المؤلفون: Cristian Octav Olteanu

المصدر: Symmetry, Vol 16, Iss 6, p 757 (2024)

مصطلحات موضوعية: Fourier transform, (M)-determinate measure, polynomial approximation, unbounded subsets, quadratic expressions, sufficient conditions, Mathematics, QA1-939

Relation: https://www.mdpi.com/2073-8994/16/6/757; https://doaj.org/toc/2073-8994; https://doaj.org/article/c93d6b9df3e04dfb8a53a4fac5c82180

الاتاحة: https://doi.org/10.3390/sym16060757
https://doaj.org/article/c93d6b9df3e04dfb8a53a4fac5c82180

المؤلفون: Octav Olteanu

المصدر: Electronic Journal of Mathematics, Vol 2, Pp 1-14 (2021)

مصطلحات موضوعية: extension of linear operators, sandwich constraints, full markov moment problem, existence of a solution, polynomial approximation, unbounded subsets, uniqueness, Mathematics, QA1-939

وصف الملف: electronic resource

Relation: https://shahindp.com/Electron_J_Math/v2/EJM21_v2_pp1-14.pdf; https://doaj.org/toc/2789-5734

URL الوصول: https://doaj.org/article/08e5b68778c74b8da9b8bd842bac2f27

المؤلفون: Octav Olteanu

المصدر: Mathematics; Volume 10; Issue 18; Pages: 3288

مصطلحات موضوعية: polynomial approximation, unbounded subsets, Markov moment problem, positive operators, solution, existence, uniqueness, sums of squares, Banach lattices

وصف الملف: application/pdf

Relation: Dynamical Systems; https://dx.doi.org/10.3390/math10183288

الاتاحة: https://doi.org/10.3390/math10183288

المؤلفون: Octav Olteanu

المصدر: Mathematics; Volume 10; Issue 15; Pages: 2775

مصطلحات موضوعية: convex operator, Hahn–Banach theorem, Markov moment problem, norm of the solution, Markov operator, Krein–Milman theorem, optimization, polynomial approximation, unbounded subsets, quadratic forms

وصف الملف: application/pdf

Relation: Functional Interpolation; https://dx.doi.org/10.3390/math10152775

الاتاحة: https://doi.org/10.3390/math10152775

المؤلفون: Octav Olteanu

المصدر: Mathematics, Vol 9, Iss 2289, p 2289 (2021)

مصطلحات موضوعية: full moment problem, polynomial approximation, unbounded subsets, moment-determinate measure, Markov moment problem, quadratic forms, Mathematics, QA1-939

Relation: https://www.mdpi.com/2227-7390/9/18/2289; https://doaj.org/toc/2227-7390; https://doaj.org/article/bcce14824f5a4f0a82018eb4999f97f4

الاتاحة: https://doi.org/10.3390/math9182289
https://doaj.org/article/bcce14824f5a4f0a82018eb4999f97f4

المؤلفون: Octav Olteanu, Janina Mihaela Mihaila

المصدر: MathLAB Journal; Vol. 5 (2020); 82-91 ; 2582-0389

مصطلحات موضوعية: Classical and abstract Markov moment problem, concrete spaces, polynomial approximation on unbounded subsets, Markov Moment Problem, 47A57, 41A10

وصف الملف: application/pdf

Relation: https://purkh.com/index.php/mathlab/article/view/663/699; https://purkh.com/index.php/mathlab/article/view/663

الاتاحة: https://purkh.com/index.php/mathlab/article/view/663

المؤلفون: Olteanu, Octav

المصدر: MathLAB Journal; Vol. 2 (2019); 91-109 ; 2582-0389

مصطلحات موضوعية: Extension of Linear Operators, Markov Moment Problem, Mazur-Orlicz Theorem, Polynomial Approximation on Unbounded Subsets, Concrete Spaces, Extension of linear operators with two constraints, polynomial approximation, moment problem

وصف الملف: application/pdf

Relation: https://purkh.com/index.php/mathlab/article/view/307/270; https://purkh.com/index.php/mathlab/article/view/307

الاتاحة: https://purkh.com/index.php/mathlab/article/view/307