Generalized lower and upper approximations in a ring. (Q975866)
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scientific article; zbMATH DE number 5720203
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Generalized lower and upper approximations in a ring. |
scientific article; zbMATH DE number 5720203 |
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Generalized lower and upper approximations in a ring. (English)
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11 June 2010
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lower approximations
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upper approximations
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set-valued mappings
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set-valued homomorphisms
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rough sets
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rough subrings
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rough ideals
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0.9440474
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0.8733517
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