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UNIFORMLY FUZZY CONTINUOUS ON THE FUZZY REAL LINE
Cheoi, Dae Ho,Kim, Tae Soo,Kim, Mi Hye 충청수학회 1999 충청수학회지 Vol.12 No.1
In this paper, we shall define the usual fuzzy distance between two real fuzzy points, using the usual distance between two points in $\mathbb{R}$. We introduce the fuzzy sequence in the fuzzy real line and the notion of limit of fuzzy sequence in $F_p(\mathbb{R})$, and obtain uniformly fuzzy continuous in $F_p(\mathbb{R})$.
JACOBI FIELDS AND CONJUGATE POINTS IN A COMPLETE RIEMANNIAN MANIFOLD
Cheoi, Dae Ho,Kim, Tae Soo 충청수학회 1998 충청수학회지 Vol.11 No.1
In this paper, we investigate some properties of Jacobi fields and conjugate points in a complete Riemannian manifold M. Also we get a necessary and sufficient condition about a geodesic without conjugate points in the manifold with non-negative curvature.
SOME PROPERTIES OF SEQUENCES IN THE FUZZY REAL LINE
Cheoi, Dae Ho,Kim, Tae Soo 충청수학회 1998 충청수학회지 Vol.11 No.1
In this paper, we shall define the usual fuzzy distance between two real fuzzy points, using the usual distance between two points in $\mathbb{R}$. We introduce the fuzzy sequence in the fuzzy real line and the notion of limit of fuzzy sequence in $F_p(\mathbb{R})$, and obtain the fuzzy increasing(decreasing) sequence and fuzzy Cauchy sequence of real fuzzy points.