Results 41 to 50 of about 3,291 (79)

Optical Solitons with Dispersive Concatenation Model Having Multiplicative White Noise by the Enhanced Direct Algebraic Method

Contemporary Mathematics
This paper investigates the significance of the dispersive concatenation model, incorporating the Kerr law of self-phase modulation in the presence of white noise. Our methodology relies on the enhanced direct algebraic method for integration.
A. Arnous, A. Biswas, Y. Yıldırım, A. Alshomrani   +3 more
semanticscholar   +1 more source

On the bi-Hamiltonian structure of Bogoyavlensky system on $so(4)$

, 2010
We discuss bi-Hamiltonian structure for the Bogoyavlensky system on $so(4)$ with an additional integral of fourth order in momenta. An explicit procedure to find the variables of separation and the separation relations is considered in ...
Vershilov, A. V.
core   +1 more source

Quiescent optical solitons with Kudryashov’s generalized quintuple-power law and nonlocal nonlinearity having nonlinear chromatic dispersion with generalized temporal evolution by enhanced direct algebraic method and sub-ODE approach

The European Physical Journal Plus
Revisiting the study of quiescent optical solitons with quintuple-power-law self-phase modulation and nonlinear chromatic dispersion is the focus of the current paper.
E. Zayed, Mona El–Shater, A. Arnous, Y. Yıldırım, Layth Hussein, Anwar Ja’afar, Mohamad Jawad, S. Veni, A. Biswas   +8 more
semanticscholar   +1 more source

Highly dispersive gap solitons for conformable fractional model in optical fibers with dispersive reflectivity solutions using the modified extended direct algebraic method

AIMS Mathematics
We investigated the dynamics of highly dispersive nonlinear gap solitons in optical fibers with dispersive reflectivity, utilizing a conformable fractional derivative model.
Mahmoud Soliman, H. Ahmed, N. Badra, T. Nofal, I. Samir   +4 more
semanticscholar   +1 more source

Conserved Charges in the Principal Chiral Model on a Supergroup

, 2006
The classical principal chiral model in 1+1 dimensions with target space a compact Lie supergroup is investigated. It is shown how to construct a local conserved charge given an invariant tensor of the Lie superalgebra.
A. Das, A. Sergeev, A. Sergeev, Barry H Miller, C.A.S. Young, E. Corrigan, G. Wilson, J.M. Evans, L. Dolan, L. Frappat, L.D. Faddeev, M. Hatsuda, M. Scheunert, N. Berkovits, P. Lavaud   +14 more
core   +2 more sources

General Relativity, Mental Causation, and Energy Conservation. [PDF]

Erkenntnis, 2022
Pitts JB.
europepmc   +1 more source

Hamiltonian analysis of BHT massive gravity

, 2011
We study the Hamiltonian structure of the Bergshoeff-Hohm-Townsend (BHT) massive gravity with a cosmological constant. In the space of coupling constants $(\Lambda_0,m^2)$, our canonical analysis reveals the special role of the condition $\Lambda_0/m^2 ...
B. Cvetković, E Ayon-Beato, EA Bergshoeff, EA Bergshoeff, G Berredo-Peixoto de, G Clement, G Clement, G Giribet, H Saida, I Gullu, I Gullu, I Oda, J Oliva, JD Brown, L Castellani, M Bañados, M Bañados, M Blagojevic, M Blagojevic, M Blagojević, M Nakasone, M. Blagojević, PAM Dirac, R Andringa, S Deser, S Deser, S Deser, T Ortín, W Kim, Y Liu, Y Liu   +30 more
core   +1 more source

Derivation of optical solitons and other solutions for nonlinear Schrödinger equation using modified extended direct algebraic method

Alexandria Engineering Journal, 2022
M. S. Ghayad, N. Badra, H. Ahmed, Wafaa B. Rabie   +3 more
semanticscholar   +1 more source

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Algebraic Ricci solitons on metric Lie groups with zero Schouten–Weyl tensor

Doklady Mathematics, 2017
In the present paper the authors focus on finding algebraic Ricci solitons on Lie groups with left-invariant pseudo-Riemannian metric and zero Schouten-Weyl tensor. They prove that there are no nontrivial algebraic Ricci solitons on metric Lie groups with zero Schouten-Weyl tensor and diagonalizable Ricci operator.
Klepikov, P. N., Rodionov, E. D.
semanticscholar   +4 more sources

Topology at infinity of complete gradient Schouten solitons

Revista Matemática Complutense, 2023
In this paper, we study ends of complete gradient non-trivial Schouten solitons. Without any additional assumptions, we show the shrinking ones have finitely many ends, and the expanding ones are connected at infinity.
V. Borges, Hector Rosero-Garcia, Joao Paulo dos Santos   +2 more
semanticscholar   +1 more source