Search Results - "NOETHER'S theorem"

Cosmological solutions in f(Q) gravity via Noether symmetry approach.

Authors: Mahmoudzadeh Baghbani, M. Atazadeh, K. Mousavi, M.

Source: International Journal of Geometric Methods in Modern Physics. Oct2025, p1. 19p.

Subject Terms: *NOETHER'S theorem, *PHYSICAL cosmology, *LAGRANGIAN functions, *MATHEMATICAL physics

Neother's theorem on quantum hydrodynamics.

Authors: Wijaya, Andika Kusuma Ariwahjoedi, Seramika Rosyid, Muhammad Farchani

Source: International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics. 10/10/2025, Vol. 40 Issue 28, p1-18. 18p.

Subject Terms: *NOETHER'S theorem, *SYMPLECTIC geometry, *QUANTUM fluids, *SYMMETRY, *CONSERVED quantity

Dual Euler–Poincaré/Lie–Poisson formulation of subinertial stratified thermal ocean flow with identification of Casimirs as Noether quantities.

Authors: Beron-Vera, F. J. Luesink, E.

Source: Journal of Mathematical Physics. Sep2025, Vol. 66 Issue 9, p1-21. 21p.

Subject Terms: *NOETHER'S theorem, *CONSERVATION laws (Physics), *CASIMIR effect, *EULER characteristic, *HEAT flow (Oceanography), *BUOYANCY-driven flow, *THERMOCLINES (Oceanography)

People: EULER, Leonhard, 1707-1783

The Noether inequality for 3‐folds and three moduli spaces with minimal volumes.

Authors: Chen, Meng Hu, Yong Jiang, Chen

Source: Proceedings of the London Mathematical Society. Aug2025, Vol. 131 Issue 2, p1-41. 41p.

Subject Terms: *NOETHER'S theorem, *MODULI theory, *ALGEBRAIC varieties, *LEBESGUE measure, *VOLUME (Cubic content), *THREE-manifolds (Topology)

Fractional Time-Scales Noether's Theorem for Non-Standard Birkhoffian System.

Authors: Wu, Zhenyu Song, Chuanjing

Source: Fractal & Fractional. Aug2025, Vol. 9 Issue 8, p489. 18p.

Subject Terms: *NOETHER'S theorem, *CONSERVED quantity, *SYMMETRIES (Quantum mechanics), *DYNAMICAL systems, *VARIATIONAL principles, *EQUATIONS of motion

Noether symmetry and exact solutions in f(Q,ϕ) gravity with scalar field dynamics.

Authors: Vishwakarma, Pooja Aswathy, R. K. Chaurasiya, Vineet Kumar et al.

Source: International Journal of Geometric Methods in Modern Physics. Jul2025, p1. 18p.

Subject Terms: *NOETHER'S theorem, *EXPANDING universe, *EMPIRICAL research, *SCALAR field theory, *HUBBLE constant, *PHYSICAL cosmology

Solvable structures in the falling cat problem.

Authors: Ruiz, Adrián Costa Basquerotto, Cláudio H. C.

Source: Acta Mechanica. Jun2025, Vol. 236 Issue 6, p3787-3804. 18p.

Subject Terms: *ORDINARY differential equations, *NOETHER'S theorem, *VECTOR fields, *LIE algebras, *STRUCTURAL analysis (Engineering)

Entropy as Noether charge for quasistatic gradient flow.

Authors: Beyen, Aaron Maes, Christian

Source: Journal of Non-Equilibrium Thermodynamics. Apr2025, Vol. 50 Issue 2, p241-261. 21p.

Subject Terms: *NOETHER'S theorem, *LARGE deviation theory, *T-symmetry, *DISCRETE symmetries, *SYMMETRY breaking

Noether's second theorem and covariant field theory of mechanical stresses in inhomogeneous ionic liquids.

Authors: Brandyshev, Petr E. Budkov, Yury A.

Source: Journal of Chemical Physics. May2023, Vol. 158 Issue 17, p1-10. 10p.

Subject Terms: *NOETHER'S theorem, *COVARIANT field theories, *STRAINS & stresses (Mechanics), *IONIC liquids, *THERMODYNAMIC potentials

Approximate Noether's symmetry and conservation laws for approximate Lagrangian systems on time scales.

Authors: Jin, S. X. Chen, X. W. Li, Y. M.

Source: Acta Mechanica. Mar2025, Vol. 236 Issue 3, p2065-2076. 12p.

Subject Terms: *LAGRANGE equations, *NOETHER'S theorem, *CONSERVATION laws (Physics), *DISCRETE systems, *SYMMETRY

Non-Relativistic and Relativistic Lagrangian Pairing in Fluid Mechanics Inspired by Quantum Theory.

Authors: Ismail-Sutton, Sara Scholle, Markus Gaskell, Philip H.

Source: Symmetry (20738994). Mar2025, Vol. 17 Issue 3, p315. 19p.

Subject Terms: *NOETHER'S theorem, *HAMILTON'S principle function, *QUANTUM theory, *FLUID mechanics, *GALILEAN relativity

On Equivalence of Definition of the Energy-Momentum Tensor in General Relativity and Field Theory.

