Equation |
Field |
Person(s) named after |
Allen–Cahn equation[1][2] |
Phase separation |
S. Allen and John W. Cahn |
Archard equation |
Materials science |
John F. Archard |
Arrhenius equation |
Chemical kinetics |
Svante Arrhenius |
Aryabhata equation |
Number theory |
Aryabhata |
Ashkin–Teller model |
Statistical mechanics |
Edward Teller Julius Ashkin |
Assis-Einloft model[3][4][5] |
Radio wave propagation, rain attenuation |
Mauro S. Assis and Claudio M. Einloft |
Avrami equation |
Phase transformation |
Melvin Avrami |
Bellman equation |
Control theory |
Richard Bellman |
Beltrami equation |
Differential geometry |
Eugenio Beltrami |
Benedict–Webb–Rubin equation |
Fluid dynamics |
M. Benedict, G. B. Webb, and L. C. Rubin |
Benjamin–Bona–Mahony equation
Benjamin–Ono equation |
Fluid dynamics, Wave mechanics
Waves in fluids |
T. B. Benjamin, J. L. Bona, and J. J. Mahony
T. B. Benjamin and H. Ono |
Bernoulli's equation |
Fluid dynamics |
Daniel Bernoulli |
Bernoulli differential equation |
Calculus |
Jacob Bernoulli |
Bessel differential equation |
Special functions |
Friedrich Bessel |
Birch–Murnaghan equation of state |
Continuum mechanics |
Francis Birch and Francis D. Murnaghan |
Birkhoff–Rott equation[6][7] |
Fluid dynamics |
Garrett Birkhoff |
Black's equation |
Electronics |
James R. Black |
Black–Scholes equation |
Mathematical finance |
Fischer Black and Myron Scholes |
Blaney–Criddle equation |
Agronomy |
Blaney and Criddle |
Boltzmann equation |
Thermodynamics |
Ludwig Boltzmann |
Bôcher's equation |
Calculus |
Maxime Bôcher |
Borda–Carnot equation |
Fluid dynamics |
Jean-Charles de Borda and Lazare Carnot |
Boussinesq equations |
Wave mechanics |
Joseph Boussinesq |
Breit equation |
Quantum mechanics |
Gregory Breit |
Bridgman's equation[8]
Bridgman's thermodynamic equations |
Dimensional analysis
Thermodynamics |
Percy Williams Bridgman
Percy Williams Bridgman |
Broer–Kaup–Kupershmidt equation[9] |
Wave mechanics |
Lambertus Broer, D. J. Kaup, and B. A. Kupershmidt |
Buckley–Leverett equation |
Two-phase flow in porous media |
S. E. Buckley and M. C. Leverett |
Burgers' equation |
Fluid dynamics |
Johannes Martinus Burgers |
Cahn–Hilliard equation |
Phase separation |
John W. Cahn and John E. Hilliard |
Callan–Symanzik equation |
Quantum field theory |
Curtis Callan and Kurt Symanzik |
Callendar–Van Dusen equation |
Thermodynamics |
Hugh Longbourne Callendar and M. S. Van Dusen |
Camassa–Holm equation |
Fluid dynamics |
Roberto Camassa and Darryl Holm |
Carothers equation |
Polymer chemistry |
Wallace Carothers |
Cauchy's equation
Cauchy momentum equation
Cauchy's functional equation
Cauchy's integral formula
Cauchy–Euler equation
Cauchy–Riemann equations |
Optics
Fluid Dynamics
Functional theory
Complex Analysis
Calculus
Complex Analysis |
Augustin Louis Cauchy
Augustin Louis Cauchy
Augustin Louis Cauchy
Augustin Louis Cauchy
Augustin Louis Cauchy and Leonhard Euler
Augustin Louis Cauchy and Bernhard Riemann |
Cesàro equation |
Differential geometry |
Ernesto Cesàro |
Chaplygin's equation |
Transonic flow |
Sergey Chaplygin |
