The Monoid Consisting of Kuratowski Operations
The paper fills gaps in knowledge about Kuratowski operations which are already in the literature. The Cayley table for these operations has been drawn up. Techniques, using only paper and pencil, to point out all semigroups and its isomorphism types are applied. Some results apply only to topology,...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2013-01-01
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| Series: | Journal of Mathematics |
| Online Access: | http://dx.doi.org/10.1155/2013/289854 |
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| Summary: | The paper fills gaps in knowledge about Kuratowski
operations which are already in the literature. The Cayley table
for these operations has been drawn up. Techniques, using only
paper and pencil, to point out all semigroups and its isomorphism
types are applied. Some results apply only to topology, and one cannot bring them out, using only properties of the complement and
a closure-like operation. The arguments are by systematic study
of possibilities. |
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| ISSN: | 2314-4629 2314-4785 |