Results 81 to 90 of about 387,776 (314)

Stability Switches of A Neural Field Model: An Algebraic Study On The Parameters

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020
In thispaper, a special case for a delayed neural field model is considered. Afterconstructing its characteristic equation a stability analysis is made. UsingRouth-Hurwitz criterion, some conditions for characteristic equation are givenfor the stability ...
Berrak Özgür
doaj   +1 more source

The pyruvate generator is a common phenomenon in mitochondria from different rat and mouse brain regions

open access: yesFEBS Letters, EarlyView.
The pyruvate generator, which causes activation of respiration by extra‐mitochondrial Ca2+, is also present and functional in rat brainstem mitochondria, as it is in other brain regions. This finding is confirmed by experiments with a fully reconstituted malate–aspartate shuttle (MAS).
Grazyna Debska‐Vielhaber   +7 more
wiley   +1 more source

Characteristic function estimation of non-Gaussian Ornstein-Uhlenbeck processes. [PDF]

open access: yes
Continuous non-Gaussian stationary processes of the OU-type are becoming increasingly popular given their flexibility in modelling stylized features of financial series such as asymmetry, heavy tails and jumps.
Emanuele Taufer
core  

Integrating Factors and Repeated Roots of the Characteristic Equation

open access: yes, 2012
Most texts on elementary differential equations solve homogeneous constant coefficient linear equations by introducing the characteristic equation; once the roots of the characteristic equation are known the solutions to the differential equation follow ...
Dwyer, Howard   +2 more
core   +1 more source

Extension of the characteristic equation to absorption chillers with adiabatic absorbers [PDF]

open access: yes, 2012
Various researchers have developed models of conventional H2O–LiBr absorption machines with the aim of predicting their performance. In this paper, the methodology of characteristic equations developed by Hellmann et al. (1998) is applied.
Ziegler, F.   +9 more
core   +1 more source

Existence and stability of solutions for nonlinear Mecking-Lucke-Grilhe equations

open access: yesElectronic Journal of Differential Equations, 2011
In this article, we present the nonlinear Mecking-Lucke-Grilhe model describing the temporal evolution for simple and multi-instabilities of plastic deformation of stressed monocristal. This model extends the linear problem considered in [9, 13, 14].
Ali Alriyabi, Said Hilout
doaj  

On the behavior of the solutions for certain neutral delay integro-differential equations [PDF]

open access: yesE-Journal of Analysis and Applied Mathematics
Some results are given on the behavior of solutions of scalar linear and constant coefficient neutral delay integro-differential equations. These results are obtained using two different real roots of the relevant characteristic equation.
Ali Fuat Yeniçerioglu
doaj   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Geometric ideas for cryptographic equation solving in even characteristic [PDF]

open access: yes, 2009
The GeometricXL algorithm is a geometrically invariant version of the XL algorithm that uses polynomials of a much smaller degree than either a standard Groebner basis algorithm or an XL algorithm for certain multivariate equation systems.
Paterson, Maura B.   +3 more
core   +1 more source

Ubiquitination of secretory granules promotes their crinophagic degradation in Drosophila

open access: yesFEBS Letters, EarlyView.
Ubiquitination of secretory granules in Drosophila larval salivary glands is a critical molecular trigger for crinophagy, the lysosomal degradation of unreleased, or low‐quality granules. The E3 ubiquitin ligase Cnot4 is recruited to the surface of secretory granules to induce crinophagy.
Tamás Csizmadia   +6 more
wiley   +1 more source

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