메뉴 건너뛰기




Volumn 178, Issue 18, 2008, Pages 3605-3615

The lower and upper approximations in a hypergroup

Author keywords

Closed subhypergroup; Fuzzy set; Hypergroup; Invertible subhypergroup; Rough set

Indexed keywords

ARTIFICIAL INTELLIGENCE; FUZZY SETS; SOFTWARE ENGINEERING;

EID: 46749144880     PISSN: 00200255     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ins.2008.05.009     Document Type: Article
Times cited : (59)

References (43)
  • 2
    • 0039623338 scopus 로고
    • Algebraic structures of rough sets
    • Ziarko W.P. (Ed), Springer-Verlag, Berlin
    • Bonikowaski Z. Algebraic structures of rough sets. In: Ziarko W.P. (Ed). Rough sets, Fuzzy sets and Knowledge Discovery (1995), Springer-Verlag, Berlin 242-247
    • (1995) Rough sets, Fuzzy sets and Knowledge Discovery , pp. 242-247
    • Bonikowaski, Z.1
  • 3
    • 34548255283 scopus 로고    scopus 로고
    • Notes on the lower and upper approximations in a fuzzy group and rough ideals in semigroups
    • 15 November
    • Cheng W., Mo Z.W., and Wang J. Notes on the lower and upper approximations in a fuzzy group and rough ideals in semigroups. Inform. Sci. 177 22 (2007) 5134-5140 15 November
    • (2007) Inform. Sci. , vol.177 , Issue.22 , pp. 5134-5140
    • Cheng, W.1    Mo, Z.W.2    Wang, J.3
  • 4
    • 0040634308 scopus 로고
    • On connections between information systems rough, sets and algebraic logic
    • Banach Center Publications
    • Comer S.D. On connections between information systems rough, sets and algebraic logic. Algebraic Methods Logic Comput. Sci. 28 (1993), Banach Center Publications 117-124
    • (1993) Algebraic Methods Logic Comput. Sci. , vol.28 , pp. 117-124
    • Comer, S.D.1
  • 5
    • 46749146219 scopus 로고    scopus 로고
    • P. Corsini, Rough Sets, Fuzzy Sets and Join Spaces, Honorary volume dedicated to Professor Emeritus Ioannis Mittas, Artistotle University of Thessaloniki, 1999-2000.
    • P. Corsini, Rough Sets, Fuzzy Sets and Join Spaces, Honorary volume dedicated to Professor Emeritus Ioannis Mittas, Artistotle University of Thessaloniki, 1999-2000.
  • 6
    • 46749154353 scopus 로고    scopus 로고
    • P. Corsini, Prolegomena of Hypergroup Theory, Aviani Editore, 1993, Italy.
    • P. Corsini, Prolegomena of Hypergroup Theory, Aviani Editore, 1993, Italy.
  • 7
    • 27744466546 scopus 로고    scopus 로고
    • Applications of hyperstructure theory
    • Kluwer Academic Publishers
    • Corsini P., and Leoreanu V. Applications of hyperstructure theory. Advances in Mathematics vol. 5 (2003), Kluwer Academic Publishers
    • (2003) Advances in Mathematics , vol.5
    • Corsini, P.1    Leoreanu, V.2
  • 8
    • 33646912283 scopus 로고    scopus 로고
    • Roughness based on fuzzy ideals
    • 22 August
    • Davvaz B. Roughness based on fuzzy ideals. Inform. Sci. 176 16 (2006) 2417-2437 22 August
    • (2006) Inform. Sci. , vol.176 , Issue.16 , pp. 2417-2437
    • Davvaz, B.1
  • 9
    • 3042813950 scopus 로고    scopus 로고
    • Roughness in rings
