Berens, Roman; Hui, Lam; Sun, Zimo Ladder symmetries of black holes and de Sitter space: Love numbers and quasinormal modes. (English) Zbl 1528.83069 J. Cosmol. Astropart. Phys. 2023, No. 6, Paper No. 56, 37 p. (2023). MSC: 83C57 83F05 35B20 93C10 80A10 22E70 30C45 22D10 46B04 33D90 PDFBibTeX XMLCite \textit{R. Berens} et al., J. Cosmol. Astropart. Phys. 2023, No. 6, Paper No. 56, 37 p. (2023; Zbl 1528.83069) Full Text: DOI arXiv
Bullinger, H. J.; Warschat, J. Production-inventory systems with state constraints - control policies and objective functions. (English) Zbl 0542.90044 Mathematical modelling in science and technology, 4th int. Conf., Zürich/Switz. 1983, 202-207 (1984). MSC: 90B30 49J30 93A99 90B05 PDFBibTeX XML
Warschat, J.; Wunderlich, H. J. Time-optimal control policies for cascaded production-inventory systems with control and state constraints. (English) Zbl 0531.90042 Int. J. Syst. Sci. 15, 513-524 (1984). MSC: 90B30 93A99 49J30 90B05 93C15 93C99 93C10 PDFBibTeX XMLCite \textit{J. Warschat} and \textit{H. J. Wunderlich}, Int. J. Syst. Sci. 15, 513--524 (1984; Zbl 0531.90042) Full Text: DOI Link