Journal of the Chungcheong Mathematical Society (충청수학회지)
- Volume 15 Issue 1
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- Pages.7-23
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- 2002
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- 1226-3524(pISSN)
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- 2383-6245(eISSN)
EXPANSIVITY OF A CONTINUOUS SURJECTION
- Choi, Sung Kyu (Department of Mathematics Chungnam National University) ;
- Chu, Chin-Ku (Department of Mathematics Chungnam National University) ;
- Park, Jong Suh (Department of Mathematics Chungnam National University)
- Received : 2002.03.30
- Published : 2002.08.01
Abstract
We introduce the notion of expansivity for a continuous surjection on a compact metric space, as the positively and negatively expansive map. We also prove that some well-known properties about positively expansive maps in [2] hold by using our definition.