Results 41 to 50 of about 6,431,216 (308)
Best approximation in b-modular spaces
مجلة بغداد للعلومIn this paper, some basic notions and facts in the b-modular space similar to those in the modular spaces as a type of generalization are given. For example, concepts of convergence, best approximate, uniformly convexity etc.
Hiba Adel Jabbar +2 more
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A topological approach to Best Approximation Theory
Applied General Topology, 2004 The main goal of this paper is to put some light in several arguments that have been used through the time in many contexts of Best Approximation Theory to produce proximinality results. In all these works, the main idea was to prove that the sets we are
Samuel G. Moreno +3 more
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, 2019 The problem of finding a $k \times k$ submatrix of maximum volume of a matrix $A$ is of interest in a variety of applications. For example, it yields a quasi-best low-rank approximation constructed from the rows and columns of $A$.
Cortinovis, Alice +2 more
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BEST APPROXIMATION AND BEST SIMULTANEOUS APPROXIMATION IN ULTRAMETRIC SPACES
Demonstratio Mathematica, 1996 A metric space \(X\) is ultrametric if the metric \(d\) satisfies the strong triangle inequality \(d(x,y)\leq\max\{d(x,z),d(z,y)\}\) for every \(x,y,z\in X\). The author considers various best approximation problems in an ultrametric setting and their relationship with the proximinal property.
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Nurses are central to cancer care for children and adolescents, yet no comprehensive synthesis has defined essential core competencies for pediatric oncology nursing (PON) practice internationally, particularly in Latin America and the Caribbean (LAC).
Luís Carlos Lopes‐Júnior +7 more
wiley +1 more source
Journal of Approximation Theory, 1984 This paper studies best \(L_ 1\)-approximation of continuous functions defined on an interval [a,b]. First a condition is established ensuring uniqueness of best \(L_ 1\)-approximation. This condition can be considered as a generalized Haar condition.
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Best Approximation by Upward Sets
, 2015 In this paper we prove some results on upward subsets of a Banach lattice with a strong unit. Also we study the best approximation in by elements of upward sets, and we give the necessary and sufficient conditions for any element of best ...
Z. Soltani, H. Goudarzi
semanticscholar +1 more source
Journal of Approximation Theory, 1978 AbstractIn 1934, Walsh noted that the Taylor polynomial of degree n can be obtained by taking the limit as ϵ → 0+ of the net of nth degree polynomials which best approximate f in the closed discs ¦ z ¦ ⩽ ϵ. Later, this result was generalized to rational approximation. In a recent paper, Shisha and the first two authors generalized this idea to the idea
Chui, C.K, Smith, P.W, Ward, J.D
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim +8 more
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Pediatric Blood &Cancer, EarlyView.ABSTRACT End‐of‐life conversations with adolescents and young adults (AYAs) with cancer rarely occur without the guidance of healthcare professionals. As a part of the ‘Difficult Discussions’ study, focused on palliative care and advance care planning discussions with AYAs with cancer, we investigated the factors that healthcare professionals identify ...
Justine Lee +9 more
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