نتایج جستجو برای: higher double derivation

تعداد نتایج: 1233434  

Journal: :Journal of High Energy Physics 2021

The generalized Kerr-Schild ansatz (GKSA) is a powerful tool for constructing exact solutions in Double Field Theory (DFT). In this paper we focus the heterotic formulation of DFT, considering up to four-derivative terms action principle, while field content perturbed by GKSA. We study inclusion version Green-Schwarz mechanism setup, order reproduce low energy effective supergravity upon parame...

Journal: :Ima Journal of Applied Mathematics 2021

Abstract General rogue waves in (1+1)-dimensional three-wave resonant interaction systems are derived by the bilinear method. These solutions divided into three families, which correspond to a simple root, two roots and double root of certain quartic equation arising from dimension reduction, respectively. It is shown that while first family associated with exists for all signs nonlinear coeffi...

A. Heydari, E. Peyghan, N. Broojerdian,

The Lie derivation of multivector fields along multivector fields has been introduced by Schouten (see cite{Sc, S}), and studdied for example in cite{M} and cite{I}. In the present paper we define the Lie derivation of differential forms along multivector fields, and we extend this concept to covariant derivation on tangent bundles and vector bundles, and find natural relations between them and...

Journal: :bulletin of the iranian mathematical society 2011
a. hosseini m. hassani a. niknam

let $mathcal{a}$ be a banach algebra and $mathcal{m}$ be a banach $mathcal{a}$-bimodule. we say that a linear mapping $delta:mathcal{a} rightarrow mathcal{m}$ is a generalized $sigma$-derivation whenever there exists a $sigma$-derivation $d:mathcal{a} rightarrow mathcal{m}$ such that $delta(ab) = delta(a)sigma(b) + sigma(a)d(b)$, for all $a,b in mathcal{a}$. giving some facts concerning general...

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