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ON THE STRICTLY POSITIVE SOLUTIONS OF NONAUTONOMOUS KOLMOGOROV COMPETITION SYSTEMS
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作者 TengZhidong YuYuanhong 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 1999年第3期283-292,共10页
In this paper, the existence of strictly positive solutions for N-species nonau- tonom ous Kolm ogorov com petition system s is studied. By applying the Schauder's fixed point theorem som e new sufficient condit... In this paper, the existence of strictly positive solutions for N-species nonau- tonom ous Kolm ogorov com petition system s is studied. By applying the Schauder's fixed point theorem som e new sufficient conditions are established. In particular, for the alm ost periodic system , the existence of strictly positive alm ostperiodic solutions is obtained. Som e previous results are im proved and generalized. 展开更多
关键词 Nonautonom ous Kolm ogorov system com petition strictly positve solution alm ostperi- odic solution Schauder's fixed pointtheorem
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Evolution of research methods in Psychology
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作者 Song Xiuhuan 《International English Education Research》 2014年第7期69-71,共3页
psychology has more than 100 years developmwnt history, and make great success during this time. But in the after development, psychology met the unprecedented contradiction and conflict, facing division and broken, a... psychology has more than 100 years developmwnt history, and make great success during this time. But in the after development, psychology met the unprecedented contradiction and conflict, facing division and broken, and in the embrassmed situation of divorced from society, positive psychology is emerge as the times requirement in this crisis. In order to better guide the development to positive psychology, providing philosophical theory and instructions on methodology,it is neeessary to discuss about the positive psycholog from a philosophical perspective. Since 1879 the western modern psychology come into being, the psychology of natural science orientation has been the mainstream of psychology. In addition, admit the uniqueness of man, attention to people's inner experience of humanistic psychology, also occupies a space in the confrontation with the reflection of the mainstream of scientific psychology, positive psychology from the research content to lead psychology to another port, but the research methods are not completely abandon the previous research methods of positivism psychology, but more introduced humanism based on the oositivism research method of scientific oriented. 展开更多
关键词 psychology positve psychology research method methodology
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