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On Hesitation Degrees in IF-Set Theory
2004In this paper, we propose a generalization of the definition of an IF-set, an intuitionistic fuzzy set, and related hesitation degrees. We flexibilize the original method of computing these values by the use of triangular norms. Next, we present its application to group decision making problems.
Anna Pankowska, Maciej Wygralak
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Decidability of the “almost all” theory of degrees
Journal of Symbolic Logic, 1972Ever since Spector's brilliant application of measure theory to recursion theory in 1958 [6] it has been realized that measure theory promotes sweeping simplifications in the theory of degrees. Results previously thought to be pathological were shown by Spector, and later Sacks [4], [5], to hold for almost all degrees (“almost all” in the sense of ...
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LCP Degree Theory and Oriented Matroids
SIAM Journal on Matrix Analysis and Applications, 1994Summary: It is shown that the degree of a square-oriented matroid \(\mathcal M\) can be defined in terms of the number of solutions to the oriented matroid complementarity problem defined by a point extension of \(\mathcal M\), and that this definition is independent of the point extension. If \(\mathcal M\) is represented by a matrix \([I, -M]\), then
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THE FIRST‐ORDER THEORY OF THE c‐DEGREES
Mathematical Logic Quarterly, 1984The c-degrees are the equivalence classes of reals under the relation \(a=_ cb\leftrightarrow L(a)=L(b)\), where L(a) denotes the universe of sets constructible from a. Ordered by the relation \(a\leq_ cb\leftrightarrow a\in L(b)\), the c-degrees form an upper-semilattice, \(\). In this paper it is shown that under certain set- theoretical assumptions (
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2015
In the preceding chapters we saw several ways to show that two open subsets of \(\mathbf{R}^{n}\), and more generally two manifolds, are not diffeomorphic.
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In the preceding chapters we saw several ways to show that two open subsets of \(\mathbf{R}^{n}\), and more generally two manifolds, are not diffeomorphic.
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Degree Theory for Discontinuous Operators
RSME Springer Series, 2021Ruben Figueroa Sestelo +1 more
exaly