• Proceedings of the Korean Institute of Intelligent Systems Conference
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• 1997.10a
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• pp.367-369
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• 1997

We introduce a notion of fuzzy L-convergence of filters and show that the collection of fuzzy L-convergence spaces forms a cartesian closed topological category.

• East Asian mathematical journal
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• v.18 no.2
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• pp.211-218
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• 2002

In this paper, we introduce the notion of almost topological convergence spaces and almost pretopological convergence spaces, and prove that these are product invariant.

• Honam Mathematical Journal
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• v.25 no.1
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• pp.131-139
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• 2003

The notion of intuitionistic fuzzy ${\alpha}$-continuity is introduced, and its characterization is given.

• Journal of the Chungcheong Mathematical Society
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• v.2 no.1
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• pp.75-80
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• 1989

In this paper we introduce the notion of C-lindel$\ddot{o}$f spaces, and we discuss some of the properties that C-Lindel$\ddot{o}$f spaces satisfy.

• Journal of the Chungcheong Mathematical Society
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• v.12 no.1
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• pp.15-21
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• 1999

In this paper, we introduce the notion of anti fuzzy prime ideals in a commutative BCK-algebra and obtain some properties of it.

• Journal of the Chungcheong Mathematical Society
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• v.18 no.2
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• pp.215-222
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• 2005

In this paper, the notion of a generalized quasi-normed space is introduced and its completion is investigated.

• Journal of the Chungcheong Mathematical Society
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• v.22 no.3
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• pp.571-577
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• 2009

The notion of subdirect sum and direct sum in WFI-algebras is introduced, and several properties are investigated.

• Journal for History of Mathematics
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• v.13 no.2
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• pp.41-48
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• 2000

In this paper, we explore the origin of the notion of an M-ideal, and appreciate the richness of algebraic and geometric properties of an M-ideal.

• Journal of applied mathematics & informatics
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• v.6 no.1
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• pp.167-202
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• 1999

In this paper we introduce the concept of an interval-valued fuzzy subhypergroup of a hypergroup which is an extended notion of a fuzzy subhypergroup of a hypergroup and give some properties of such subhypergroups.

• Korean Journal of Mathematics
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• v.15 no.1
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• pp.79-85
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• 2007

We study codes over the polynomial ring $\mathbb{F}_q[D]$ and introduce the notion of basic codes which play a fundamental role in the theory.