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A study on the set-valued discrete dynamical system $(2^X$, $\overline f )$
이경복 충청수학회 2017 충청수학회지 Vol.30 No.3
This paper is devoted to some dynamical properties such as transitivity, mixing and specification of two discrete dynamical systems $(X,~f)$ and $(2^X,~\overline f)$ on compact metric spaces.
이경복,김순례,Lee, Kyung Bok,Kim, Soon-Lae 한국가정간호학회 2014 가정간호학회지 Vol.21 No.2
Purpose: This study aimed to investigate the effects of a program for increasing self-care with activities of daily living among the elderly living at home. Methods: The study adopted a non-equivalent control group pretest-posttest design. The number of participants were 30 in the experimental group and 30 in the control group. Participants were persons aged 65 years and above in Busan. The experimental group was provided with for 16 different types of self-care behaviors by family nurses who made weekly home visits to these participants. Each visit lasted for more than 30 minutes, and the visits were conducted for 12 weeks. The research instrument used in this study was a scale developed by Shimanouchi et al. (2003) which assessed self-care behavior, activities of daily living, and depression. Results: The experimental group showed an increase in self-care behavior compared to the control group. Time and group variables were also found to have an interaction effect on the daily living activity level. The experimental group showed an increase in the activities of daily living compared to the control group. Depression scores dropped from 9.4 to 5.8 in the experimental group and from 8.6 to 7.0 in the control group. Conclusion: We found that the self-care behavior program improved the levels of independence and activities of daily living among the elderly living at home.
THE CHAIN RECURRENT SET ON COMPACT TVS-CONE METRIC SPACES
이경복 충청수학회 2020 충청수학회지 Vol.33 No.1
Conley introduced attracting sets and repelling sets for a flow on a topological space and showed that if $f$ is a flow on a compact metric space, then $\mathcal R(f)=\bigcap \{ A_U \cup A_U^* | U$ is a trapping region for $f\}$. In this paper we introduce chain recurrent set, trapping region, attracting set and repelling set for a flow $f$ on a TVS-cone metric space and prove that if $f$ is a flow on a compact TVS-cone metric space, then $\mathcal R(f)=\bigcap \{ A_U \cup A_U^* | U$ is a trapping region for $f\}$.
이경복 이화사학연구소 2003 梨花史學硏究 Vol.0 No.30
As previously staled, I studied on the formation, management and transition of the field(田莊) of Taean temple(大安寺) far this study, I inoertigated on the malerials of Jeokin gernrient insirntion(寂忍禪師碑文) and kangga saint insirntion(廣慈大師碑文). The formation of field of Taean temple was formed of by eomgang(閻長) contribution and cleareny when the gernrient was in the Taean temple. There field was protected by munsong(文聖王), the 46th of united Sillla(新羅), and consequently resulted as Taean temple landed properly and especially, tox exemption of these lands because, as Haein temple(海印寺), tongto temple(通渡寺), the kyo or zextual schoal(敎宗) temple, Unmun temple(雲門寺), songju temple(聖住寺), the Son or contemplative schoal(禪宗) temple, temple land is tox exemption of these land, in those days. The fields of Taean temple, funged under cultimation by displaced peaple when the germrient was in the taean temple. The fields of Taean temple was managed as these land was made by eomgamg's contribution and clearing. The tenant farmers, was subordinate to Taean temple, tenanted Taean temple's land and paid a half-share agricultural products as toxer through the manager of tenant farms. The chasucteristic of the management of Taean temple fields are managed by sharecropping contrasy to aristocratic fields cultivated by made and female servants and employee. But, Taean temple made a poor living when the saint's and the germrient's best pupil was in the Taean temple. The cause resulted from the tronsition of the later three kingdom(後三國). Taean temple go through hardships to maintain it's fields. Because it is near the influencing power of Kyonhwon(甄萱), the founder of the state later Paekche(後百濟), one of the Eater three kingdoms, but it's not connected with Kyonhwon, However it's economic difficulties were conquered, by the union of the saint and Wangkon(王建), Koryo(高麗) founder king. Taejo(太祖) Wangkon grant's the right of the collection of Taean temples fields rents of Taean temple. After all, It is to fulfill the so-called stipend land law(chonsikwa(田柴科)), instituted ininitially by the 5th king, Kyongjong(光宗), in 976, with the objected of supporting independent peasant(自營農) out of the direct collection of broad acres the aristocracy.