Chapman–Kolmogorov equation
Chapman–Enskog equation[10] |
Probability theory
Kinetic theory |
Sydney Chapman and Andrey Kolmogorov
Sydney Chapman and David Enskog |
Chebyshev equation |
Calculus |
Pafnuty Chebyshev |
Churchill–Bernstein equation |
Heat Transfer |
S. W. Churchill and M. Bernstein |
Clairaut's equation |
Calculus |
Alexis Clairaut |
Clausius–Clapeyron equation |
Calculus |
Rudolf Clausius and Émile Clapeyron |
Clausius–Mossotti equation |
Physics |
Rudolf Clausius and Ottaviano-Fabrizio Mossotti |
Colebrook equation
Colebrook–White equation |
Fluid dynamics
Fluid dynamics |
C. F. Colebrook
C. F. Colebrook and F. M. White |
Competitive Lotka–Volterra equations |
Population dynamics |
Alfred J. Lotka and Vito Volterra |
Conformal Killing equation |
Topology, Differential geometry |
Wilhelm Killing |
Darcy–Weisbach equation |
Fluid dynamics |
Henry Darcy and Julius Weisbach |
Davey–Stewartson equation |
Fluid dynamics |
A. Davey and K. Stewartson |
Debye–Hückel equation |
Electrochemistry |
Peter Debye and Erich Hückel |
Degasperis–Procesi equation |
Mathematical physics |
Antonio Degasperis and M. Procesi |
Dehn–Sommerville equations |
Geometry |
Max Dehn and Duncan Sommerville |
Diophantine equation |
Mathematics |
Diophantus of Alexandria |
Dirac equation
Dirac equation in APS |
Quantum mechanics
Quantum field theory |
Paul Dirac
Paul Dirac |
Doppler equations |
Wave mechanics |
Christian Doppler |
Drake equation |
Cosmology |
Frank Drake |
Duffing equation |
Differential equations |
Duffing |
Dym equation |
Wave mechanics |
Harry Dym |
Einstein field equations |
General relativity |
Albert Einstein |
Ernst equation |
PDE |
Frederick J. Ernst |
Euler equations (fluid dynamics)
Euler's equations (rigid body dynamics)
Euler–Bernoulli beam equation
Euler–Lagrange equation
Euler–Darboux equation[11]
Euler–Poisson–Darboux equation
Euler–Tricomi equation |
Fluid dynamics
Rigid body dynamics
Solid mechanics
Calculus of variations
Calculus
Calculus
Calculus |
Leonhard Euler
Leonhard Euler
Leonhard Euler and Daniel Bernoulli
Leonhard Euler and Joseph Louis Lagrange
Leonhard Euler and Jean Darboux
Euler, Poisson, and Jean Darboux
Leonhard Euler and Francesco Tricomi |
Exner equation |
Geology, Sedimentology |
Felix Maria Exner |
Eyring–Polanyi equation |
Chemical kinetics |
Henry Eyring and Michael Polanyi |
Faddeev equations |
Quantum mechanics |
Ludvig Faddeev |
Falkner–Skan equation |
Boundary layer flow |
V. M. Falkner and S. W. Skan |
Falkowich–Kármán equation |
Transonic flow |
Falkowich and Theodore von Kármán |
Fenske equation |
Distillation |
Merrell Fenske |
Fisher equation |
Financial mathematics |
Irving Fisher |
Fisher's equation |
Mathematics |
Ronald Fisher |
Fokker–Planck equation |
Probability theory |
Adriaan Fokker and Max Planck |
Föppl–von Kármán equations |
Elasticity |
August Föppl and Theodore von Kármán |
Fowler–Nordheim equation |
Condensed matter physics |
Ralph H. Fowler and Lothar Wolfgang Nordheim |
Fredholm integral equation |
Integral equations |
Erik Fredholm |
Fresnel equations |
Wave optics |
Augustin-Jean Fresnel |
