Results 91 to 100 of about 3,975,563 (312)

Second-order integrable Lagrangians and WDVV equations [PDF]

open access: yes, 2021
We investigate the integrability of Euler-Lagrange equations associated with 2D second-order Lagrangians of the form Z f(uxx, uxy, uyy) dxdy. By deriving integrability conditions for the Lagrangian density f, examples of integrable Lagrangians ...
Lingling Xue (8654457)   +2 more
core  

Computing the Set of RBF-FD Weights Within the Integrals of a Kernel-Based Function and Its Applications

open access: yesAxioms
This paper offers an approach to computing Radial Basis Function–Finite Difference (RBF-FD) weights by integrating a kernel-based function. We derive new weight sets that effectively approximate both the first and second differentiations of a function ...
Tao Liu, Bolin Ding, Stanford Shateyi
doaj   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Collocation methods for a class of second order initial value problems with oscillatory solutions [PDF]

open access: yes, 1993
We derive and analyse two families of multistep collocation methods for periodic initial-value problems of the form y" = f(x, y); y((^x)o) = yo, y(^1)(xo) = zo involving ordinary differential equations of second order in which the first derivative ...
Booth, Andrew S.
core  

Results on solutions of several systems of the product type complex partial differential difference equations

open access: yesDemonstratio Mathematica
This article is devoted to exploring the solutions of several systems of the first-order partial differential difference equations (PDDEs) with product type u(z+c)[α1u(z)+β1uz1+γ1uz2+α2v(z)+β2vz1+γ2vz2]=1,v(z+c)[α1v(z)+β1vz1+γ1vz2+α2u(z)+β2uz1+γ2uz2]=1 ...
Liu Xiao Lan   +3 more
doaj   +1 more source

Second‐order trace formulas

open access: yesMathematische Nachrichten
AbstractKoplienko [Sib. Mat. Zh. 25 (1984), 62–71; English transl. in Siberian Math. J. 25 (1984), 735–743] found a trace formula for perturbations of self‐adjoint operators by operators of Hilbert–Schmidt class . Later, Neidhardt introduced a similar formula in the case of pairs of unitaries via multiplicative path in [Math. Nachr. 138 (1988), 7–25].
Arup Chattopadhyay   +2 more
openaire   +3 more sources

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

Gains from second-order approximations [PDF]

open access: yes
The benefit from using second-order approximations tostochastic dynamic rational expec- tations models is explained. By example of the neoclassical growth model, this note as- sesses the accuracy of the obtained approximation.
Matthias Paustian
core  

Second-Order Sliding Mode Guidance Law considering Second-Order Dynamics of Autopilot

open access: yesJournal of Control Science and Engineering, 2019
Aiming at the requirement that some missiles need to meet certain impact angles when attacking targets, we consider the second-order dynamic characteristics of autopilot, thereby proposing a second-order sliding mode guidance law with impact angle ...
Kuanqiao Zhang, Suochang Yang
doaj   +1 more source

Defining Second-Order Desert [PDF]

open access: yesOrganon F
Philosophers who work on desert-adjustment within axiology often articulate the concept of desert as follows: x deserves y on the basis of z. This formulation allows for a focused examination that encompasses deservers, deservings, and desert bases.
Beşir Özgür Nayır
doaj   +1 more source

Home - About - Disclaimer - Privacy