• 한국수학교육학회지시리즈C:초등수학교육
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• 제25권4호
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• pp.361-375
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• 2022

이 연구에서는 2015 개정 교육과정에 따른 초등학교 1~2학년 수학 교과서 어휘를 등급 및 유형에 따라 분석하였다. 어휘 유형은 학습 도구어, 수학 교과 특수 개념어, 수학 교과 일반 개념어로 구분하여 분석하였다. 어휘 등급별 분석 결과, 1~2학년 수학 교과서에서는 1등급과 2등급 어휘가 대부분을 차지하고 있었다. 어휘 유형별 분석 결과, 학습 도구어 중 일부 어휘가 3등급 어휘로 나타났으며, 수학 교과 특수 개념어의 경우 미등록어이거나 1등급 어휘인 경우들이 많았다. 수학 교과 일반 개념어는 2학년 교과서에서의 빈도수가 1학년 교과서에 비해 크게 증가하였다. 이러한 결과를 기반으로 수학 교과서 어휘 지도를 위한 시사점을 제시하였다.

• Korean Journal of Mathematics
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• 제28권4호
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• pp.803-817
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• 2020

The object of the present paper is to study 𝜂-Ricci soliton on Kenmotsu manifold with respect to general connection.

• 한국수학교육학회지시리즈A:수학교육
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• 제49권3호
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• pp.329-341
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• 2010

In this paper, we analyzed the freshmen's achievements on general mathematics their GPA based on 'basic mathematics diagonal test score'. Also, we studied the achievements of students who were not passed the 'Basic Mathematics Diagonal Test (BMDT)' and had to take supplementary lessons to improve their mathematics abilities four times a week during the first semester of academic year 2008 in Mokpo National University. Before taking college entrance exam, high school students had to choose two types of scholastic area. One is on 'Ga' or 'Na' in mathematics and the other is on Natural Science or Social Science. According to the types, we classified the freshman-Ga or Na and NS or SS. We found some facts. First, a few of Ga and NS freshmen had low score on the BMDT. Second, Na and NS freshman got higher score than Na and SS freshmen on the BMDT. Third, Ga and NS freshmen who passed the BMDT got higher score on the general mathematics than those who failed the BMDT. Finally, there are correlations between achievements of general mathematics and a curriculum of freshmen who were passed test after taking supplementary lessons.

• 한국수학사학회지
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• 제36권3호
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• pp.37-57
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• 2023

In the history of elementary school mathematics education in Korea, the period led by the Government-General of Joseon during the Japanese colonial period cannot be omitted. As a way to grasp the real state of elementary school mathematics education at that time, there is a method of analyzing elementary school mathematics textbooks published by the Government-General of Joseon. However, the actual state of the publication of them was not sufficiently known. For this reason, this study surveys the actual state of the publication of those textbooks. To this end, real information on textbooks owned currently by various institutions and information on the publication of those textbooks in the official gazette and documents of the Government-General of Joseon were checked and organized.

• Journal of applied mathematics & informatics
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• 제27권1_2호
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• pp.343-350
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• 2009

We prove the existence of common fixed point for multivalued maps satisfying general contractive type conditions.

• International Journal of Control, Automation, and Systems
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• 제3권2호
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• pp.244-251
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• 2005

In this paper, we study the problem of stabilizing a general nonlinear control system by means of gradient descent control method which is a dynamic feedback control law. In this method, the general nonlinear control system can be considered as an affine nonlinear control systems. Then by using Sontag's formula we investigate the stability (asymptotic) of the general nonlinear control system.

• Nonlinear Functional Analysis and Applications
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• 제29권3호
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• pp.867-883
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• 2024

The objective of this article is to study the general set-valued nonlinear variational-hemivariational inequalities and investigate the gap function, regularized gap function and Moreau-Yosida type regularized gap functions for the general set-valued nonlinear variational-hemivariational inequalities, and also discuss the error bounds for such inequalities using the characteristic of the Clarke generalized gradient, locally Lipschitz continuity, inverse strong monotonicity and Hausdorff Lipschitz continuous mappings.

• 한국수학교육학회지시리즈E:수학교육논문집
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• 제24권3호
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• pp.525-541
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• 2010

P대학에서는 교양수학 교과에 대한 기초학력 부진학생들의 문제해결력 향상을 위하여, 대학 교육역량강화사업의 일환으로 수학카페 운영과 함께, 기초수학 특강, 개인지도 및 컴퓨터 활용학습 등을 시행하고 있다. 본 논문에서는 여름 및 겨울방학을 이용하여 기초수학 특강을 실시하고, 그 결과를 중심으로 수학에 대한 기초학력 부진학생들을 위한 효율적인 기초수학 학습지도 방안을 살펴보고자 한다.

• Journal of applied mathematics & informatics
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• 제30권1_2호
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• pp.211-217
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• 2012

In this paper, we give the weighted Lebesgue-Radon-Nikodym theorem with respect to $p$-adic invariant integral on $\mathbb{Z}_p$.

• Korean Journal of Mathematics
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• 제25권4호
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• pp.469-481
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• 2017

In this paper, we established a general nonconvex split variational inequality problem, this is, an extension of general convex split variational inequality problems in two different Hilbert spaces. By using the concepts of prox-regularity, we proved the convergence of the iterative schemes for the general nonconvex split variational inequality problems. Further, we also discussed the iterative method for the general convex split variational inequality problems.