Friedmann equations |
Cosmology |
Alexander Friedman |
Gauss–Codazzi equations
Gauss–Codazzi equations (relativity) |
Riemannian geometry
General relativity |
Carl Friedrich Gauss and Delfino Codazzi
Carl Friedrich Gauss and Delfino Codazzi |
Gibbs–Duhem equation
Gibbs–Helmholtz equation |
Thermodynamics
Thermodynamics |
Josiah Willard Gibbs and Pierre Duhem
Josiah Willard Gibbs and Hermann von Helmholtz |
Ginzburg–Landau equation |
Superconductivity |
Lev Landau and Vitaly Ginzburg |
Goldman–Hodgkin–Katz flux equation
Goldman–Hodgkin–Katz voltage equation |
Electrochemistry
Electrochemistry |
David E. Goldman, Alan Hodgkin, and Bernard Katz
David E. Goldman, Alan Hodgkin, and Bernard Katz |
Grad–Shafranov equation |
Magnetohydrodynamics, Plasma physics |
H. Grad and Vitaly D. Shafranov |
Green–Kubo relations |
Statistical mechanics |
M. S. Green and Ryogo Kubo |
Gross–Pitaevskii equation |
Condensed matter physics |
E. P. Gross and Lev P. Pitaevskii |
Haaland equation |
Fluid dynamics |
S. E. Haaland |
Hadamard–Rybczynski equation |
Bubble dynamics |
Jacques Hadamard and Witold Rybczyński |
Hamilton–Jacobi equation
Hamilton–Jacobi–Bellman equation |
Hamiltonian mechanics
Optimal control |
William Hamilton and Carl Gustav Jacobi
William Hamilton, Carl Gustav Jacobi, and Richard Bellman |
Hammett equation |
Organic Chemistry |
Louis Plack Hammett |
Hankinson's equation |
Wood science |
Hankinson |
Hartree equation |
Atomic physics |
Douglas Hartree |
Hartree–Fock equation |
Quantum Chemistry |
Douglas Hartree and Vladimir Fock |
Hasegawa–Mima equation |
Plasma physics |
Akira Hasegawa and Kunioki Mima |
Hazen–Williams equation |
Hydraulics, Irrigation |
Hazen and Williams |
Helmholtz equation |
Electromagnetic radiation, Seismology, Acoustics |
Hermann von Helmholtz |
Henderson–Hasselbalch equation |
Chemistry |
Lawrence Joseph Henderson and Karl Albert Hasselbalch |
Heun's equation |
Calculus |
Karl L. W. M. Heun |
Hill equation (biochemistry) |
Biochemistry |
Archibald Vivian Hill |
Hill differential equation |
Orbital Mechanics |
George William Hill |
Hugoniot equation |
Compressible flows |
Pierre Henri Hugoniot |
Hunter–Saxton equation |
Liquid crystals |
John K. Hunter and Ralph Saxton |
Hunter–Zheng equation |
PDE |
John K. Hunter and Yuxi Zheng |
Ishimori equation |
PDE |
Y. Ishimori |
John's equation |
Calculus |
Fritz John |
Johnson–Holmquist equation of state |
Ceramic science |
Johnson Holmquist |
Kadomtsev–Petviashvili equation
Kadomtsev–Petviashvili–Burgers equation |
Wave mechanics
Wave mechanics |
B. B. Kadomtsev and V. I. Petviashvili
B. B. Kadomtsev, V. I. Petviashvili, and J. M. Burgers |
Kapustinskii equation |
Crystallography |
Anatoli Kapustinskii |
Kármán–Howarth equation |
Turbulent flow |
Theodore von Kármán and L. Howarth |
Karplus equation |
Nuclear magnetic resonance |
Martin Karplus |
Kaup–Kupershmidt equation |
Wave mechanics |
D. J. Kaup and B. A. Kupershmidt |
Kepler's equation |
Astronomy |
Johannes Kepler |
Klein–Gordon equation |
Quantum field theory |
Oskar Klein and Walter Gordon |
Kohn–Sham equations |
Mathematics |
