• 대한수학회보
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• 제49권6호
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• pp.1335-1348
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• 2012

We prove a Hardy inequality related to Carnot-Carath$\acute{e}$odory distance on H-type groups based on a representation formula on such groups.

• 대한수학회지
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• 제37권2호
• /
• pp.269-284
• /
• 2000

We discuss completeness with respect to the Caratheodory distance, the Kobayashi distance and the Beraman distance, respectively.