Encyclopedia: EUL...
Encyclopedia : E : EU : EUL (232 articles)
Eula, Texas
Eula is an unincorporated community located in Callahan County, Texas. Contents 1 Geography2 Demographics3 History4 Today5 External links Geography Eula is located at 32°20'32" North, 99°32'42" West (32.3423509, -99.5617473)[Geographic references#1GR1]. De..
Eulachon
The eulachon, also hooligan or candlefish, is a small anadromous ocean fish, Thaleichthys pacificus, a smelt found along the Pacific coast of North America from northern California to Alaska. It feeds primarily on plankton as well as fish eggs, insect larvae, and small crustaceans. It forms an imp..
Eulalia Perez de Guillén Mariné
''' Eulalia Peréz de Guillén Mariné (1768 – 1878) was a centagenarian Californio who was "keeper of the keys" of San Gabriel Mission and owner of Rancho del Rincon de San Pascual in Alta California (the Los Angeles area of Southern California). Contents 1 Biography2 Excerpt ..
Eulalia Township, Pennsylvania
Eulalia Township is a township in Potter County, Pennsylvania, United States. The population was 941 at the 2000 census. Geography According to the United States Census Bureau, the township has a total area of 80.5 km² (31.1 mi²), all land. History Eulalia Township was the first township in Potte..
Eulalio Gutiérrez
Eulalio Martín Gutiérrez Ortiz President of Mexico Term of office:November 6 1914 – January 16 1915 Preceded by: Venustiano Carranza Succeeded by: Adolfo de la Huerta Date of birth: 1881 Place of birth: Santo Domingo, Coahuila Date of death: 1939 Place of..
Eulama
Eulama is a literary agency based in Rome, Italy. The name is short for European Latin American Agency. It was founded in Argentina in 1962, moving to Rome in 1964. Notable published authors include Mário Cláudio, Vilém Flusser and Agnes Heller. ..
Eulamprus
Classification Genus Eulamprus Eulamprus amplusEulamprus brachyosomaEulamprus frereiEulamprus heatwoleiEulamprus kosciuskoiEulamprus leuraensisEulamprus luteilateralisEulamprus martiniEulamprus murrayiEulamprus quoyiiEulamprus sokosomaEulamprus tenuisEulamprus tigrinusEulamprus tryoniEulamprus tym..
Eulate
Eulate is a town and municipality located in the province and autonomous community of Navarre, northern Spain. External link [EULATE in the Bernardo Estornés Lasa - Auñamendi Encyclopedia (Euskomedia Fundazioa)] () ..
Eulenspiegel
Eulenspiegel could stand for: Till Eulenspiegel A fictional prankster in German folkloreTill Eulenspiegels lustige Streiche a tone poem by Richard StraussThe Eulenspiegel Society - a BDSM support group in New York City This is a [disambiguationdisambiguation] page: a list of articles asso..
Euleptes
Classification of genus Euleptes: Euleptes europaea ..
Euler
Leonhard Euler, an 18th century Swiss mathematician and physicist.Carl Euler, a Swiss farmer and amateur ornithologist.The Euler programming language This is a [disambiguationdisambiguation] page: a list of articles associated with the same title. If an referred you to this page, you may..
Euler's conjecture
Euler's conjecture is a conjecture in mathematics related to Fermat's last theorem which was proposed by Leonhard Euler in 1769. It states that for every integer n greater than 2, the sum of n-1 nth powers of positive integers cannot itself be an nth power. On a more basic level, this conjecture sti..
Euler's constant
Euler's constant (from Leonhard Euler) may refer to either of two mathematical constants: Euler-Mascheroni constante the base of natural logarithmsThis is a [disambiguationdisambiguation] page: a list of articles associated with the same title. If an referred you to this page, you may ..
Euler's criterion
In mathematics, Euler's criterion is used in determining in number theory whether a given integer is a quadratic residue modulo a prime. Definition If p is an odd prime and a is an integer coprime to p then Euler's criterion states: if a is quadratic residue modulo p (i.e. there exists a number k..
Euler's disk
Euler's disk, named after Leonhard Euler, is a circular disk that spins, without slipping, on a surface. The canonical example is a coin spinning on a table. It is universally observed that a spinning Euler's disk ultimately comes to rest; and it does so quite abruptly, the final stage of motion b..
Euler's equations
This page discusses rigid body dynamics. For other uses, see Euler function (disambiguation). In physics, Euler's equations describe the rotation of a rigid body in a frame of reference fixed in the rotating body [\beginI_1\dot_+(I_3-I_2)\omega_2\omega_3 &=& N_\\I_2\dot_+(I_1-I_3)\omega_3\om..