Walter Kohn and Lu Jeu Sham |
Kolmogorov backward equation |
Probability distribution |
Andrey Kolmogorov |
Kolmogorov–Feller equation[12] |
Probabilistic models |
Andrey Kolmogorov and William Feller |
Korteweg–de Vries equation |
Wave mechanics, Solitons |
Diederik Korteweg and Gustav de Vries |
Kozeny–Carman equation |
Fluid dynamics, Unit operations |
Josef Kozeny and Philip C. Carman |
Krichever–Novikov equation |
Lie algebra |
I. M. Krichever and Sergei Novikov |
Laguerre's equation |
Differential equation |
Edmond Laguerre |
Lamm equation |
Sedimentation theory |
O. Lamm |
Landau–Lifshitz equation |
Aeroacoustics |
Lev Landau and Evgeny Lifshitz |
Landau–Lifshitz–Gilbert equation |
Magnetization |
Lev Landau, Evgeny Lifshitz, and T. L. Gilbert |
Lane–Emden equation |
Astrophysics |
Jonathan Homer Lane and Robert Emden |
Langevin equation |
Statistical physics |
Paul Langevin |
Laplace's equation
Laplace's tidal equations |
Electromagnetism, Fluid dynamics
Fluid dynamics |
Pierre-Simon Laplace
Pierre-Simon Laplace |
Legendre's equation |
Spherical harmonics |
Adrien-Marie Legendre |
Leonard–Merritt formula |
Astrophysics |
Peter Leonard and David Merritt |
Levy–Mises equations |
Solid mechanics |
Paul Pierre Lévy and Richard von Mises |
Liénard equation |
Dynamical systems |
Alfred-Marie Liénard |
Lighthill equation |
Aeroacoustics |
James Lighthill |
Lindblad equation |
Quantum mechanics |
G. Lindblad |
Lin–Tsien equation |
PDE |
Lin and Tsien |
Lindley equation |
Queueing theory |
Dennis Lindley |
Liouville equations |
Differential geometry |
Joseph Liouville |
Lommel differential equation |
Calculus |
Eugen von Lommel |
Lorentz equation |
Electromagnetism |
Hendrik Lorentz |
Lorentz–Lorenz equation |
Optics |
Hendrik Lorentz and Ludvig Lorenz |
Lotka–Volterra equation |
Biological systems |
Alfred J. Lotka and Vito Volterra |
Lyapunov equation |
Control theory |
Aleksandr Lyapunov |
Madelung equations |
Quantum mechanics |
Erwin Madelung |
Majorana equation |
Quantum field theory |
Ettore Majorana |
Manakov equation |
Wave mechanics, Fiber optics |
S. V. Manakov |
Marchenko equation |
Scattering theory |
Vladimir Marchenko |
Mark–Houwink equation |
Polymer chemistry |
Herman Francis Mark and Houwink |
Mason equation |
Atmospheric thermodynamics |
Basil John Mason |
Mason–Weaver equation |
Sedimentation theory |
Max Mason and Warren Weaver |
Mathieu equation |
Periodic phenemena, Parametric resonance |
Émile Léonard Mathieu |
Mathisson–Papapetrou–Dixon equations |
General relativity, Gravitational waves |
Mathisson, A. Papapetrou, and G. W. Dixon |
Maurer–Cartan equation |
Lie groups, Differential geometry |
Ludwig Maurer and Élie Joseph Cartan |
Maxwell's equations
Maxwell Relations |
Electrodynamics
Thermodynamics |
James Clerk Maxwell
James Clerk Maxwell |
Mayo–Lewis equation |
Polymer chemistry |
Frank R. Mayo and Frederick M. Lewis |
Michaelis–Menten equation |
Chemical kinetics |
Leonor Michaelis and Maud Menten |
Monge–Ampère equation |
Calculus |
Gaspard Monge and André-Marie Ampère |
Morison equation |
Fluid dynamics |
J. R. Morison |