Authors: Rahvar, Sohrab¹ rahvar@sharif.edu

Source: Iranian Journal of Astronomy & Astrophysics. Winter2025, Vol. 12 Issue 1, p1-6. 6p.

Subject Terms: *NOETHER'S theorem, *GENERAL relativity (Physics), *TENSOR fields, *COORDINATE transformations, *DEFINITIONS

Structured Dynamics in the Algorithmic Agent.

Authors: Ruffini, Giulio Castaldo, Francesca Vohryzek, Jakub

Source: Entropy. Jan2025, Vol. 27 Issue 1, p90. 54p.

Subject Terms: *COMPUTATIONAL intelligence, *NOETHER'S theorem, *INFORMATION theory, *GROUP theory, *KOLMOGOROV complexity, *MIRROR neurons

Fractional Tempered Variational Calculus.

Authors: Torres Ledesma, César E. Frederico, Gastão S. F. Montalvo Bonilla, Manuel C. et al.

Source: Mathematical Methods in the Applied Sciences; 11/15/2025, Vol. 48 Issue 16, p14798-14814, 17p

Subject Terms: FRACTIONAL calculus, EULER-Lagrange equations, CALCULUS of variations, SYMMETRY groups, NOETHER'S theorem, LAGRANGIAN mechanics, MOUNTAIN pass theorem

Symmetries and conservation laws of the Berger metric on a squashed three-sphere.

Authors: Aryanejad, Yadollah Padiz Foumani, Masoumeh

Source: Computational Methods for Differential Equations; Oct2025, Vol. 13 Issue 4, p1117-1124, 8p

Subject Terms: CONSERVATION laws (Physics), NOETHER'S theorem, CONSERVED quantity, SYMMETRIES (Quantum mechanics), LAGRANGIAN mechanics, SYMMETRY, THREE-manifolds (Topology)

Computational applications by ITEM and the variational method for solving the Hamiltonian amplitude equation.

Authors: Akhmetshin, Elvir Abdullayev, Ilyos Tuguz, Nalbiy et al.

Source: Computational Methods for Differential Equations; Oct2025, Vol. 13 Issue 4, p1336-1356, 21p

Subject Terms: VARIATIONAL approach (Mathematics), NOETHER'S theorem, COMPUTER simulation, MATHEMATICS, PROBLEM solving, MATHEMATICAL models, DIFFERENTIAL equations

Reviews & Products: MATLAB (Computer software)

The first part of Clausius’ heat theorem in terms of Noether’s theorem

Authors: Beyen, Aaron Maes, Christian

Source: Mathematics and Mechanics of Complex Systems. 13:1-24

Subject Terms: High Energy Physics - Theory, Technology, 0199 Other Mathematical Sciences, HELICITY, Clausius' heat theorem, FOS: Physical sciences, First Law, Clausius' heat theorem, Physics - Classical Physics, General Relativity and Quantum Cosmology (gr-qc), Mechanics, General Relativity and Quantum Cosmology, volume entropy, 0102 Applied Mathematics, 4901 Applied mathematics, Condensed Matter - Statistical Mechanics, Science & Technology, 0105 Mathematical Physics, Statistical Mechanics (cond-mat.stat-mech), Killing equations, ENTROPY, Classical Physics (physics.class-ph), Noether's theorem, First Law, STATES, High Energy Physics - Theory (hep-th), Helmholtz entropy

Access URL: http://arxiv.org/abs/2408.15773
https://lirias.kuleuven.be/handle/20.500.12942/760264
https://doi.org/10.2140/memocs.2025.13.1

Conservation laws of the one-dimensional relativistic magnetogasdynamics equations.

Authors: Nakpim, W Meleshko, S V Mukdasanit, P

Source: Journal of Physics A: Mathematical & Theoretical. 12/1/2024, Vol. 57 Issue 46, p1-13. 13p.

Subject Terms: *NOETHER'S theorem, *LIE groups, *CONSERVATION laws (Physics), *CONSERVED quantity, *LAGRANGE equations

(2+1)-dimensional new bi-hamiltonian integrable system: Symmetries, Noether's theorem and integrals of motion.

Authors: YAMAN, Salih YAZICI, Devrim

Source: Sigma: Journal of Engineering & Natural Sciences / Mühendislik ve Fen Bilimleri Dergisi. Dec2024, Vol. 42 Issue 6, p1838-1846. 9p.

Subject Terms: *NOETHER'S theorem, *HAMILTONIAN operator, *MONGE-Ampere equations, *THEORY of constraints, *SYMMETRY

An integral of motion for a Master–Slave system of damped Duffing oscillators with variable coefficients: Nonlinear dynamics and computer simulations.

Authors: Barba-Franco, José de Jesús Gallegos, Armando Urenda-Cázares, Ernesto et al.

Source: International Journal of Modern Physics C: Computational Physics & Physical Computation. Dec2024, Vol. 35 Issue 12, p1-19. 19p.

Subject Terms: *NOETHER'S theorem, *FREQUENCIES of oscillating systems, *DUFFING equations, *COUPLING constants, *TIME series analysis