    • Davvaz B. Roughness in rings. Inform. Sci. 164 1-4 (2004) 147-163
    • (2004) Inform. Sci. , vol.164 , Issue.1-4 , pp. 147-163
    • Davvaz, B.1
  • 10
    • 0039031134 scopus 로고    scopus 로고
    • Rough sets in a fundamental ring
    • Davvaz B. Rough sets in a fundamental ring. Bull. Iranian Math. Soc. 24 2 (1998) 49-61
    • (1998) Bull. Iranian Math. Soc. , vol.24 , Issue.2 , pp. 49-61
    • Davvaz, B.1
  • 11
    • 33745151931 scopus 로고    scopus 로고
    • v-groups
    • v-groups. Soft Comput. 10 (2006) 1043-1046
    • (2006) Soft Comput. , vol.10 , pp. 1043-1046
    • Davvaz, B.1
  • 13
    • 0039049168 scopus 로고    scopus 로고
    • Fuzzy Hv-groups
    • Davvaz B. Fuzzy Hv-groups. Fuzzy Sets Syst. 101 (1999) 191-195
    • (1999) Fuzzy Sets Syst. , vol.101 , pp. 191-195
    • Davvaz, B.1
  • 14
    • 0035255346 scopus 로고    scopus 로고
    • Fuzzy Hv submodules
    • Davvaz B. Fuzzy Hv submodules. Fuzzy Sets Syst. 117 (2001) 477484
    • (2001) Fuzzy Sets Syst. , vol.117 , pp. 477484
    • Davvaz, B.1
  • 15
    • 33745171034 scopus 로고    scopus 로고
    • Generalized fuzzy sub-hyperquasigroups of hyper-quasigroups
    • Davvaz B., and Corsini P. Generalized fuzzy sub-hyperquasigroups of hyper-quasigroups. Soft Comput. 10 11 (2006) 1109-1114
    • (2006) Soft Comput. , vol.10 , Issue.11 , pp. 1109-1114
    • Davvaz, B.1    Corsini, P.2
  • 16
    • 33748794541 scopus 로고    scopus 로고
    • Roughness in modules
    • 15 December
    • Davvaz B., and Mahdavipour M. Roughness in modules. Inform. Sci. 176 24 (2006) 3658-3674 15 December
    • (2006) Inform. Sci. , vol.176 , Issue.24 , pp. 3658-3674
    • Davvaz, B.1    Mahdavipour, M.2
  • 17
    • 84963133436 scopus 로고
    • Rough fuzzy sets and fuzzy rough sets
    • Dubois D., and Prade H. Rough fuzzy sets and fuzzy rough sets. Int. J. Gen. Syst. 17 2-3 (1990) 191-209
    • (1990) Int. J. Gen. Syst. , vol.17 , Issue.2-3 , pp. 191-209
    • Dubois, D.1    Prade, H.2
  • 18
    • 0000343385 scopus 로고
    • Algebraic approach to rough sets
    • Iwinski T. Algebraic approach to rough sets. Bull. Polish Acad. Sci. Math. 35 (1987) 673-683
    • (1987) Bull. Polish Acad. Sci. Math. , vol.35 , pp. 673-683
    • Iwinski, T.1
  • 19
    • 0031206635 scopus 로고    scopus 로고
    • Rough ideals in semigroups
    • Kuroki N. Rough ideals in semigroups. Inform. Sci. 100 (1997) 139-163
    • (1997) Inform. Sci. , vol.100 , pp. 139-163
    • Kuroki, N.1
  • 20
    • 0038589574 scopus 로고    scopus 로고
    • Structure of rough sets and rough groups
    • Kuroki N., and Mordeson J.N. Structure of rough sets and rough groups. J. Fuzzy Math. 5 1 (1997) 183-191
    • (1997) J. Fuzzy Math. , vol.5 , Issue.1 , pp. 183-191
    • Kuroki, N.1    Mordeson, J.N.2
  • 21
    • 0030127824 scopus 로고    scopus 로고
    • The lower and upper approximations in a fuzzy group
    • Kuroki N., and Wang P.P. The lower and upper approximations in a fuzzy group. Inform. Sci. 90 (1996) 203-220
    • (1996) Inform. Sci. , vol.90 , pp. 203-220
    • Kuroki, N.1    Wang, P.P.2
  • 22