Nahm equations |
Differential equations |
Werner Nahm |
Navier–Stokes equations |
Fluid dynamics |
Claude-Louis Navier and George Gabriel Stokes |
Nernst equation |
Electrochemistry |
Walther Nernst |
Neugebauer equations |
Printing systems |
Hans E. J. Neugebauer |
Newton–Euler equations |
Classical mechanics |
Isaac Newton and Leonhard Euler |
Nonlinear Schrödinger equation |
Theoretical physics |
Erwin Schrödinger |
Ornstein–Zernike equation |
Statistical mechanics |
Leonard Ornstein and Frits Zernike |
Painlevé equations |
Differential equations |
Paul Painlevé |
Orr–Sommerfeld equation |
Fluid dynamics, Stability analysis |
William McFadden Orr and Arnold Sommerfeld |
Osipkov–Merritt model |
Astrophysics |
Leonid Osipkov and David Merritt |
Papapetrou–Dixon equations |
General relativity, Gravitational waves |
A. Papapetrou and G. W. Dixon| |
Pauli equation |
Quantum mechanics |
Wolfgang Pauli |
Pell's equation |
Number theory |
John Pell |
Penman equation
Penman–Monteith equation |
Agronomy
Agronomy |
Howard Penman
Howard Penman and J. L. Monteith |
Picard–Fuchs equation |
Calculus |
Charles Émile Picard and Lazarus Fuchs |
Poisson's equation
Poisson–de Rham equation |
Calculus
Astrophysics |
Siméon Denis Poisson
Siméon Denis Poisson and Georges de Rham |
Pople—Nesbet equations |
Quantum Chemistry |
John Pople and R. K. Nesbet |
Prandtl–Glauert equation |
Compressible flows |
Ludwig Prandtl and Hermann Glauert |
Price equation |
Evolutionary dynamics, Evolutionary biology |
George R. Price |
Prony equation |
Hydraulics |
Gaspard de Prony |
Rabinovich–Fabrikant equations |
Chaotic systems |
M. I. Rabinovich and A. L. Fabrikant |
Ramanujan–Nagell equation |
Number theory |
Srinivasa Ramanujan and Trygve Nagell |
Rankine–Hugoniot equation |
Compressible flows |
William Rankine and Pierre Henri Hugoniot |
Rarita–Schwinger equation |
Quantum electrodynamics |
William Rarita and Julian Schwinger |
Raychaudhuri equation |
General relativity |
Amal Kumar Raychaudhuri |
Rayleigh's equation
Rayleigh–Pitot equation
Rayleigh–Plesset equation |
Stability of inviscid flows
Gasdynamics
Bubble oscillation |
Lord Rayleigh
Lord Rayleigh and Henri Pitot
Lord Rayleigh and Milton S. Plesset |
Reynolds-averaged Navier–Stokes equations |
Turbulent flows |
Osborne Reynolds, Claude-Louis Navier, and George Stokes |
Relativistic Euler equations |
Astrophysics, Fluid dynamics |
Leonhard Euler |
Riccati equation |
Calculus |
Jacopo Riccati |
Richards equation |
Hydrology |
Lorenzo Richards |
Riemann theta function
Riemann zeta function
Riemann's differential equation |
Special functions
Number theory
Differential equation |
Bernhard Riemann
Bernhard Riemann
Bernhard Riemann |
Rodrigues equation |
Chromatography |
Alirio E. Rodrigues |
Roothaan equations or Roothaan–Hall equations |
Quantum chemistry |
Clemens Roothaan and George Hall |
Sackur–Tetrode equation |
Statistical thermodynamics |
Hugo Martin Tetrode and Otto Sackur |
Sagan equation |
Cosmology |
Carl Sagan |
Saha–Langmuir equation |
Quantum mechanics, Statistical mechanics |
Megh Nad Saha and Irving Langmuir |
