Fixed points for non-surjective expansion mappings

B. K. Sharma, D. R. Sahu, M. Bounias and A. Bonaly

International Journal of Mathematics and Mathematical Sciences, 1998, vol. 21, 1-12

Abstract:

The contractive conditions of Popa (Demonstr. Math. 1990, 23, 213-218) were further improved for four non-surjective expansion mappings, and some common fixed point theorems under semi-compatible pairs of mappings are proved. Our main findings bring improvements to a number of results in the non-metric setting. Some implications for mathematical physics are raised with respect to physical invariants

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:738481

DOI: 10.1155/S0161171298000398

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