Umeta, Yoko A certain property of a unified family of \(P_{\mathrm{J}}\)-hierarchies (J=I, II, IV, 34) with a large parameter. (English) Zbl 1480.34116 RIMS Kôkyûroku Bessatsu B75, 101-111 (2019). Reviewer: Yoshitsugu Takei (Kyoto) MSC: 34M55 34M40 34M60 PDFBibTeX XMLCite \textit{Y. Umeta}, RIMS Kôkyûroku Bessatsu B75, 101--111 (2019; Zbl 1480.34116)
Tajima, Shinichi; Umeta, Yoko Computing structures of holonomic D-modules associated with a simple line singularity. (English) Zbl 1358.32017 RIMS Kôkyûroku Bessatsu B57, 125-140 (2016). MSC: 32S40 32C38 PDFBibTeX XMLCite \textit{S. Tajima} and \textit{Y. Umeta}, RIMS Kôkyûroku Bessatsu B57, 125--140 (2016; Zbl 1358.32017)
Umeta, Yoko Multiple-scale analysis for some class of systems of non-linear differential equations. (English) Zbl 1338.34169 RIMS Kôkyûroku Bessatsu B52, 283-299 (2014). Reviewer: Yoshitsugu Takei (Kyoto) MSC: 34M25 34-02 34M55 34E13 PDFBibTeX XMLCite \textit{Y. Umeta}, RIMS Kôkyûroku Bessatsu B52, 283--299 (2014; Zbl 1338.34169)
Umeta, Yoko Instanton-type solutions with free \((m+1)\)-parameters for the \(m\)-th member of the first Painlevé hierarchy. (English) Zbl 1361.34070 RIMS Kôkyûroku Bessatsu B40, 213-219 (2013). Reviewer: Ting-Bin Cao (Nanchang) MSC: 34E20 34M55 34M25 PDFBibTeX XMLCite \textit{Y. Umeta}, RIMS Kôkyûroku Bessatsu B40, 213--219 (2013; Zbl 1361.34070)
Aoki, Takashi; Honda, Naofumi; Umeta, Yoko On the number of the turning points of the second kind of the Noumi-Yamada systems with a large parameter. (English) Zbl 1315.34100 RIMS Kôkyûroku Bessatsu B37, 1-30 (2013). Reviewer: Yoshitsugu Takei (Kyoto) MSC: 34M60 34M55 34E20 PDFBibTeX XMLCite \textit{T. Aoki} et al., RIMS Kôkyûroku Bessatsu B37, 1--30 (2013; Zbl 1315.34100)