Euler's Flycatcher
The Euler's Flycatcher, Lathrotriccus euleri is a small passerine bird in the tyrant flycatcher family. In appearance, it closely resembles the Empidonax flycatchers, and was formerly placed in that genus, but differs anatomically and biochemically. It breeds in South America east of the Andes f..
Euler's formula
This article is about Euler's formula in complex analysis. For Euler's formula in graph theory see planar graph. See also topics named after Euler. Euler's formula, named after Leonhard Euler, is a mathematical formula in complex analysis that shows a deep relationship between the trigonometric ..
Euler's four-square identity
In mathematics, Euler's four-square identity says that the product of two numbers, each of which being a sum of four squares, is itself a sum of four squares. Specifically: [(a_1^2+a_2^2+a_3^2+a_4^2)(b_1^2+b_2^2+b_3^2+b_4^2)\,] :[=(a_1 b_1-a_2 b_2 - a_3 b_3 - a_4 b_4)^2 + (a_1 b_2 +..
Euler's identity
For other meanings, see List of topics named after Leonhard Euler In mathematical analysis, Euler's identity, named after Leonhard Euler, is the equation [e^ + 1 = 0, \,\!] where [e\,\!] is Euler's number, the base of the natural logarithm, [i\,\!] is the imaginary..
Euler's line
Euler's line In geometry, Euler's line (red line in the image), named after Leonhard Euler, is the line passing through the orthocenter (blue), the circumcenter (green), the centroid (yellow), and the center of the nine-point circle (red point) of any triangle. Leonhard Euler showed that in any..
Euler's rotation theorem
Euler's rotation theorem states that, in 3D space, for any two coordinate systems with a common origin, there is a single Eigen vector with the same description in either system. It follows that the angular relationship between the two systems may be expressed as a rotation about this Eigen axis, t..
Euler's rule
Euler's rule, named after Leonhard Euler, is a generalization of Thâbit ibn Kurrah rule for finding amicable numbers. If a = 2m×(2n-m + 1) - 1, b = 2n×(2n-m + 1) - 1, and c = 2n+m×(2n-m + 1)2 - 1 are all prime, for integers 0 < m < n, then 2n × a × b and 2n × c are amicable. This hypothesis..
Euler's theorem
This article is about Euler's theorem in number theory. For other meanings, see List of topics named after Leonhard Euler. In number theory, Euler's theorem (also known as the Fermat-Euler theorem or Euler's totient theorem) states that if n is a positive integer and a is coprime to n, then aφ(n) ..
Euler's theorem in geometry
Euler's theorem states that the distance d between the circumcenter and incenter of a triangle can be expressed as [ d^2=R (R-2r)] where R and r denote the circumradius and inradius respectively (the radii of the above two circles). From the theorem follows the Euler inequality: [..
Euler's three-body problem
In physics and astronomy, Euler's three-body problem, named after Leonhard Euler, is to solve for the motion of a test mass that is free to move in the presence of the gravitational field of a primary and seconary mass which are fixed in space. This problem is the simplest three-body problem that r..
Euler's totient function
For other meanings, see Euler function (disambiguation). The first thousand values of φ(n) In number theory, the totient [\phi](n) of a positive integer n is defined to be the number of positive integers less than or equal to n and coprime to n. For example, [\phi](8) =..
Euler-Bernoulli beam equation
The elementary Euler-Bernoulli beam theory is a simplification of the linear isotropic theory of elasticity which allows quick calculation of the load-carrying capacity and deflection of common structural elements called beams. It was first enunciated circa 1750, but was not applied on a large scale..
Euler-Fokker genus
An Euler-Fokker genus is a musical scale in just intonation generated by a set of prime factors. Every possible product of the set of prime factors (including the empty product, 1) is a pitch in the scale (powers of two are usually ignored, because of the way the human ear perceives octaves). For ex..
Euler-Jacobi pseudoprime
In number theory, an odd composite integer n is called an Euler-Jacobi pseudoprime to base a, if a and n are coprime, and a(n − 1)/2 = (a/n) (mod n), where (a/n) is the Jacobi symbol. The motivation for this definition is the fact that all prime numbers n satisfy the above equation, as ex..
Euler-Lagrange equation
The Euler-Lagrange equation, developed by Leonhard Euler and Joseph-Louis Lagrange in the 1750s, is the major formula of the calculus of variations. It provides a way to solve for functions which extremize a given cost functional. It is widely used to solve optimization problems, and in conjunction ..
