Xu, Ying-tao; Zhang, Ying; Lv, Zhen-hong Optimal control of a quality supervision profit model for the electronic intermediary. (English) Zbl 1499.90070 Appl. Math., Ser. B (Engl. Ed.) 36, No. 2, 159-171 (2021). MSC: 90B25 90B50 PDFBibTeX XMLCite \textit{Y.-t. Xu} et al., Appl. Math., Ser. B (Engl. Ed.) 36, No. 2, 159--171 (2021; Zbl 1499.90070) Full Text: DOI
Liu, Yan; He, Ze-rong Stability results for a nonlinear two-species competition model with size-structure. (English) Zbl 1474.92134 Appl. Math., Ser. B (Engl. Ed.) 36, No. 1, 1-15 (2021). MSC: 92D40 47D06 35B35 PDFBibTeX XMLCite \textit{Y. Liu} and \textit{Z.-r. He}, Appl. Math., Ser. B (Engl. Ed.) 36, No. 1, 1--15 (2021; Zbl 1474.92134) Full Text: DOI
Liu, Yan; Cheng, Xiaoliang; He, Zerong On the optimal harvesting of size-structured population dynamics. (English) Zbl 1299.49027 Appl. Math., Ser. B (Engl. Ed.) 28, No. 2, 173-186 (2013). MSC: 49K40 49J20 49K20 92B05 92D25 PDFBibTeX XMLCite \textit{Y. Liu} et al., Appl. Math., Ser. B (Engl. Ed.) 28, No. 2, 173--186 (2013; Zbl 1299.49027) Full Text: DOI
He, Zerong; Liu, Lili; Luo, Zhixue Global positive periodic solutions of age-dependent competing systems. (English) Zbl 1234.92064 Appl. Math., Ser. B (Engl. Ed.) 26, No. 1, 38-46 (2011). MSC: 92D40 35Q92 47H10 35B10 PDFBibTeX XMLCite \textit{Z. He} et al., Appl. Math., Ser. B (Engl. Ed.) 26, No. 1, 38--46 (2011; Zbl 1234.92064) Full Text: DOI
He, Zerong; Wang, Haitao Control problems of an age-dependent predator-prey system. (English) Zbl 1212.35485 Appl. Math., Ser. B (Engl. Ed.) 24, No. 3, 253-262 (2009). MSC: 35Q93 35B50 49J20 49K20 92D40 PDFBibTeX XMLCite \textit{Z. He} and \textit{H. Wang}, Appl. Math., Ser. B (Engl. Ed.) 24, No. 3, 253--262 (2009; Zbl 1212.35485) Full Text: DOI