...-... Algebras.
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Aldo V. Figallo (1983)
Revista colombiana de matematicas
Dragan G. Radojević (2000)
The Yugoslav Journal of Operations Research
Wenceslas Fernandez de la Vega, Marek Karpinski (2007)
RAIRO - Operations Research
We prove that MAX-3SAT can be approximated in polynomial time within a factor 1.0957 on random instances.
Arthur M. Bullock, Hubert H. Schneider (1972)
Archiv für mathematische Logik und Grundlagenforschung
G. Longo, M. Venturini Zilli (1980)
Archiv für mathematische Logik und Grundlagenforschung
Kazimierz Głazek (1997)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
Cristina Alcalde, Ana Burusco, Ramón Fuentes-González (2005)
Mathware and Soft Computing
In this paper, a new characterization for the interval-valued residuated fuzzy implication operators is presented, with which it is possible to use them in a simple and efficient way, since the calculation of the values of an intervalvalued implication applicated to two intervals is reduced to the study of a fuzzy implication applicated to the extremes of these intervals. This result is very important in order to extract knowledge from an L-fuzzy context with incomplete information. Finally, some...
Donald A. Alton (1975)
Archiv für mathematische Logik und Grundlagenforschung
Gül Deniz Çayli (2023)
Kybernetika
Uninorms on bounded lattices have been recently a remarkable field of inquiry. In the present study, we introduce two novel construction approaches for uninorms on bounded lattices with a neutral element, where some necessary and sufficient conditions are required. These constructions exploit a t-norm and a closure operator, or a t-conorm and an interior operator on a bounded lattice. Some illustrative examples are also included to help comprehend the newly added classes of uninorms.
Alberto Zanardo (1981)
Rendiconti del Seminario Matematico della Università di Padova
Sergio Fajardo (1992)
Revista colombiana de matematicas
Krister Segerberg (1982)
Banach Center Publications
Slaviša B. Prešić (1979)
Publications de l'Institut Mathématique
Prešić, Marica D., Prešić, Slaviša B. (1994)
Publications de l'Institut Mathématique. Nouvelle Série
Koen C. Maes, Bernard De Baets (2006)
Kybernetika
Any given increasing function is completely determined by its contour lines. In this paper we show how each individual uninorm property can be translated into a property of contour lines. In particular, we describe commutativity in terms of orthosymmetry and we link associativity to the portation law and the exchange principle. Contrapositivity and rotation invariance are used to characterize uninorms that have a continuous contour line.
Golovanova, E. M. (2003)
Sibirskij Matematicheskij Zhurnal
James Schmerl (1978)
Fundamenta Mathematicae
Juha Honkala (1986)
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Branislav R. Boričić (1983)
Publications de l'Institut Mathématique
Jiří Rachůnek (2001)
Mathematica Bohemica
-algebras, introduced by P. Hájek, form an algebraic counterpart of the basic fuzzy logic. In the paper it is shown that -algebras are the duals of bounded representable -monoids. This duality enables us to describe some structure properties of -algebras.
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