Results 41 to 50 of about 2,550,692 (341)

Exact solution for the nonlinear pendulum

open access: yesRevista Brasileira de Ensino de Física
This paper deals with the nonlinear oscillation of a simple pendulum and presents not only the exact formula for the period but also the exact expression of the angular displacement as a function of the time, the amplitude of oscillations and the angular
A. Beléndez   +4 more
doaj   +1 more source

Exact solution of the Susceptible–Infectious–Recovered–Deceased (SIRD) epidemic model

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2022
Exact solution of the Susceptible-Infectious-Recovered-Deceased (SIRD) epidemic model is established, and various properties of solution are derived directly from the exact solution.
Norio Yoshida
doaj   +1 more source

An Exact Solution of BPS Domain Wall Junction [PDF]

open access: yes, 1999
An exact solution of domain wall junction is obtained in a four-dimensional N=1 supersymmetric U(1) X U(1)' gauge theory with three pairs of chiral superfields which is motivated by the N=2 SU(2) gauge theory with one flavor perturbed by an adjoint ...
Ito, Kenji   +3 more
core   +2 more sources

Parent‐to‐Child Information Disclosure in Pediatric Oncology

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Despite professional consensus regarding the importance of open communication with pediatric cancer patients about their disease, actual practice patterns of disclosure are understudied. Extant literature suggests a significant proportion of children are not told about their diagnosis/prognosis, which is purported to negatively ...
Rachel A. Kentor   +12 more
wiley   +1 more source

Exact solution of peristaltic flow of biviscosity fluid in an endoscope: A note

open access: yesAlexandria Engineering Journal, 2014
This article deals with the peristaltic flow of biviscosity fluid in an endoscope. This study concentrates on the MHD characteristics and endoscope effects for peristaltic flow of a biviscosity fluid. Exact solutions are computed.
Noreen Sher Akbar, S. Nadeem
doaj   +1 more source

Exact Solution of a Three-Dimensional Dimer System [PDF]

open access: yes, 1996
We consider a three-dimensional lattice model consisting of layers of vertex models coupled with interlayer interactions. For a particular non-trivial interlayer interaction between charge-conserving vertex models and using a transfer matrix approach, we
A. B. Zamolodchikov   +17 more
core   +1 more source

Prolonged Corrected QT Interval as an Early Electrocardiographic Marker of Cyclophosphamide‐Induced Cardiotoxicity in Pediatric Hematology and Oncology Patients

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cyclophosphamide (CY) is associated with potentially fatal cardiotoxicity, yet no electrocardiographic indices have been established for early detection of CY‐induced cardiomyopathy. This study aimed to determine whether corrected QT interval (QTc) prolongation can predict early onset of CY‐related cardiac dysfunction in pediatric ...
Junpei Kawamura   +5 more
wiley   +1 more source

Analytical exact solution of telegraph equation using HPM

open access: yesBibechana, 2016
In this paper, exact solutions of different variants of second order hyperbolic telegraph equation are investigated with Homotopy Perturbation Method (HPM).
Jamshad Ahmad, Ghulam Mohiuddin
doaj   +2 more sources

Exact perturbative solution of the Kondo problem

open access: yes, 1995
We explicitly evaluate the infinite series of integrals that appears in the "Anderson-Yuval" reformulation of the anisotropic Kondo problem in terms of a one-dimensional Coulomb gas.
A. Schmid   +21 more
core   +1 more source

Predicting Chronicity in Children and Adolescents With Newly Diagnosed Immune Thrombocytopenia at the Timepoint of Diagnosis Using Machine Learning‐Based Approaches

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Objectives To identify predictors of chronic ITP (cITP) and to develop a model based on several machine learning (ML) methods to estimate the individual risk of chronicity at the timepoint of diagnosis. Methods We analyzed a longitudinal cohort of 944 children enrolled in the Intercontinental Cooperative immune thrombocytopenia (ITP) Study ...
Severin Kasser   +6 more
wiley   +1 more source

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