Results 71 to 80 of about 634,911 (278)

Exponential-Krylov methods for ordinary differential equations

open access: yes, 2014
This paper develops a new class of exponential-type integrators where all the matrix exponentiations are performed in a single Krylov space of low dimension.
Sandu, Adrian, Tranquilli, Paul
core   +1 more source

Facet‐Engineered S‐Scheme Heterostructure With Enhanced Active Sites for Efficient Photocatalytic Degradation of Organic Contaminants

open access: yesAdvanced Functional Materials, EarlyView.
The facet‐engineered ZnO/Zn3In2S6 heterostructure, dominated by {001} plane coupling, exposes abundant unsaturated Zn sites with elongated Zn─O bonds, directing photoexcited charge carriers along an S‐scheme pathway and suppressing recombination. Enhanced interfacial Zn adsorption toward bisphenol A and methylene blue further synergistically promotes ...
Yang Yang   +6 more
wiley   +1 more source

Second-order asymptotics for discriminant analysis in exponential family

open access: yesLietuvos Matematikos Rinkinys, 1999
There is not abstract.
Kęstutis Dučinskas
doaj   +3 more sources

On Cauchy-Stieltjes Kernel Families [PDF]

open access: yes, 2012
We explore properties of Cauchy-Stieltjes families that have no counterpart in exponential families. We relate the variance function of the iterated Cauchy-Stieltjes family to the pseudo-variance function of the initial Cauchy-Stieltjes family.
Bryc, Wlodek   +2 more
core  

Electric Field‐Dependent Conductivity as Probe for Charge Carrier Delocalization and Morphology in Organic Semiconductors

open access: yesAdvanced Functional Materials, EarlyView.
Applying a high electric field to a doped organic semiconductor heats up the charge carrier distribution beyond the lattice temperature, enhancing conductivity. It is shown that the associated effective temperature can be used to extract the effective localization length, which is a characteristic length scale of charge transport and provides ...
Morteza Shokrani   +4 more
wiley   +1 more source

Geometry of q-Exponential Family of Probability Distributions

open access: yesEntropy, 2011
The Gibbs distribution of statistical physics is an exponential family of probability distributions, which has a mathematical basis of duality in the form of the Legendre transformation.
Shun-ichi Amari, Atsumi Ohara
doaj   +1 more source

A lecture on the Liouville vertex operators

open access: yes, 2003
We reconsider the construction of exponential fields in the quantized Liouville theory. It is based on a free-field construction of a continuous family or chiral vertex operators.
Barnes E. W.   +10 more
core   +2 more sources

Temperature‐Induced Nonvolatile Switching through Thermal Hysteresis in a Gd3Fe5O12/Ho3Fe5O12 Exchange‐Coupled Rare‐Earth Iron Garnet Bilayer

open access: yesAdvanced Functional Materials, EarlyView.
Reducing power consumption in spintronic memory remains a major challenge due to the need for high current densities. A bilayer of gadolinium and holmium iron garnets enables purely temperature‐induced, nonvolatile magnetic switching with bistable states within a ±25 K range. This approach achieves up to 66‐fold lower energy use than current spin–orbit
Junseok Kim   +3 more
wiley   +1 more source

T-Transmuted X Family of Distributions

open access: yesStatistica, 2018
Using the quadratic transmutation map (QRTM) approach of Shaw and Buckley (2007) and the T -X family method by Alzaatreh et al. (2013b), we have developed a new family of distributions called T -transmuted X family of distributions.
Girish Babu Moolath, Jayakumar K
doaj   +1 more source

Imprecise probability models for inference in exponential families [PDF]

open access: yes, 2005
When considering sampling models described by a distribution from an exponential family, it is possible to create two types of imprecise probability models.
De Cooman, Gert, Quaeghebeur, Erik
core  

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