Vol. 13 (1999)

Volume 13-1999

• Sur la valuation stricte des Hypergrupes polysymmetriques canoniques

  Jean Mittas

  5-28

  • PDF

• Ideals in a semihypergroup and Green's relations

  A. Hasankhani

  29-36

  • PDF

• HYPERCOMPOSITIONAL STRUCTURES FROM THE COMPUTER THEORY

  Geronimos G. Massouros

  37-42

  • PDF

• CLOSURE SYSTEMS AND CLOSURE HYPERGROUPS

  Domenico Lenzi

  43-50

  • PDF

• ON SOME APPLICATIONS OF FUZZY SETS AND COMMUTATIVE HYPERGROUPS TO EVALUATION IN ARCHITECTURE AND TOWN-PLANNING

  Antonio Maturo, Barbara Ferri

  51-60

  • PDF

• Homomorphic relation on hyperingoinds and join hyperrings

  Geronimos G. Massouros, Christos G. Massouros

  61-70

  • PDF

• Lower and Upper Approximations in Hv- groups

  B. Davvaz

  71-86

  • PDF