• Thumbnail for Lagrangian mechanics
    introduced by the Italian-French mathematician and astronomer Joseph-Louis Lagrange in his presentation to the Turin Academy of Science in 1760 culminating...
    93 KB (14,700 words) - 14:32, 25 May 2025
  • reaction forces between bodies. Later, a series of formalisms were derived, only to mention Lagrange’s formalisms based on minimal coordinates and a second formulation...
    12 KB (1,818 words) - 17:22, 23 February 2025
  • Thumbnail for Taylor's theorem
    covers the Lagrange and Cauchy forms of the remainder as special cases, and is proved below using Cauchy's mean value theorem. The Lagrange form is obtained...
    54 KB (9,632 words) - 18:26, 22 March 2025
  • Thumbnail for Energy
    energy-related concept is called the Lagrangian, after Joseph-Louis Lagrange. This formalism is as fundamental as the Hamiltonian, and both can be used to derive...
    59 KB (7,390 words) - 05:51, 25 May 2025
  • equivalence class of functionals/flows which agree on shell. First class constraints Second class constraints BRST formalism Batalin–Vilkovisky formalism v t e...
    3 KB (383 words) - 18:30, 30 May 2024
  • Thumbnail for ADM formalism
    The Arnowitt–Deser–Misner (ADM) formalism (named for its authors Richard Arnowitt, Stanley Deser and Charles W. Misner) is a Hamiltonian formulation of...
    16 KB (2,392 words) - 04:26, 30 April 2025
  • fiber bundle Y → X and a Lagrangian density L, which yields the Euler–Lagrange differential operator acting on sections of Y → X. In classical mechanics...
    6 KB (749 words) - 08:29, 18 January 2025
  • formula or Sylvester's matrix theorem (named after J. J. Sylvester) or Lagrange−Sylvester interpolation expresses an analytic function f(A) of a matrix...
    7 KB (1,118 words) - 23:42, 20 October 2024
  • Functions that maximize or minimize functionals may be found using the Euler–Lagrange equation of the calculus of variations. A simple example of such a problem...
    58 KB (9,524 words) - 13:16, 7 April 2025
  • Joseph-Louis Lagrange (1736–1813), Italian mathematician and astronomer Lagrange (disambiguation) List of things named after Joseph-Louis Lagrange This disambiguation...
    1 KB (212 words) - 18:42, 23 November 2024
  • In theoretical physics, the BRST formalism, or BRST quantization (where the BRST refers to the last names of Carlo Becchi, Alain Rouet, Raymond Stora...
    58 KB (9,464 words) - 04:38, 20 March 2025
  • have been proposed by various mathematicians, including Leibniz, Newton, Lagrange, and Arbogast. The usefulness of each notation depends on the context in...
    35 KB (4,962 words) - 20:13, 5 May 2025
  • differential operator whose kernel contains a range of the Euler–Lagrange operator of L. Any Euler–Lagrange operator obeys Noether identities which therefore are...
    3 KB (308 words) - 22:00, 19 January 2025
  • Lagrangian field theory is a formalism in classical field theory. It is the field-theoretic analogue of Lagrangian mechanics. Lagrangian mechanics is...
    40 KB (6,708 words) - 07:24, 12 May 2025
  • Thumbnail for Classical mechanics
    Later, methods based on energy were developed by Euler, Joseph-Louis Lagrange, William Rowan Hamilton and others, leading to the development of analytical...
    52 KB (5,857 words) - 21:39, 15 May 2025
  • field-theoretic analogue to classical Hamiltonian mechanics. It is a formalism in classical field theory alongside Lagrangian field theory. It also has...
    12 KB (1,842 words) - 09:06, 17 March 2025
  • the action is a classical function, the modern formulation of the two formalisms are identical. Suppose we have two states defined by the values of a complete...
    4 KB (451 words) - 02:49, 25 May 2025
  • Thumbnail for Hamiltonian mechanics
    {p}},{\boldsymbol {q}})} ⁠, the ( n {\displaystyle n} -dimensional) Euler–Lagrange equation ∂ L ∂ q − d d t ∂ L ∂ q ˙ = 0 {\displaystyle {\frac {\partial...
    53 KB (9,323 words) - 04:39, 26 May 2025
  • Thumbnail for Oliver Sawodny
    Dynamic Modeling of Bellows-Actuated Continuum Robots Using the Euler–Lagrange Formalism. In: IEEE Transactions on Robotics, Volume: 31, Issue: 6, December...
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  • Thumbnail for Path integral formulation
    equations in the same way) is easier to achieve than in the operator formalism of canonical quantization. Unlike previous methods, the path integral...
    86 KB (14,277 words) - 08:57, 19 May 2025
  • Beltrami, is a special case of the Euler–Lagrange equation in the calculus of variations. The Euler–Lagrange equation serves to extremize action functionals...
    6 KB (1,076 words) - 07:12, 21 October 2024
  • physics, the De Donder–Weyl theory is a generalization of the Hamiltonian formalism in the calculus of variations and classical field theory over spacetime...
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  • Thumbnail for Differential geometry
    ideas of tangent spaces, and eventually the development of the modern formalism of the subject in terms of tensors and tensor fields. The study of differential...
    46 KB (5,964 words) - 21:55, 19 May 2025
  • Thumbnail for Józef Maria Hoene-Wroński
    introducing a novel series expansion for a function in response to Joseph Louis Lagrange's use of infinite series. The coefficients in Wroński's new series form...
    20 KB (2,253 words) - 06:10, 25 January 2025
  • with gauge "flows". It involves the Batalin–Vilkovisky formalism, an extension of the BRST formalism. One of the earliest attempts at a natural quantization...
    12 KB (1,514 words) - 05:06, 8 May 2025
  • first term W μ {\displaystyle W^{\mu }} vanishes on solutions of the Euler–Lagrange equations and the second one is a boundary term, where U ν μ {\displaystyle...
    5 KB (570 words) - 14:49, 16 May 2023
  • Thumbnail for LSZ reduction formula
    {\displaystyle g\ \varphi {\bar {\psi }}\psi } . From this Lagrangian, using Euler–Lagrange equations, the equation of motion follows: ( ∂ 2 + m 0 2 ) φ ( x ) = j...
    29 KB (6,610 words) - 20:06, 28 May 2025
  • \mu ]}} represent anti-symmetrization, λ {\displaystyle \lambda } is a Lagrange multiplier (calculated elsewhere), and L is a Lagrangian translated from...
    110 KB (15,207 words) - 15:02, 23 May 2025
  • {\displaystyle {\mathcal {L}}_{0}(x_{-},x_{i})} . Then with the use of the Euler-Lagrange equations for x i {\displaystyle x_{i}} and x − {\displaystyle x_{-}} one...
    7 KB (1,362 words) - 04:31, 28 January 2024
  • current research topic. Classical density functional theory uses a similar formalism to calculate the properties of non-uniform classical fluids. Despite the...
    80 KB (10,626 words) - 22:19, 9 May 2025