Sawada–Kotera equation[13] |
Wave mechanics |
K. Sawada and T. Kotera |
Scheil–Gulliver equation |
Metallurgy |
G. H. Gulliver and E. Scheil |
Schrödinger equation
Schrödinger–Newton equations |
Quantum mechanics
Quantum mechanics |
Erwin Schrödinger
Erwin Schrödinger and Isaac Newton |
Schwinger–Dyson equation |
Quantum field theory |
Julian Schwinger and Freeman Dyson |
Screened Poisson equation |
Plasma physics |
Siméon Denis Poisson |
Seiberg–Witten equation |
PDE |
Nathan Seiberg and Edward Witten |
Sellmeier equation |
Optics |
W. Sellmeier |
sine–Gordon equation |
Solitons |
Walter Gordon |
Slutsky equation |
Consumer theory |
Eugen Slutsky |
Souders–Brown equation |
Separation processes |
M. Souders and G. G. Brown |
Starling equation |
Fluid dynamics |
Ernest Starling |
Stokes–Einstein equation |
Diffusion of particles |
George Gabriel Stokes and Albert Einstein |
Sturm–Liouville equation |
Differential equation |
Jacques Charles François Sturm and Joseph Liouville |
Swamee–Jain equation |
Fluid dynamics |
P. K. Swamee and A. K. Jain |
Swift–Hohenberg equation |
Pattern formation |
J. B. Swift and P. C. Hohenberg |
Sylvester equation
Sylvester's formula |
Control theory
Matrix theory |
James Sylvester
James Sylvester |
Taft equation |
Physical organic Chemistry |
Robert W. Taft |
Tanaka equation |
Stochastic theory |
Hiroshi Tanaka |
Torricelli's equation |
Mechanics |
Evangelista Torricelli |
Tricomi equation |
Partial differential equations |
Francesco Tricomi |
Tsiolkovsky rocket equation |
Astrodynamics |
Konstantin Tsiolkovsky |
Van Deemter's equation |
Chromatography |
J. J. Van Deemter |
Van der Pol equation |
Dynamical systems |
Balthasar van der Pol |
Van der Waals equation |
Thermodynamics |
Johannes Diderik van der Waals |
Van 't Hoff equation |
Chemical thermodynamics |
Jacobus Henricus van 't Hoff |
Verhulst equation |
Population dynamics |
Pierre François Verhulst |
Vlasov equation
Vlasov–Poisson equation |
Plasma physics
Plasma physics |
Anatoly Vlasov
Anatoly Vlasov and Siméon Denis Poisson |
Volterra integral equation |
Integral equations |
Vito Volterra |
Wald's equation |
Probability theory |
Abraham Wald |
Washburn's equation |
Flow in porous media |
Edward W. Washburn |
Weber's equation |
Differential equation |
Heinrich Friedrich Weber |
Welch–Satterthwaite equation |
Statistics, Uncertainty analysis |
B. L. Welch and F. E. Satterthwaite |
Wheeler–deWitt equation |
Quantum gravity |
John Archibald Wheeler and Bryce DeWitt |
Whewell equation |
Geometry |
William Whewell |
Wiener equation |
Brownian motion |
Norbert Wiener |
Yang–Baxter equation
Yang–Mills–Higgs equations |
Statistical mechanics
Gauge theory, Quantum field theory |
Chen Ning Yang and Rodney J. Baxter
Chen Ning Yang, Robert Mills, and Peter Higgs |
Young–Dupré equation
Young–Laplace equation |
Interfacial dynamics
Fluid dynamics |
Thomas Young and Lewis Dupré
Thomas Young and Pierre-Simon Laplace |
Zakai equation |
Stochastic differential equations |
M. Zakai |
Zakharov–Schulman system of equation |
Acoustic waves |
Vladimir E. Zakharov and E. I. Schulman |