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A Riesz type integral representation theorem of comonotonically additive functionals
KAWABE, Jun, SOMA, Tadahiro
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Comonotonically additive functionals on locally compact spaces
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identifier:oai:t2r2.star.titech.ac.jp ...
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Representation of Comonotonically Additive Functional (Applied Functional Analysis)
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Comonotone approximation of periodic functions
Journal of Approximation TheoryDenote by \(\widetilde{C}\) the space of continuous \(2\pi\)-periodic functions \(f\) endowed with the uniform norm \(\|f\| := \max\limits_{x\in \mathbb{R}} |f(x)|\) and by \(\omega_m (f,t)\) the \(m\)-th modulus of smoothness of \(f\). Furthermore, denote by \(\widetilde{C}^r\) the subspace of \(r\)-times continuously differentiable functions \(f\in ...
D Leviatan
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On comonotone k-maxitive aggregation functions
Fuzzy Sets and Systems, 2023Ľubomíra Horanska, Zdenko Takac
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The order of comonotone approximation of differentiable periodic functions
Ukrainian Mathematical Bulletin, 2021Let $\Dely$ be a set of all $2\pi$-periodic functions $f$ that are continuous on the real axis $R$\ and\ change their monotonicity at various fixed points $y_{i}\in\lbrack-\pi,\pi),\ i=1,...,2s,\ s\in N$ (i.e., there is a set $Y:=\{y_{i}\}_{i\in\mathbb{Z}}$ of points $y_{i}=y_{i+2s}+2\pi$ on $R$ such that $f$ are nondecreasing on $[y_{i},y_{i-1}]$ if ...
Dzyubenko, German, Yushchenko, Lyudmyla
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Boundedness and symmetry of comonotonically additive functionals
Fuzzy Sets and Systems, 2001A relationship between the Choquet integral and comonotically additive and monotone functionals \(I\) is reexamined. First, some necessary and sufficient conditions are given for the boundedness of \(I\) in terms of Narukawa's fuzzy measures. Then there is proved that \(I\) is symmetric if and only if it can be represented by the Šipoš integral.
Yasuo Narukawa +2 more
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Extension and representation of comonotonically additive functionals
Fuzzy Sets and Systems, 2001Two real functions \(f\), \(g\) are comonotonic, if \(f(x_1)< f(x_2)\) implies \(g(x_1)\leq g(x_2)\) for any \(x_1\), \(x_2\). The set \(K\) of all functions with compact support in a locally compact Hausdorff space is considered. A real-valued functional \(I\) on \(K\) is called comonotonically additive if \(I(f+ g)= I(f)+ I(g)\) whenever \(f,g\in K\)
Yasuo Narukawa +2 more
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