Get started
Keyword

approximation operators

Description: Operators in approximation theory that map functions to simpler functions, often with properties studied through interpolation, convergence, or function spaces.
OpenAlex ID: keywords/approximation-operators
Korovkin-type Approximation Theory and its Applications
1994 · Francesco Altomare, Michele Campiti · De Gruyter eBooks · 844
Constructive and algebraic methods of the theory of rough sets
1998 · Y YAO · Information Sciences · 804
Rough Sets
2002 · Lech Polkowski · Physica-Verlag eBooks · 353
Attributes Reduction Using Fuzzy Rough Sets
2008 · E.C.C. Tsang, Degang Chen, et al. · IEEE Transactions on Fuzzy Systems · 338
Spline approximation by quasiinterpolants
1973 · C de Boor, G.J Fix · Journal of Approximation Theory · 317
Concept lattices in rough set theory
2004 · Y.Y. Yao · IEEE Annual Meeting of the Fuzzy Information, 2004. Processing NAFIPS '04. · 298
The approximation operators with sigmoidal functions
2009 · Zhixiang Chen, Feilong Cao · Computers & Mathematics with Applications · 252
PDF
Rate of Convergence of Some Neural Network Operators to the Unit-Univariate Case
1997 · George A. Anastassiou · Journal of Mathematical Analysis and Applications · 202
PDF
Trapezoidal approximations of fuzzy numbers
2005 · Przemysław Grzegorzewski, Edyta Mrówka · Fuzzy Sets and Systems · 184
Rough sets: Theoretical aspects of reasoning about data
1996 · Janusz Zalewski · Control Engineering Practice · 177
Topics in Multivariate Approximation
1987 · Elsevier eBooks · 172
A-Statistical convergence of approximating operators
2003 · O. Duman, M. K. Khan, et al. · Mathematical Inequalities & Applications · 169
PDF
Weighted statistical convergence and its application to Korovkin type approximation theorem
2012 · Mohammad Mursaleen, Vatan Karakaya, et al. · Applied Mathematics and Computation · 168
Construction of a new family of Bernstein‐Kantorovich operators
2017 · S. A. Mohiuddine, Tuncer Acar, et al. · Mathematical Methods in the Applied Sciences · 167
A certain family of summation-integral type operators
2003 · H.M. Srivastava, V. Gupta · Mathematical and Computer Modelling · 157
PDF
Theorems of Korovkin type
1976 · A. D. Gadzhiev · Mathematical Notes · 154
Some approximation properties of q-Durrmeyer operators
2007 · Vijay Gupta · Applied Mathematics and Computation · 150
Saturation and Inverse Theorems for Combinations of a Class of Exponential-Type Operators
1976 · C. P. May · Canadian Journal of Mathematics · 148
PDF
α-RST: a generalization of rough set theory
2000 · M Quafafou · Information Sciences · 143
Approximation Operators in Qualitative Data Analysis
2003 · Ivo Düntsch, Günther Gediga · Lecture notes in computer science · 137
Approximations and reducts with covering generalized rough sets
2008 · Eric C.C. Tsang, Chen Degang, et al. · Computers & Mathematics with Applications · 135
On a family of approximation operators
1978 · Mourad E.H. Ismail, C.Ping May · Journal of Mathematical Analysis and Applications · 117
Approximation of fuzzy numbers by trapezoidal fuzzy numbers preserving the expected interval
2007 · Adrian Ban · Fuzzy Sets and Systems · 116
Neighborhood operators for covering-based rough sets
2015 · Lynn D’eer, Mauricio Restrepo, et al. · Information Sciences · 109
Approximation by Bivariate (p, q)-Bernstein–Kantorovich Operators
2016 · Tuncer Acar, Ali Aral, et al. · Iranian Journal of Science and Technology Transactions A Science · 104
Works count: 3,908
Citation count: 29,850
Year
Topic
Type