2026 Co-Research Meetings: Advances in Copula Thoery
2026共同研究集会「コピュラ理論の新展開」
The 3rd meeting: 2027, 1/27(Wed) and 1/28(Thur)
Co-Res. Member: Emura, Hino, Takatani, Kato, Koike, Yoshiba, Tsukahara, Michimae, Sun, Jeng, Izumi, Ota
Organizer/Chair: Takeshi Emura (Hiroshima Univ) and Toshinao Yoshiba (Tokyo Metropolitan Univ)
Venue: The Institute of Statistical Mathematics , Seminar room 2 (3F)
Program (subject to changes)
January 27(Wed): Reception 13:00-13:30
13:30-13:35 Opening remarks: Emura T (Hiroshima Univ)
Session I: Chair: Emura T (Hiroshima Univ)
13:35-14:00 Li-Hsien Sun (Nantioal Central Univ）：Multiple structural change detection in time series using rotated BB1 copula Markov models
14:00-14:20 Discussions by Koike, Yoshiba, Ota
14:20-14:45 Shuhei Ota (Kanagawa Univ）：Dependence modeling for bivariate soil data in reliability analysis
14:45-15:05 Hideatsu Tsukahara (Seijo Univ）：Dynamic spatial panel data models with copulas: empirical study
Break
Session II: Chair: Tsukahara H (Seijo Univ)
15:25-15:50 Toshinao Yoshiba (Tokyo Metro Univ）：Dynamic skew-t copula modelling for multivariate asset price movement
15:50-16:15 Kota Izumi (Kitasato Univ）：Semi-Modular Bayesian Survival Analysis with Copulas
16:15-16:40 Takaaki Koike (Hitotsubashi Univ）：Improved bounds of tail copulas and their applications to tail risk functionals
16:40-16:50 Discussions (suggestions of special issues in journals)
16:50-17:00 Closing: Yoshiba T (Tokyo Metro Univ)
January 28(Thursday) : Reception 13:00-13:30
13:30-13:35 Opening remarks: Emura (Hiroshima Univ)
Session I: Chair: Emura T (Hiroshima Univ)
13:35-14:00 Shuen-Lin Jeng (National Cheng Kung University）：Inference of highway pavement life based on a copula degradation model
14:00-14:20 Discussions by Sun, Yoshiba, Emura
14:20-14:45 Rikuto Takatani (Hiroshima Univ）：A copula model for dependent censoring with the exponential margins
14:45-15:05 Shogo Kato (ISM）：Goodness-of-fit tests for copula models using copula-based divergences
Break
Session II: Chair: Yoshiba T (Tokyo Metro Univ)
15:25-15:50 Masaki Hino (SOKENDAI）：Inference for bivariate cure copula models with zero-inflated gamma frailty
15:50-16:15 Hirofumi Michimae (Kitasato Univ）：Bayesian estimation for bivariate discrete-time first-event data: Gaussian copula versus Laplace-based local odds-ratio inference
16:15-16:40 Takeshi Emura（Hiroshima Univ）：Copula dependent censoring models for survival prognosis: application to lactylation-related genes
16:40-16:50 Discussions (suggestions of special issues in journals)
16:50-17:00 Closing: Yoshiba T (Tokyo Metro Univ)
The 4th meeting: 2027, 3/16(Tue), 3/17(Wed) and 3/18(Thur)
Co-Res. Member: Emura, Hino, Sei, Koike, Yoshiba, Michimae, Izumi, Dou, Ota, Poignard, Konno, Wilke
Organizer/Chair: Takeshi Emura (Hiroshima Univ) and Toshinao Yoshiba (Tokyo Metropolitan Univ)
Venue: The Institute of Statistical Mathematics , Seminar room 5 (3F)
謝辞：本研究は統計数理研究所共同研究プログラム（2026-ISMCRP-5004）の助成を受けたものです