Euler-Liljestrand mechanism
The Euler-Liljestrand mechanism describes the connection between ventilation and blood circulation (perfusion) of the lung. If the ventilation in a part of the lung decreases, this leads to local hypoxia and to vasoconstriction in that part. This so-called shunt is an adaptive mechanism that is be..
Euler-Maclaurin formula
In mathematics, the Euler-Maclaurin formula provides a powerful connection between integrals (see calculus) and sums. It can be used to approximate integrals by finite sums, or conversely to evaluate finite sums and infinite series using integrals and the machinery of calculus. The formula was dis..
Euler-Mascheroni constant
The Euler-Mascheroni constant is a mathematical constant, used mainly in number theory, and is defined as the limiting difference between the harmonic series and the natural logarithm: [\gamma = \lim_ \left( \left( \sum_^n \frac \right) - \ln (n) \right)=\int_1^\infty\left(-\right)\,dx] ..
Euler-Rodrigues parameters
In mathematics, Euler-Rodrigues parameters, also called just Euler parameters, are four numbers a, b, c, d such that a2+b2+c2+d2=1. These parameterize the Lie group SU(2) via the expression [\begin \ \ \,a+di & b+ci \\ -b+ci & a-di \end]. They are nowadays more commonly called unit qua..
Euler-Tricomi equation
In mathematics, the Euler-Tricomi equation is a linear partial differential equation useful in the study of transonic flow. It is named for Leonhard Euler and Francesco Giacomo Tricomi. . [ u_=xu_.] It is hyperbolic in the half plane [x>0] and elliptic in the half plane [..
Eulerian path
In the mathematical field of graph theory, an Eulerian path is a path in a graph which visits each edge exactly once. They were first discussed by Leonhard Euler while solving the famous Seven Bridges of Königsberg problem in 1736. Mathematically the problem can be stated like this: Given the ..
Euler (crater)
Crater characteristics Oblique view of Euler crater from Apollo 17. NASA photo. Coordinates ..
Euler angles
Euler angles are the classical way of representing rotations in 3-dimensional Euclidean space, named after Leonhard Euler. In common parlance, "rotation" refers to a physical motion of some object about a pivot or axis. In mathematics, the motion aspect is abstracted away, and only the "before" and..
Euler approximation
The Euler approximation is a numerical method of solving differential equations, mostly useful when the solution to a differential equation cannot be found analytically. Euler approximations are found using a recursive formula that uses slope information, given by the derivative, to approximate a va..
Euler boolean operation
In constructive solid geometry, a Euler boolean operation is a series of modifications to solid modelling which perserves the Euler characteristic in the boundary representation at every stage. One or more of these Euler boolean operations is stored in a change state, so as to only represent models ..
Euler brick
In mathematics, an Euler Brick, named after the famous mathematician Leonhard Euler, is a cuboid with integer edges and also integer face diagonals. Alternatively stated, an Euler Brick is a solution to the following system of diophantine equations [a^2 + b^2 = d^2] [b^2 + c^2 = e^2..
Euler characteristic
In algebraic topology, the Euler characteristic is a topological invariant, a number that describes one aspect of a topological space's shape or structure. It is commonly denoted by [\chi]. The Euler characteristic was originally formulated for polyhedra and used to prove various theorems..
Euler class
In mathematics, specifically in algebraic topology, the Euler class is a characteristic class of oriented, real vector bundles. Like other characteristic classes, it measures how "twisted" the vector bundle is. In the case of the tangent bundle of a smooth manifold, it generalizes the clas..
Euler diagram
An Euler diagram is similar to a Venn diagram, but does not have to contain all zones (where a zone is defined as the area of intersection of two or more sets). Thus, an Euler diagram can define a universe of discourse, i.e. it can define a system whereby certain intersections are not possible or..
Euler equations
This page discusses classical compressible fluid flow. For other uses, see Euler function (disambiguation). In fluid dynamics, the Euler equations govern the motion of a compressible, inviscid fluid. They correspond to the Navier-Stokes equations with zero viscosity, although they are usually wri..
Euler function
Modulus of phi on the complex plane, colored so that black=0, red=4 For other meanings, see List of topics named after Leonhard Euler. In mathematics, the Euler function is given by [\phi(q)=\prod_^\infty (1-q^k)] Named after Leonhard Euler, it is a prototypical example of a q-series..
Euler Hermes
Please [Glossary#Wwikify] (format) this article or section as suggested in the [Guide to layoutGuide to layout] and the [Manual of StyleManual of Style]. Remove this template after wikifying. This article has been tagged since April 2006. Incorporated in 1893, Eule..
