Results 61 to 70 of about 15,511,573 (358)

Integer-valued polynomials over matrices and divided differences

open access: yes, 2013
Let $D$ be an integrally closed domain with quotient field $K$ and $n$ a positive integer. We give a characterization of the polynomials in $K[X]$ which are integer-valued over the set of matrices $M_n(D)$ in terms of their divided differences.
Peruginelli, Giulio
core   +3 more sources

Improved Outcomes for Older Children, Adolescents, and Young Adults With Neuroblastoma in the Post‐Immunotherapy Era: An Updated Report From the International Neuroblastoma Risk Group

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background We describe clinical and biologic characteristics of neuroblastoma in older children, adolescents, and young adults (OCAYA); describe survival outcomes in the post‐immunotherapy era; and identify if there is an age cut‐off that best discriminates outcomes.
Rebecca J. Deyell   +14 more
wiley   +1 more source

Patient‐Level Barriers and Facilitators to Inpatient Physical Therapy in Adolescents and Young Adults With a Hematological Malignancy: A Qualitative Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Despite their increased risk for functional impairment resulting from cancer and its treatments, few adolescents and young adults (AYAs) with a hematological malignancy receive the recommended or therapeutic dose of exercise per week during inpatient hospitalizations.
Jennifer A. Kelleher   +8 more
wiley   +1 more source

Some Remarks on Results Related to ∇-Convex Function

open access: yesJournal of Mathematical and Fundamental Sciences, 2021
In the present article, we give new techniques for proving general identities of the Popoviciu type for discrete cases of sums for two dimensions using higher-order ∇-divided difference.
Asif Raza Khan   +3 more
doaj   +1 more source

Viscovatov-Like Algorithm of Thiele–Newton’s Blending Expansion for a Bivariate Function

open access: yesMathematics, 2019
In this paper, Thiele−Newton’s blending expansion of a bivariate function is firstly suggested by means of combining Thiele’s continued fraction in one variable with Taylor’s polynomial expansion in another variable.
Shengfeng Li, Yi Dong
doaj   +1 more source

A divided differences based medium to analyze smoothness of the binary bivariate refinement schemes

open access: yesAdvances in Difference Equations, 2021
In this article, we present the continuity analysis of the 3D models produced by the tensor product scheme of ( m + 1 ) $(m+1)$ -point binary refinement scheme.
Rabia Hameed   +3 more
doaj   +1 more source

A 10-point interpolatory recursive subdivision algorithm for the generation of parametric surfaces [PDF]

open access: yes, 1991
In this paper, an interpolatory subdivision algorithm for surfaces over arbitrary triangulations is introduced and its properties over uniform triangulations studied.
Gregory, JA, Qu, R
core  

Modelling early-type stars in eclipsing binaries of open clusters: a new method for age determination from ratio of radii

open access: yes, 2011
Binary systems, in particular eclipsing binaries, are essential sources of our knowledge of the fundamental properties of stars. The ages of binaries, members of open clusters, are constrained by their own fundamental properties and by those of the ...
Yildiz, Mutlu
core   +1 more source

Characterizing Parental Concerns About Lasting Impacts of Treatment in Children With B‐Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐acute lymphoblastic leukemia (B‐ALL) is the most common pediatric cancer, and while most children in high‐resource settings are cured, therapy carries risks for long‐term toxicities. Understanding parents’ concerns about these late effects is essential to guide anticipatory support and inform evolving therapeutic approaches ...
Kellee N. Parker   +7 more
wiley   +1 more source

Semi-classical Orthogonal Polynomial Systems on Non-uniform Lattices, Deformations of the Askey Table and Analogs of Isomonodromy [PDF]

open access: yes, 2012
A $\mathbb{D}$-semi-classical weight is one which satisfies a particular linear, first order homogeneous equation in a divided-difference operator $\mathbb{D}$.
Witte, N. S.
core  

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