Results 1 to 10 of about 45,644 (230)

Conservation laws shape dissipation [PDF]

open access: yesNew Journal of Physics, 2018
Starting from the most general formulation of stochastic thermodynamics—i.e. a thermodynamically consistent nonautonomous stochastic dynamics describing systems in contact with several reservoirs—we define a procedure to identify the conservative and the
Riccardo Rao, Massimiliano Esposito
doaj   +4 more sources

Computation of $\mu$-symmetry and $\mu$-conservation law for the Camassa-Holm and Hunter-Saxton equations [PDF]

open access: yesAUT Journal of Mathematics and Computing, 2023
This work is intended to compute the $\mu$-symmetry and $\mu$-conservation laws for the Cammasa-Holm (CH) equation and the Hunter-Saxton (HS) equation. In other words, $\mu$-symmetry, $\mu$-symmetry reduction, variational problem, and $\mu$-conservation ...
Somayeh Shaban, Mehdi Nadjafikhah
doaj   +1 more source

The Patterns of Law Enforcement on Eradicating Illegal Activities to Protect Sumatran Tiger Habitat in Tambling Wildlife Nature Conservation, Bukit Barisan National Park

open access: yesJurnal Ilmu Kehutanan, 2021
Law enforcement plays a vital role to prevent the extinction of endangered species, including the Sumatran tiger. We investigated the roles of private sector involvement in Tambling Wildlife Nature Conservation (TWNC) for supporting law enforcement by ...
Ardi Bayu Firmansyah   +5 more
doaj   +1 more source

Potential conservation laws [PDF]

open access: yesJournal of Mathematical Physics, 2008
We prove that potential conservation laws have characteristics depending only on local variables if and only if they are induced by local conservation laws. Therefore, characteristics of pure potential conservation laws have to essentially depend on potential variables. This statement provides a significant generalization of results of the recent paper
Popovych, Roman, Kunzinger, Michael
openaire   +4 more sources

Lie Symmetry Group, Invariant Subspace, and Conservation Law for the Time-Fractional Derivative Nonlinear Schrödinger Equation

open access: yesMathematics, 2022
In this paper, a time-fractional derivative nonlinear Schrödinger equation involving the Riemann–Liouville fractional derivative is investigated. We first perform a Lie symmetry analysis of this equation, and then derive the reduced equations under the ...
Fan Qin, Wei Feng, Songlin Zhao
doaj   +1 more source

Lie Symmetry Analysis, Self-Adjointness and Conservation Law for a Type of Nonlinear Equation

open access: yesMathematics, 2021
In the present paper, we mainly focus on the symmetry of the solutions of a given PDE via Lie group method. Meanwhile we transfer the given PDE to ODEs by making use of similarity reductions. Furthermore, it is shown that the given PDE is self-adjoining,
Hengtai Wang, Zhiwei Zou, Xin Shen
doaj   +1 more source

Conservation Laws and Symmetry Reductions of the Hunter–Saxton Equation via the Double Reduction Method

open access: yesMathematical and Computational Applications, 2023
This study investigates via Lie symmetry analysis the Hunter–Saxton equation, an equation relevant to the theoretical analysis of nematic liquid crystals.
Molahlehi Charles Kakuli   +2 more
doaj   +1 more source

Spin–Orbital Coupling and Conservation Laws in Electromagnetic Waves Propagating through Chiral Media

open access: yesOptics, 2023
This study examines the characteristics of the electromagnetic waves that propagate through an unbounded space filled with a homogeneous isotropic chiral medium.
Hyoung-In Lee
doaj   +1 more source

KONSTRUKSI GELOMBANG KEJUT DAN GELOMBANG MENJARANG PADA ARUS KENDARAAN DI LALU LINTAS

open access: yesJurnal Lebesgue, 2023
In nonlinear conservation laws, there is a possibility of intersecting characteristic lines or even regions that are not traversed by characteristic lines. In regions where there are two or more characteristic lines, a gradien catastrophic phenomenon can
Maya Sari Syahrul, Nurweni Putri
doaj   +1 more source

Stochastic conservation laws? [PDF]

open access: yesChaos, Solitons & Fractals, 2000
We examine conservation laws, typically the conservation of linear momentum, in the light of a recent successful formulation of fermions as Kerr-Newman type Black Holes, which are created fluctuationally from a background Zero Point Field. We conclude that these conservation laws are to be taken in the spirit of thermodynamic laws.
openaire   +2 more sources

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