Results 61 to 70 of about 1,164,817 (286)

A Geometric Lower Bound Theorem

open access: yes, 2016
We resolve a conjecture of Kalai relating approximation theory of convex bodies by simplicial polytopes to the face numbers and primitive Betti numbers of these polytopes and their toric varieties. The proof uses higher notions of chordality.
Adiprasito, Karim   +2 more
core   +1 more source

‘They Need to Hear You Say It’: Healthcare Professionals’ Perspectives on Barriers and Enablers to End‐of‐Life Discussions With Adolescents and Young Adults With Cancer

open access: yesPediatric 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
wiley   +1 more source

Fractional parts of powers of real algebraic numbers

open access: yesComptes Rendus. Mathématique, 2022
Let $\alpha $ be a real algebraic number greater than $1$. We establish an effective lower bound for the distance between an integral power of $\alpha $ and its nearest integer.
Bugeaud, Yann
doaj   +1 more source

Feasibility and Safety of High‐Dose Proton Re‐Irradiation in Recurrent Pediatric Central Nervous System Tumors: A Single‐Institution Retrospective Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Pediatric central nervous system (CNS) tumors often recur despite multimodality therapy. Although re‐irradiation (re‐RT) has historically been limited by concerns for severe late toxicities, modern techniques have renewed interest in this approach. Proton therapy provides dosimetric advantages that may enable curative re‐treatment with
Jin‐Ho Song   +15 more
wiley   +1 more source

Fuzzy economic order quantity model with ranking fuzzy number cost parameters [PDF]

open access: yesYugoslav Journal of Operations Research, 2012
In this paper, a multi-objective economic order quantity model with shortages and demand dependent unit cost under storage space constraint is formulated. In real life situation, the objective and constraint goals and cost parameters are not precisely
Mandal Nirmal Kumar
doaj   +1 more source

Feasibility and Preliminary Efficacy of Integrative Neuromuscular Training for Childhood Cancer Survivors: A Pilot Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of childhood acute lymphoblastic leukemia (ALL) often exhibit early deficits in muscle and movement competence, which can compromise long‐term health. Integrative neuromuscular training (INT), a multifaceted approach combining fundamental movement activities with strength exercises, may help address these deficits during ...
Anna Maria Markarian   +7 more
wiley   +1 more source

Nth power of secant and tangent product approximation of L-R fuzzy numbers

open access: yesAin Shams Engineering Journal
In this article, we find a general form for the nth power and the inverse nth power for secant approximation L-R fuzzy number. Meanwhile the nth power tangent approximation was found in the literature. In this paper, we find the inverse nth power tangent
Eman Abuteen
doaj   +1 more source

Mean-Field Approximation to the Master Equation for Sympathetic Cooling of Trapped Bosons

open access: yes, 2001
We use the mean-field approximation to simplify the master equation for sympathetic cooling of Bosons. For the mean single-particle occupation numbers, this approach yields the same equations as the factorization assumption introduced in an erlier paper.
Nemes, M. C.   +3 more
core   +1 more source

Uniformly Approximable Numbers and the Uniform Approximation Spectrum

open access: yesJournal of Number Theory, 1996
Given an irrational number \(\alpha\), the uniform approximation constant \(\nu (\alpha)\) is defined as \[ \nu (\alpha)= \lim\sup_{Q\to \infty} \biggl((Q+1)^2 \min_{1\leq q\leq Q} \bigl\{|\alpha q |/q \bigr\} \biggr), \] where \(|\cdot|\) denotes the distance to the nearest integer.
openaire   +1 more source

Ethnic Differences in the Association Between SOD2 rs4880 and Hepatotoxicity in Pediatric Acute Lymphoblastic Leukemia: A Report From the REDIAL Consortium

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Treatment‐associated hepatotoxicity (TAH) is a common complication of pediatric acute lymphoblastic leukemia (ALL) treatment, but genetic risk factors remain poorly understood. We evaluated the SOD2 rs4880 variant in 544 children with ALL at Texas Children's Hospital. After adjusting for demographic and clinical covariates, the rs4880 C allele
Emily J. Mason   +14 more
wiley   +1 more source

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