| Conţinutul numărului revistei |
| Articolul precedent |
| Articolul urmator |
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 910 2 |
| Ultima descărcare din IBN: 2017-04-28 17:36 |
| Căutarea după subiecte similare conform CZU |
| 519.147+512.567.7+517.988 (1) |
| Analiză combinatorică. Teoria grafurilor (114) |
| Algebră (400) |
| Ecuații diferențiale. Ecuații integrale. Alte ecuații funcționale. Diferențe finite. Calculul variațional. Analiză funcțională (242) |
 SM ISO690:2012GE, Xun. On Covering Approximation Subspaces
. In: Computer Science Journal of Moldova, 2009, nr. 1(49), pp. 74-88. ISSN 1561-4042. |
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 Computer Science Journal of Moldova |
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| Numărul 1(49) / 2009 / ISSN 1561-4042 /ISSNe 2587-4330 | ||||||
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| CZU: 519.147+512.567.7+517.988 | ||||||
| Pag. 74-88 | ||||||
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 Descarcă PDF |
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| Rezumat | ||||||
Let (U0
; C0) be a subspace of a covering approximation
space (U; C) and X ½ U0
. In this paper, we show that
C0(X) = C(X)TU0 and B0(X) ½ B(X)TU0
. Also, C(X) =
C0(X)TC(U0) i® (U; C) has Property Multiplication. Furthermore, some connections between outer (resp. inner) definable
subsets in (U; C) and outer (resp. inner) definable subsets in
(U0
; C0) are established. These results answer a question on covering approximation subspace posed by J. Li, and are helpful to
obtain further applications of Pawlak rough set theory in pattern
recognition and artificial intelligence. |
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| Cuvinte-cheie Rough set, covering approximation subspace, covering approximation operator, definable, outer definable |
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