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• Proceedings of the Korean Society of Precision Engineering Conference
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• Bulletin of the Korean Mathematical Society
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• 1998

For Hilbert spaces H, K, a compact operator T: H $\rightarrow$ K, and column, row, operator Hilbert spaces $H_c,\;K_c,\;H_r,\;K_r,\;H_o, K_o$,we show that ${\parallel}T_{co}{\parallel}_{cb}={\parallel}T_{ro}{\parallel}_{cb}={\parallel}T_{oc}{\parallel}_{cb}={\parallel}T_{or}{\parallel}_{cb}={\parallel}T{\parallel}_4$.

• Proceedings of the PSK Conference
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• 2001.04a
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• pp.239-239
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• 2001

• Proceedings of the PSK Conference
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• 2001.04a
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• pp.110.2-111
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• 2001

• 한국초전도학회:학술대회논문집
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• v.11
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• pp.34-34
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• 2001

• Proceedings of the Korean Magnestics Society Conference
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• 2007.12a
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• pp.100-101
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• 2007

• Proceedings of the Korean Magnestics Society Conference
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• 1994.03a
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• pp.92-93
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• Proceedings of the PSK Conference
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• 2000.10a
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• pp.271.2-272
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• 2000

• Proceedings of the Korean Magnestics Society Conference
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• 2008.12a
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• pp.5.2-5.2
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• 2008