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unusual facts about Poisson's equation


Poisson's equation

The Poisson–Boltzmann equation plays a role in the development of the Debye–Hückel theory of dilute electrolyte solutions.


Abel's identity

It is especially useful for equations such as Bessel's equation where the solutions do not have a simple analytical form, because in such cases the Wronskian is difficult to compute directly.

April Fools' Day

In 1508, French poet Eloy d'Amerval referred to a poisson d’avril (April fool, literally "April fish"), a possible reference to the holiday.

Bloch wave

Other much studied periodic one-dimensional equations are the Kronig–Penney model and Mathieu's equation.

Canonical commutation relation

In 1946, Hip Groenewold demonstrated that a general systematic correspondence between quantum commutators and Poisson brackets could not hold consistently.

Dante's Equation

Calder Farris-- Lieutenant in the United States Army and agent for the United States Department of Defense, a violently patriotic sociopath investigating new weapons technology from non-mainstream scientific sources.

Becomes semi-divine Lord of the sentient but violent and cannibalistic denizens of the adjacent-universe, heavy-gravity planet called Fiori.

Ettore Majorana

Solution of Majorana's equation yields particles that are their own anti-particle, now referred to as Majorana Fermions.

Giovanni Carandino

Then, under Lord North government on Ionian Islands, his talent was remarked and he was sent to study mathematics in Ecole polytechnique, under Biot, Cauchy, Poisson and Fourier.

Huber's equation

Very useful in calculating the span width of the bridges like Golden Gate Bridge or Verrazano-Narrows Bridge, their beam cross-sections, etc.

Jane Jensen

Jane Jensen (b. January 28, 1963 in Palmerton, Pennsylvania) is the game designer of the popular and critically acclaimed Gabriel Knight adventure games and author of the novels Judgment Day and Dante's Equation.

Karl Heun

Karl Heun (born 3 April 1859, Wiesbaden; died 10 January 1929, Karlsruhe) was a German mathematician who introduced Heun's equation, Heun functions, and Heun's method.

Lagrange reversion theorem

Lagrange's reversion theorem is used to obtain numerical solutions to Kepler's equation.

Lucjan Böttcher

His name is attached to Böttcher theorem, in which he introduced Böttcher's equation and solved it under certain assumptions.

Mathematical analysis

Poisson, Liouville, Fourier and others studied partial differential equations and harmonic analysis.

Methods of computing square roots

Pell's equation (also known as Brahmagupta equation since he was the first to give a solution to this particular equation) and its variants yield a method for efficiently finding continued fraction convergents of square roots of integers.

Nambu mechanics

In 1973, Yoichiro Nambu suggested a generalization involving Nambu-Poisson manifolds with more than one Hamiltonian.

Poisson regression

CrimeStat: CrimeStat has Poisson, Poisson NB1, Poisson-Gamma(negative binomial), and Poisson-Lognormal regression models.

Stata: Stata has a procedure for Poisson regression named "poisson", and for panel data "xtpoisson"

SPSS: In SPSS, Poisson regression is done by using the GENLIN command

Pompadour

Madame de Pompadour (1721-1764), Jeanne-Antoinette Poisson, Marquise de Pompadour, mistress of King Louis XV

Quantum chaos

The system becomes more chaotic as dynamical symmetries are broken by increasing the quantum defect; consequently, the distribution evolves from nearly a Poisson distribution (a) to a Wigner distribution (h).

Random graph

In a large range of random graphs of order n and size M(n) the distribution of the number of tree components of order k is asymptotically Poisson.

Rosser's equation

In economics, Rosser's equation (named after J. Barkley Rosser, Jr.) calculates future US Social Security Administration Trust Fund balances and payments as the ratio of benefit payments in real terms for a given income level to be received the year after the Trust Fund would be exhausted, to those of the same income level for an initial year.

Schröder's equation

The series expansion around a fixed point and the relevant convergence properties of the solution for the resulting orbit and its analyticity properties are cogently summarized by Szekeres.

Stochastic simulation

A poisson-distributed random variable is usually used to describe the random number of events occuring over a certain time interval.

Victor-Ferdinand Bourgeois

He visited Étaples several times, where the port’s hustle and bustle offered him lively subjects, illustrated by canvases such as L’Arrivée du poisson and Retour des pêcheuses de crevettes, exhibited respectively at the 1907 and 1908 Salons.


see also