Results 41 to 50 of about 2,443,019 (288)

Sequence of Potentials Lying Between the U(5) and X(5) Symmetries

open access: yes, 2003
Starting from the original collective Hamiltonian of Bohr and separating the beta and gamma variables as in the X(5) model of Iachello, an exactly soluble model corresponding to a harmonic oscillator potential in the beta-variable (to be called X(5 ...
A. Bohr   +11 more
core   +2 more sources

The Information Geometry of the One-Dimensional Potts Model [PDF]

open access: yes, 2002
In various statistical-mechanical models the introduction of a metric onto the space of parameters (e.g. the temperature variable, $\beta$, and the external field variable, $h$, in the case of spin models) gives an alternative perspective on the phase ...
Abe R   +16 more
core   +4 more sources

Errors-in-variables beta regression models [PDF]

open access: yesJournal of Applied Statistics, 2014
Beta regression models provide an adequate approach for modeling continuous outcomes limited to the interval (0, 1). This paper deals with an extension of beta regression models that allow for explanatory variables to be measured with error. The structural approach, in which the covariates measured with error are assumed to be random variables, is ...
Carrasco, J.   +2 more
openaire   +5 more sources

Beta relaxation in the shear mechanics of equilibrium viscous liquids: Phenomenology and network modeling of the alpha-beta merging region

open access: yes, 2010
The phenomenology of the beta relaxation process in the shear-mechanical response of glass-forming liquids is summarized and compared to that of the dielectric beta process.
Barlow   +47 more
core   +1 more source

Effects of orbital occupancies on the neutrinoless beta-beta matrix element of 76Ge [PDF]

open access: yes, 2008
In this work we use the recently measured neutron occupancies in the 76Ge and 76Se nuclei as a guideline to define the neutron quasiparticle states in the 1p0f0g shell.
Civitarese, O., Suhonen, J.
core   +1 more source

μσ2-Beta and μσ2-Beta Binomial Regression Models

open access: yesRevista Colombiana de Estadística, 2023
This paper proposes new parameterizations of the beta and beta binomial distributions as functions of the mean and variance parameters. From these new parameterizations, new beta and beta binomial linear regression models are formulated by assuming that appropriate real functions of the mean and variance follow linear regression structures.
openaire   +1 more source

Stereotactic Body Radiation Therapy for Pediatric, Adolescent, and Young Adult Patients With Osteosarcoma: Local Control Outcomes With Dosimetric Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Osteosarcoma is a radioresistant tumor that may benefit from stereotactic body radiation therapy (SBRT) for locoregional control in metastatic/recurrent disease. We report institutional practice patterns, outcomes, toxicity, and failures in osteosarcoma patients treated with SBRT.
Jenna Kocsis   +13 more
wiley   +1 more source

Pooling overdispersed binomial data to estimate event rate

open access: yesBMC Medical Research Methodology, 2008
Background The beta-binomial model is one of the methods that can be used to validly combine event rates from overdispersed binomial data. Our objective is to provide a full description of this method and to update and broaden its applications in ...
Chan K Arnold, Young-Xu Yinong
doaj   +1 more source

An Improved Alpha Beta Filter Using a Deep Extreme Learning Machine

open access: yesIEEE Access, 2021
This paper introduces new learning to the prediction model to enhance the prediction algorithms’ performance in dynamic circumstances. We have proposed a novel technique based on the alpha-beta filter and deep extreme learning machine (DELM ...
Junaid Khan   +5 more
doaj   +1 more source

Prognostic Impact of Treatment Modalities, Including Targeted Compartmental Radio‐Immunotherapy, in a Cohort of Neuroblastoma Patients With CNS Metastases at Relapse

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neuroblastoma (NB) with central nervous system (CNS) metastases is rare at diagnosis, but occurs more often during relapse/progression. Patients with CNS metastases face a dismal prognosis, with no standardized curative treatment available.
Vicente Santa‐Maria Lopez   +13 more
wiley   +1 more source

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