• East Asian mathematical journal
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• v.26 no.2
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• pp.191-218
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• 2010

In this paper, we investigate areas of plane in some San Hak Seos, and elementary and middle school mathematics education in Korea and China.

• East Asian mathematical journal
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• v.24 no.5
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• pp.431-464
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• 2008

In this paper, we investigate reduction and four rules of fractional calculation on GuJangSulHae and the other Sanhakseo, and elementary school mathematics education.

• East Asian mathematical journal
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• v.23 no.1
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• pp.103-110
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• 2007

The purpose of this paper is to introduce the concept of fuzzy set connected functions and investigate their properties.

• East Asian mathematical journal
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• v.15 no.1
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• pp.147-151
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• 1999

• East Asian mathematical journal
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• v.28 no.1
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• pp.1-11
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• 2012

In this paper, the concept of fuzzy soft module is introduced, some of their properties are discussed. Furthermore, the concept of fuzzy soft exactness is also given.

• East Asian mathematical journal
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• v.21 no.2
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• pp.183-190
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• 2005

We will introduce the notion of fuzzy multiplication ring using fuzzy ideal. In this paper we will show that a fuzzy ideal I is primary if radI is prime. And we will investigate some properties related the theorem.

• East Asian mathematical journal
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• v.15 no.2
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• pp.277-290
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• 1999

In this paper, we investigate the existence of a two dimensional surface in a four dimensional equiaffine space and characterize that surface.

• East Asian mathematical journal
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• v.14 no.2
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• pp.371-375
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• 1998

• East Asian mathematical journal
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• v.14 no.2
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• pp.329-341
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• 1998

In this paper, we investigate the existence of the two dimensional surface in four dimensional equiaffine space and characterize that surface.

• East Asian mathematical journal
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• v.27 no.5
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• pp.573-583
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• 2011

In this paper, we prove a common fixed point theorem for noncompatible, discontinuous mappings on a Banach space. Our main theorem extends, improves, generalizes some known results on Banach spaces.