safety-related software based on reliability growth models

16:50〜17:00

Closing