Euler hypergeometric integral
In mathematics, the Euler hypergeometric integral is a representation of the hypergeometric function by means of an integral. It is given by [\;_2F_1(a,b;c;z)=\frac\int_0^1 \frac \; (1-w)^ \;(1-zw)^a} ] which is valid for [0..
Euler integral
In mathematics, there are two types of Euler integral: Euler integral of the first kind: the Beta function[ \Beta(x,y)= \int_0^1t^(1-t)^\,dt =\frac]Euler integral of the second kind: the Gamma function[\Gamma(z) = \int_0^\infty t^\,e^\,dt] For positive integers m and n [\Be..
Euler integration
In mathematics and computational science, Euler integration is the most basic kind of numerical integration for calculating trajectories from forces at discrete timesteps. More generally, the method is a numerical procedure for solving first-order differential equations with a given initial value. ..
Euler Medal
The Euler Medal, named after the 18th-century mathematician Leonhard Euler (pronounced "oiler"), is an honor awarded annually by the Institute of Combinatorics and its Applications to mathematicians with a distinguished lifetime contribution to combinatorial research who are still active in research..
Euler number
This page discusses a topic in number theory. For other quantities named "Euler number", see the list of topics named after Leonhard Euler. In mathematics, in the area of number theory, the Euler numbers are a sequence En of integers defined by the following Taylor series expansion: [\frac = ..
Euler number (physics)
The Euler number or cavitation number is a dimensionless number used in flow calculations. It expresses the relationship between a flow's pressure and kinetic energy, and is used to characterize the potential of the flow to cavitate. It is named for Leonhard Euler. It is defined as [\mathit=..
Euler prime
In number theory, Euler primes or symmetric primes are primes that are the same distance from a given integer. For example 3 and 13 are both 5 units from the number 8, hence are symmetric primes. All twin primes, cousin primes, and sexy primes are symmetric primes. Euler/symmetric primes constitute..
Euler product
In mathematics, an Euler product is an infinite product expansion, indexed by prime numbers p, of a Dirichlet series. The name arose from the case of the Riemann zeta-function, where such a product representation was proved by Euler. In general, a Dirichlet series of the form [\sum_ a(n)n^\,&..
Euler programming language
Euler is a programming language created by Niklaus Wirth and Helmut Weber, conceived as an extension and generalization of ALGOL 60. The designer's goal were to create a language: which was simpler, and yet more flexible, than ALGOL 60that was a useful programming language processed with reasonable ..
Euler pseudoprime
An odd composite integer n is called an Euler pseudoprime to base a, if a and n are coprime, and [a^ \equiv \pm 1\pmod] (where mod refers to the modulo operation). The motivation for this definition is the fact that all prime numbers p satisfy the above equation which can be deduced fr..
Euler Software
Euler is a free and open-source numerical software package. It contains a matrix language, a graphical notebook style interface, and a plot window. It can handle real, complex and interval numbers, vectors and matrices, it can produce 2D/3D plots, and can be linked with YACAS "yet another computer..
Euler system
In mathematics, an Euler system is a technical device in the theory of Galois modules, first noticed as such in the work around 1990 by Victor Kolyvagin on Heegner points on modular elliptic curves. This concept has since undergone an axiomatic development, in particular by Barry Mazur and Karl Rubi..
Euless, Texas
Euless is a city in Tarrant County, Texas, United States. The population was 46,005 at the 2000 census. Part of Dallas/Fort Worth International Airport, which serves the cities of Dallas and Fort Worth, is inside the city limits of Euless. Mayor: Mary Lib Saleh Contents 1 Geography2 D..
Eulimellinae
Eulimellinae is one of eleven currently recognised subfamilies of the gastropod family Pyramidellidae; Odostomiinae, Turbonillinae, Chrysallidinae, Cingulininae, Cyclostremellinae, Sayellinae, Syrnolininae, Eulimellinae, Pyramidellinae, Odostomellinae and Tiberiinae. Eulimellinae was introduced by E..
EuLisp
EuLisp is a statically and dynamicly scoped Lisp dialect, developed, as name suggests, in Europe. The standardizers intended to create a new Lisp "less encumbered by the past" (compared to Common Lisp), and not so minimalistic as Scheme. Another objective was to integrate the Object-oriented program..
Euljiro 3-ga Station
Euljiro 3-ga Station Euljiro 3-ga Station Revised Romanization Euljiro 3(sam)-ga-yeok McCune-Reischauer Ūljiro 3(sam)-ga-yǒk Hangul 을지로3가역 Hanja 乙支路3街驛 Euljiro 3-ga Station (을지로3가역) is a station on the Seoul Subway Line 2 and Seoul Subway Line 3. Se..
