Volume 23 (2026)
Volume 22 (2025)
Volume 21 (2024)
Volume 20 (2023)
Volume 19 (2022)
Volume 18 (2021)
Volume 17 (2020)
Volume 16 (2019)
Volume 15 (2018)
Volume 14 (2017)
Volume 13 (2016)
Volume 12 (2015)
Volume 11 (2014)
Volume 10 (2013)
Volume 9 (2012)
Volume 8 (2011)
Volume 7 (2010)
Volume 5 (2008)
Volume 4 (2007)
Volume 3 (2006)
Volume 2 (2005)
Volume 1 (2004)
A NOTE ON EVALUATION OF FUZZY LINEAR REGRESSION MODELS BY COMPARING MEMBERSHIP FUNCTIONS

H. Hassanpour; H. R. Malek; M. A. Yaghoobi

Volume 6, Issue 2 , May and June 2009, Pages 1-6

Abstract
  Kim and Bishu (Fuzzy Sets and Systems 100 (1998) 343-352) proposeda modification of fuzzy linear regression analysis. Their modificationis based on a criterion of minimizing the difference of the fuzzy membershipvalues between the observed and estimated fuzzy numbers. We show that theirmethod often does ...  Read More

DIRECTLY INDECOMPOSABLE RESIDUATED LATTICES

Lavinia Corina Ciungu

Volume 6, Issue 2 , May and June 2009, Pages 7-18

Abstract
  The aim of this paper is to extend results established by H. Onoand T. Kowalski regarding directly indecomposable commutative residuatedlattices to the non-commutative case. The main theorem states that a residuatedlattice A is directly indecomposable if and only if its Boolean center B(A)is {0, 1}. ...  Read More

UNIFORM AND SEMI-UNIFORM TOPOLOGY ON GENERAL FUZZY AUTOMATA

M. Horry; M. M. Zahedi

Volume 6, Issue 2 , May and June 2009, Pages 19-29

Abstract
  In this paper, we de ne the concepts of compatibility between twofuzzy subsets on Q, the set of states of a max- min general fuzzy automatonand transitivity in a max-min general fuzzy automaton. We then construct auniform structure on Q, and de ne a topology on it. We also de ne the conceptof semi-uniform ...  Read More

IDEALS OF PSEUDO MV-ALGEBRAS BASED ON VAGUE SET THEORY

Young Bae Jun; Chul Hwan Park

Volume 6, Issue 2 , May and June 2009, Pages 31-45

Abstract
  The notion of vague ideals in pseudo MV-algebras is introduced,and several properties are investigated. Conditions for a vague set to be avague ideal are provided. Conditions for a vague ideal to be implicative aregiven. Characterizations of (implicative, prime) vague ideals are discussed.The smallest ...  Read More

ON FUZZY HYPERIDEALS OF $\Gamma$-HYPERRINGS

Reza Ameri; Hossein Hedayati; A. Molaee

Volume 6, Issue 2 , May and June 2009, Pages 47-59

Abstract
  The aim of this paper is the study of fuzzy $\Gamma$-hyperrings. In thisregard the notion of -fuzzy hyperideals of $\Gamma$-hyperrings are introduced andbasic properties of them are investigated. In particular, the representationtheorem for $\nu$-fuzzy hyperideals are given and it is shown that the ...  Read More

HYPERGROUPS AND GENERAL FUZZY AUTOMATA

Mohammad Horry; Mohammad Mehdi Zahedi

Volume 6, Issue 2 , May and June 2009, Pages 61-74

Abstract
  In this paper, we first define the notion of a complete general fuzzyautomaton with threshold c and construct an $H_{nu}$- group, as well as commutativehypergroups, on the set of states of a complete general fuzzy automatonwith threshold c. We then define invertible general fuzzy automata, discussthe ...  Read More

APPLICATIONS OF SOFT SETS IN HILBERT ALGEBRAS

Young Bae Jun; Chul Hwan Park

Volume 6, Issue 2 , May and June 2009, Pages 75-86

Abstract
  The concept of soft sets, introduced by Molodtsov [20] is a mathematicaltool for dealing with uncertainties, that is free from the difficultiesthat have troubled the traditional theoretical approaches. In this paper, weapply the notion of the soft sets of Molodtsov to the theory of Hilbert algebras.The ...  Read More