• 한국조경학회지
• /
• 제27권3호
• /
• pp.88-97
• /
• 1999

Current landscape management is focused towards managing uniformly, such as setting a limit on building's height and managing by putting first priority on building. For this reason, broader impact of landscape has not been studies thoroughly, and it was considered to be an important factor of not being able to operate diverse and active landscape management. Accordingly, the objective of this particular research to establish concrete and diverse device for managing landscape by adapting Map Algebra and Spatial Statistics, as one of the means of efficient landscape management, and applying the effectiveness of each landscape element in numerical value. Furthermore, this research was done in order to make a spatial estimation possible for resources to be located in compliance with each facility or landscape condition of individual region.

• 한국가스학회지
• /
• 제3권3호
• /
• pp.29-33
• /
• 1999

본 연구는 정량적 위험 평가의 기반 조성을 위해서 다양한 위험 평가 기법 중에서 이상 트리 분석(Fault Tree Analysis) 방법을 이용하여 빈도 분석 프로그램을 개발하였다. 빈도 분석 프로그램을 구축하기 위하여 계산 과정에서는 gate-by-gate 방법과 부울 대수 (Boolean algebra) 방법을 이용하였고, minimal cut set 방법을 이용하여 사고 발생 경로를 정량적으로 표현하였다 결론적으로 본 연구에서 개발한 빈도 분석 프로그램을 이용하여 사고 발생 빈도를 낮출 수 있다면 공정 전체의 안전성을 높이는데 큰 도움이 될 것이며, 기존에 사용되고 있는 외국의 S/W를 대체할 수 있을 것이라고 사료된다.

• Journal of applied mathematics & informatics
• /
• 제26권3_4호
• /
• pp.751-755
• /
• 2008

Formanek([2]) proved that $M_n(K)$, the matrix algebra has a nontrivial central polynomial when char K = 0. Also Razmyslov([3]) showed the same result using the essential weak identity. In this article we explicitly compute Formanek's central polynomial for $M_2(\mathbb{C})$ and $M_3(\mathbb{C})$ and classify the coefficients of the central polynomial.

• Journal of applied mathematics & informatics
• /
• 제22권1_2호
• /
• pp.563-568
• /
• 2006

We introduce how to construct a non-unimodal level O-sequence which has all different local maxima as many as we desire.

• 대한수학회논문집
• /
• 제27권1호
• /
• pp.1-6
• /
• 2012

In [K. J. Lee and C. H. Park, Some questions on fuzzifications of ideals in subtraction algebras, Commun. Korean Math. Soc. 22 (2007), no. 3, 359-363], Lee and Park posed three questions. In this paper, the affirmative answers to their questions are provided, and characterizations of fuzzy ideals are investigated.

• 한국수학사학회지
• /
• 제22권3호
• /
• pp.45-60
• /
• 2009

수학적 사고는 외적 기호에 의해 기호화되고, 역으로 이 기호는 사고의 형태를 결정한다. 기호는 - 대수학에서의 기호, 해석학에서의 기호 그리고 삼단논법을 검증해주는 다이어그램 - 수학연구에서 수행하는 사고 작용의 다양성을 반영하고 각각 발견법적 기능을 수행한다.

• Journal of applied mathematics & informatics
• /
• 제7권3호
• /
• pp.995-1004
• /
• 2000

In this paper we shall give a slight generalization of J. Vukman's Theorem. And show from the result that the image of a continuous linear Jordan derivation on a noncommutative Banach algebra A is contained in the radical under the condition [D(x),x]E(x) ${\in}$ rad(A) for all $x{\in}A$ . And we show some properties of the derivations on noncommutative Banach algebras.

• Korean Journal of Mathematics
• /
• 제16권3호
• /
• pp.335-348
• /
• 2008

We define Fourier-Yeh-Feynman transform and convolution product on the Yeh-Wiener space, and establish the existence of Fourier-Yeh-Feynman transform and convolution product for functionals in a Banach algebra $\mathcal{S}(Q)$. Also we obtain Parseval's relation for those functionals.

• 한국수학교육학회지시리즈B:순수및응용수학
• /
• 제14권3호
• /
• pp.223-230
• /
• 2007

We give an answer to the following question: Question. Let S be a subset of [0,1] containing a maximal element m > 0 and let C :=$\{I_{t}\;{\mid}\;t{\in}S\}$ be a decreasing chain of ideals of a BCK/BCI-algebra X. Then does there exists a fuzzy ideal ${\mu}(X)=S\;and\;C_{\mu}=C?$.

• 대한수학회논문집
• /
• 제9권3호
• /
• pp.531-538
• /
• 1994

This paper is a continuation of [1] and [3]. In [3], the notion of BCI-G parts of BCI-algebras was introduced and various properties were investigated. In this paper, we consider the inverse of [3; Theorem 15], and define a KG-union BCI-algebra and investigate their properties.