Euljiro 4-ga Station
Euljiro 4-ga Station Euljiro 4-ga Station Revised Romanization Euljiro 4(sa)-ga-yeok McCune-Reischauer Ūljiro 4(sa)-ga-yǒk Hangul 을지로4가역 Hanja 乙支路4街驛 Euljiro 4-ga Station (을지로4가역) is a station on the Seoul Subway Line 2 and Seoul Subway Line 5. Rela..
Eulji Mundeok
Eulji Mundeok was a noted military leader of early 7th century Goguryeo, one of the Three Kingdoms of Korea. Often numbered among the greatest heroes in Korean military history, he defended Goguryeo against the Sui Chinese. Mundeok was born in the mid-6th century and died sometime after 618, alt..
Eulji University
Eulji University is a private university in central Daejeon, South Korea. It opened its doors as a college in March 1997. Instruction focuses on medical fields. The school was established by Dr. Park Jun-yeong and the Eulji Educational Foundation, which in turn grew out of the Eulji Hospital, w..
Eulmont
Eulmont is a French town in the Lorraine région in the département of Meurthe-et-Moselle. It had a population of 980 in 1999. ..
Eulogio Martínez
Eulogio Martínez Ramiro (June 11, 1935 in Asunción, Paraguay - 1984) was a Paraguayan football striker that shone in the 1950's and 1960's while playing for Spanish side FC Barcelona. He is remembered for being a prolific striker with an excellent finishing ability. Contents 1 Years at Bar..
Eulogy
See Eulogy (film) for the 2004 film. A eulogy is a funeral oration given in tribute to a person or people who have recently died. It can also praise a living person or people who are still alive, which normally takes place on special occasions like birthdays etc. Eulogies should not be confused w..
Eulogy (film)
Eulogy is a 2004 comedy film directed by Michael Clancy. The US release was a limited theatrical release. Cast Actor Role Zooey Deschanel Kate Collins Hank Azaria Hank Collins Piper Laurie Charlotte Collins Jesse Bradford Ryan Carmichael Glenne Headly ..
Eulogy for the Sewer Dwellers
Eulogy for the Sewer Dwellers is an album by Wreck of the Hesperus, released in 2005. Track listing "The Dull Fog of Eternity" – 13:03"Electric Arrows" – 5:34"Blood on the Snare" – 9:59 ..
Eulogy Recordings
Eulogy Recordings is a record label based in Fort Lauderdale, Florida. The label specializes in metalcore bands that are generally straight edge. Contents 1 Active roster2 Past Roster3 Related Labels4 See also5 External links Active roster This list includes bands which..
Eulonia, Georgia
Eulonia, Georgia, is a city located in McIntosh County in the U.S. state of Georgia. It is situated between Savannah and Brunswick just off Interstate 95. Geography need to figure out how to make map with red dot--> Eulonia is located at [31°31′59″N, 81°25′37″W][Geograph..
Eulophia
The genus Eulophia includes 210 species of orchids, subfamily Vandoideae, tribe Cymbidieae, subtribe Cyrtopodiinae. The genus was first described by John Lindley in 1821. The name "Eulophia" was derived from the Greek words "eu" (well) and "lophos" (plume), referring to the crested ridges of the..
Eulophia andamanensis
Eulophia andamanensis is an orchid endemic to the Andaman and Nicobar group of Islands are situated off the eastern coast of India between [6°45′N 93°12′E] and [13°41′N 93°57′E]. The genus Eulophia belongs to the subfamily Vandoideae, tribe Cymbidieae & subtribe..
Eulophidae
Eulophidae is a large family of Hymenopteran insects, with over 4,300 described species in some 300 genera (see List of Eulophid genera). These minute insects are challenging to study as they deteriorate rapidly after death unless extreme care is taken (e.g., preservation in ethanol), making ident..
Eulsa Ohjeok
Eulsa Ohjeok are the common term referring to five pro-Japanese Korean officials who supported and agreed to the illicit Eulsa Treaty that stripped Korean Empire of her diplomatic sovereignity. They included: Minister of Education Lee Wan-Yong(이완용;李完用), Minister of Army Lee Geun Taek(이..
Eulsa Treaty
The Eulsa Treaty was made between Korean Empire and Japanese Empire on 17 November 1905, influenced by the result of the Russo-Japanese War. The delegates of the both Empires had exchanged the arguments to solve the matter that the Emperor Gojong of Korea(고종;高宗) sent a secret envoy Lee yo..
Eulychnia
Eulychnia is a genus of candelabriform or arborescent cacti, comprising between 6 and 9 species depending on the authority. This genus has 1 synonym: Philippicereus Backeb.. ..
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