• Bulletin of the Korean Mathematical Society
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• v.39 no.2
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• pp.237-249
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• 2002

We study nondegenerate immersions of Riemannian manifolds of constant sectional curvatures into Lorentzian manifolds of the same constant sectional curvatures with flat normal bundles. We also give a method to produce such immersions using the so-called Grassmannian system. .

• Archives of Plastic Surgery
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• v.43 no.2
• /
• pp.216-218
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• 2016

• Proceedings of the Korean Society of Crop Science Conference
• /
• 2017.10a
• /
• pp.242-242
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• 2017

• Proceedings of the Korean Society of Crop Science Conference
• /
• 2017.10a
• /
• pp.243-243
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• 2017

• Proceedings of the Korea Air Pollution Research Association Conference
• /
• 2006.04a
• /
• pp.152-153
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• 2006

• Communications of the Korean Institute of Information Scientists and Engineers
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• v.26 no.4
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• pp.73-78
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• 2008

• Korea Information Processing Society Review
• /
• v.23 no.6
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• pp.22-32
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• 2016

• Proceedings of the Materials Research Society of Korea Conference
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• 2007.11a
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• pp.87.1-87.1
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• 2007

• 대한생식의학회:학술대회논문집
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• 2007.11a
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• pp.119-119
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• 2007

• Proceedings of the Korean Environmental Sciences Society Conference
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• 2016.10a
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• pp.191-191
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• 2016