충청수학회지 (Journal of the Chungcheong Mathematical Society)
- 제15권1호
- /
- Pages.7-23
- /
- 2002
- /
- 1226-3524(pISSN)
- /
- 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)
- 투고 : 2002.03.30
- 발행 : 2002.08.01
초록
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.