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Domains via approximation operators [PDF]

open access: yesLogical Methods in Computer Science, 2018
In this paper, we tailor-make new approximation operators inspired by rough set theory and specially suited for domain theory. Our approximation operators offer a fresh perspective to existing concepts and results in domain theory, but also reveal ways ...
Zhiwei Zou, Qingguo Li, Weng Kin Ho
doaj   +3 more sources

Interpolation spaces in the theory of approximation

open access: green, 1986
Upprättat; 1986; Bibliografisk uppgift: Værtspublikationsredaktører: Charles A. Micchelli Værtspublikationsredaktører: Devidas V. Pai Værtspublikationsredaktører: Balmohan Vishnu Limaye Serie: International series of numerical mathematics, Birkhäuser, 76, 0539-0141 Sider: 263-279; 20090302 (evan)
Lech Maligranda
openaire   +2 more sources

The embedding theorems for anisotropic Nikol’skii-Besov spaces with generalized mixed smoothness [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
The theory of embedding of spaces of differentiable functions studies the important relations of differential (smoothness) properties of functions in various metrics and has a wide application in the theory of boundary value problems of ...
K.A. Bekmaganbetov   +2 more
doaj   +2 more sources

Approximation by interpolation spectral subspaces of operators with discrete spectrum

open access: yesМатематичні Студії, 2021
The paper describes approximation properties of interpolation spectral subspaces of an unbounded operator $A$ with discrete spectrum $\sigma(A)$ in a Banach space $\mathfrak X$, as well as ones corresponding subspaces ${\mathcal E}_{q,p}^{\nu}(A)$ of ...
M.I. Dmytryshyn
doaj   +1 more source

The theorem about the transformer excitation current waveform mapping into the dynamic hysteresis loop branch for the sinusoidal magnetic flux case [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2015
This paper analyses aspects of the approximation theory application on the certain subsets of the measured samples of the transformer excitation current and the sinusoidal magnetic flux.
Petrović Nenad   +2 more
doaj   +1 more source

Spherical approximating and interpolating moving least squares in geodesy and geophysics: a case study for deriving gravity acceleration at sea surface in the Persian Gulf

open access: yesJournal of Geodetic Science, 2020
This paper is aimed at introducing the concept of Spherical Interpolating Moving Least Squares to the problems in geodesy and geophysics. Based on two previously known methods, namely Spherical Moving Least Squares and Interpolating Moving Least Squares,
Kiani M.
doaj   +1 more source

Approximation Theory XV: San Antonio 2016 [PDF]

open access: yes, 2017
These proceedings are based on papers presented at the international conference Approximation Theory XV, which was held May 22\u201325, 2016 in San Antonio, Texas.
DE MARCHI, Stefano   +2 more
core   +1 more source

Training and assessment the generalization ability of interpolation methods [PDF]

open access: yesКомпьютерные исследования и моделирование, 2015
We investigate machine learning methods with a certain kind of decision rule. In particular, inverse-distance method of interpolation, method of interpolation by radial basis functions, the method of multidimensional interpolation and approximation ...
Yuri Nikolaevich Bakhvalov   +1 more
doaj   +1 more source

Nonparametric numerical approaches to probability weighting function construct for manifestation and prediction of risk preferences

open access: yesTechnological and Economic Development of Economy, 2023
Probability weighting function (PWF) is the psychological probability of a decision-maker for objective probability, which reflects and predicts the risk preferences of decision-maker in behavioral decisionmaking.
Sheng Wu   +4 more
doaj   +1 more source

The spaces of exponential type vectors of complex degrees of positive operators

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2013
New classes of interpolation spaces of exponential type vectors of complex degrees of positive operators are defined. Properties of the approximation spaces generated by the considered interpolation spaces are investigated.
M. I. Dmytryshyn
doaj   +1 more source

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