    • 46749157021 scopus 로고    scopus 로고
    • V. Leoreanu, Direct limits and products of join spaces associated with rough sets, Honorary volume dedicated to Professor Emeritus Ioannis Mittas, Artistotle University of Thessaloniki, 1999-2000.
    • V. Leoreanu, Direct limits and products of join spaces associated with rough sets, Honorary volume dedicated to Professor Emeritus Ioannis Mittas, Artistotle University of Thessaloniki, 1999-2000.
  • 23
    • 44949152751 scopus 로고    scopus 로고
    • Direct limits and products of join spaces associated with rough sets, Part II
    • Leoreanu V. Direct limits and products of join spaces associated with rough sets, Part II. Int. J. Sci. Technol. Univ. Kashan 1 1 (2000)
    • (2000) Int. J. Sci. Technol. Univ. Kashan , vol.1 , Issue.1
    • Leoreanu, V.1
  • 24
    • 46749135283 scopus 로고    scopus 로고
    • V. Leoreanu-Fotea, B. Davvaz, Join n-spaces and lattices, Multiple Valued Logic and Soft Computing, in press.
    • V. Leoreanu-Fotea, B. Davvaz, Join n-spaces and lattices, Multiple Valued Logic and Soft Computing, in press.
  • 25
    • 42649127083 scopus 로고    scopus 로고
    • V. Leoreanu-Fotea, B. Davvaz, n-hypergroups and binary relations, European Journal of Combinatorics, Corrected Proof, Available online 5 September 2007, doi: 10.1016/j.ejc.2007.06.025.
    • V. Leoreanu-Fotea, B. Davvaz, n-hypergroups and binary relations, European Journal of Combinatorics, Corrected Proof, Available online 5 September 2007, doi: 10.1016/j.ejc.2007.06.025.
  • 31
    • 33749680310 scopus 로고    scopus 로고
    • Rudiments of rough sets
    • 1 January
    • Pawlak Z., and Skowron A. Rudiments of rough sets. Inform. Sci. 177 1 (2007) 3-27 1 January
    • (2007) Inform. Sci. , vol.177 , Issue.1 , pp. 3-27
    • Pawlak, Z.1    Skowron, A.2
  • 32
    • 33749667344 scopus 로고    scopus 로고
    • Rough sets: some extensions
    • 1 January
    • Pawlak Z., and Skowron A. Rough sets: some extensions. Inform. Sci. 177 1 (2007) 28-40 1 January
    • (2007) Inform. Sci. , vol.177 , Issue.1 , pp. 28-40
    • Pawlak, Z.1    Skowron, A.2
  • 33
    • 33749668975 scopus 로고    scopus 로고
    • Rough sets and Boolean reasoning
    • 1 January
    • Pawlak Z., and Skowron A. Rough sets and Boolean reasoning. Inform. Sci. 177 1 (2007) 41-73 1 January
    • (2007) Inform. Sci. , vol.177 , Issue.1 , pp. 41-73
    • Pawlak, Z.1    Skowron, A.2
  • 40
    • 0032142371 scopus 로고    scopus 로고
    • Constructive and algebraic methods of the theory of rough sets
    • Yao Y.Y. Constructive and algebraic methods of the theory of rough sets. Inform. Sci. 109 (1998) 21-44
    • (1998) Inform. Sci. , vol.109 , pp. 21-44
    • Yao, Y.Y.1
  • 41
  • 43
    • 34548228836 scopus 로고    scopus 로고
    • Generalized rough sets based on relations
    • 15 November
    • Zhu W. Generalized rough sets based on relations. Inform. Sci. 177 22 (2007) 4997-5011 15 November
    • (2007) Inform. Sci. , vol.177 , Issue.22 , pp. 4997-5011
    • Zhu, W.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.