Results 81 to 90 of about 26,242 (213)

Hierarchical Bayesian Modelling Improves Microstructural Parameter Mapping in Diffusion and Exchange MRI Data

open access: yesNMR in Biomedicine, Volume 39, Issue 6, June 2026.
Our hierarchical Bayesian modelling (HBM) technique is demonstrated in two neuroimaging diffusion MRI models. When compared with least‐squares (LSQ) minimisation, HBM increased the accuracy, precision, contrast‐to‐noise ratio and parameter map quality in simulated and human data. HBM also resolved local parameter variations associated with white matter
Elizabeth Powell   +5 more
wiley   +1 more source

A New Look at the Coefficients of a Reciprocal Generating Function

open access: yesThe Scientific World Journal, 2014
We study a special property of free cumulants. We prove that coefficients of a reciprocal generating function correspond to “free cumulants with the first two elements in the same block.”
Wiktor Ejsmont
doaj   +1 more source

Understanding the Phenotypic Heterogeneity Within the Sporadic Creutzfeldt–Jakob Disease MV1 Subtype

open access: yesNeuropathology and Applied Neurobiology, Volume 52, Issue 3, June 2026.
We present the clinical, pathological and prion biophysical features of three atypical cases of the MV1 subtype of sporadic Creutzfeldt–Jakob disease (sCJD). We propose that these heterozygous cases exist on a spectrum ranging from MM1‐like to VV1‐like phenotypes and recommend that subtyping be performed at pH 6.9 to avoid missing atypical or mixed ...
Satish K. Nemani   +6 more
wiley   +1 more source

Generalized Lyapunov Exponent and Transmission Statistics in One-dimensional Gaussian Correlated Potentials

open access: yes, 2010
Distribution of the transmission coefficient T of a long system with a correlated Gaussian disorder is studied analytically and numerically in terms of the generalized Lyapunov exponent (LE) and the cumulants of lnT.
A. Iomin   +10 more
core   +1 more source

Bio‐Inspired Magnetically Tunable Structural Colors from Elliptical Self‐Assembled Block Copolymer Microparticles

open access: yesAdvanced Functional Materials, Volume 36, Issue 38, 11 May 2026.
Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta   +8 more
wiley   +1 more source

Translationally invariant cumulants in energy cascade models of turbulence

open access: yes, 2001
In the context of random multiplicative energy cascade processes, we derive analytical expressions for translationally invariant one- and two-point cumulants in logarithmic field amplitudes. Such cumulants make it possible to distinguish between hitherto
Arneodo   +23 more
core   +1 more source

Comparing the Latent Features of Universal Machine‐Learning Interatomic Potentials

open access: yesAdvanced Intelligent Systems, Volume 8, Issue 5, May 2026.
This study quantitatively assesses how universal machine‐learning interatomic potentials encode the chemical space into latent features, showing unique model‐specific representations with high cross‐model reconstruction errors. It explores how training datasets, protocols, and targets affect these encodings.
Sofiia Chorna   +5 more
wiley   +1 more source

Spectrum Sensing Based on Higher Order Cumulants and Kurtosis Statistics Tests in Cognitive Radio [PDF]

open access: yesRadioengineering, 2019
In this paper, new algorithms for spectrum sensing in cognitive radio based on higher order cumulants and kurtosis are proposed. The cumulants represent statistical signal processing based on pattern recognition for signals of different structure, and ...
R. Bozovic, M. Simic
doaj  

Dengue Virus Capsid Protein Interaction With Nucleic Acids

open access: yesBioFactors, Volume 52, Issue 3, May/June 2026.
Binding of dengue virus capsid protein (DENV C) to ssDNA alters Trp fluorescence intensity, lifetime, and anisotropy, revealing structural rearrangements in the complex and suggesting a possible association with liquid–liquid phase separation (LLPS). ABSTRACT Dengue virus (DENV) transmission has greatly increased in the last decade, partly due to the ...
Nelly M. Silva   +7 more
wiley   +1 more source

On the computation of classical, boolean and free cumulants

open access: yes, 2008
This paper introduces a simple and computationally efficient algorithm for conversion formulae between moments and cumulants. The algorithm provides just one formula for classical, boolean and free cumulants.
Di Nardo, E., Oliva, I.
core   +2 more sources

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