IJPAM: Volume 86, No. 5 (2013)
1Department of Mathematics
Youngin, 449-728, KOREA
2Department of Mathematics
Kangwon National University
Chuncheon, 200-701, KOREA
Abstract. The purpose of this paper is to introduce the notion of σ-structures and to investigate some properties for the structures. In particular, we investigate enlarging and quasi-enlarging operations induced by σ-structures.
Received: February 21, 2013
AMS Subject Classification: 54A05
Key Words and Phrases: σ-structure, quasi-enlargement, preserving maps
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DOI: 10.12732/ijpam.v86i5.3 How to cite this paper?
Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395