Incidence
Look up incidence in Wiktionary, the free dictionary. Incidence may refer to: Benefit incidence, the availability of a benefit ... a branch of mathematics Incidence geometry, the study of relations of incidence between various geometrical objects Incidence ( ... a quality of some vertex-edge pairs Incidence list, a concept in graph theory Incidence matrix, a matrix that shows the ... a measure of frequency Angle of incidence, a measure of deviation of something from "straight on" Incidence (epidemiology), a ...
Benefit incidence
In economics, benefit incidence refers to the availability of a benefit. In the United States, the benefit incidence is ... Employee benefit Expenditure incidence National Compensation Survey Fiscal incidence Bureau of Labor Statistics "BLS ... Benefit incidence, U.S. Bureau of Labor Statistics Division of Information Services Employee Benefits Survey, U.S. Bureau of ...
Incidence algebra
An incidence algebra is analogous to a group algebra; indeed, both the group algebra and the incidence algebra are special ... Graph algebra Incidence coalgebra Path algebra Incidence algebras of locally finite posets were treated in a number of papers ... Any element of the reduced incidence algebra that is invertible in the larger incidence algebra has its inverse in the reduced ... This is a subalgebra of the incidence algebra, and it clearly contains the incidence algebra's identity element and zeta ...
Incidence geometry
... so it is not surprising to find that some authors refer to incidence structures as incidence geometries. Incidence structures ... In mathematics, incidence geometry is the study of incidence structures. A geometric structure such as the Euclidean plane is a ... Media related to Incidence geometry at Wikimedia Commons incidence system at the Encyclopedia of Mathematics (Articles with ... A similar bound for the number of incidences is conjectured for point-circle incidences, but only weaker upper bounds are known ...
Incidence poset
In mathematics, an incidence poset or incidence order is a type of partially ordered set that represents the incidence relation ... is an incidence poset of a path graph. Every incidence poset of a non-empty graph has height two. Its width equals the number ... If an incidence poset has high dimension then it must contain copies of the incidence posets of all small trees either as sub- ... The incidence poset of a graph G has an element for each vertex or edge in G; in this poset, there is an order relation x ≤ y ...
Incidence matrix
The incidence matrix of a signed graph is a generalization of the oriented incidence matrix. It is the incidence matrix of any ... incidence matrices for digraphs) Wikimedia Commons has media related to Incidence matrices of graphs. Look up incidence matrix ... The incidence matrix of an incidence structure C is a p × q matrix B (or its transpose), where p and q are the number of points ... The unoriented incidence matrix (or simply incidence matrix) of an undirected graph is a n × m {\displaystyle n\times m} matrix ...
Incidence coloring
The incidence chromatic number of a square mesh is 5. The incidence chromatic number of a hexagonal mesh is 7. The incidence ... By definition, it is obvious that 1-tuple incidence k-coloring is an incidence k-coloring too. The fractional incidence ... An r-tuple incidence k-coloring of a graph G is the assignment of r colors to each incidence of graph G from a set of k colors ... Let I(G) be the set of all incidences of G. An incidence coloring of G is a function c : I ( G ) → N {\displaystyle c:I(G)\to \ ...
Tax incidence
When examining specific incidence (or absolute incidence), a single tax is increased or decreased, and at the same time, it is ... The key concept of tax incidence (as opposed to the magnitude of the tax) is that the tax incidence or tax burden does not ... Like budget incidence, differential incidence can be studied in a closed model in which the government budget constraint is ... Budget incidence and differential incidence are logically on the same level. The only difference between these two techniques ...
Fiscal incidence
When the economic incidence of taxation is combined with the economic incidence of government expenditures, the result is a ... This is referred to as fiscal incidence. Early empirical studies of fiscal incidence date to the 1940s. Two early studies ... In the 1990s a branch of fiscal incidence known as "benefit incidence analysis" grew in popularity. Largely pioneered by ... Fiscal incidence is the overall impact of government taxing and spending considered together. In theory, governments withdraw ...
Expenditure incidence
... is the effect of government expenditure upon the distribution of private incomes. This is commonly ... K.N.Reddy (1990), "Incidence of Public Expenditure in Andhra Pradhesh", Economy planning and policies, pp. 51-74, ISBN 978-81- ... 1-32, ISBN 978-0-8213-6144-3 Charles E. McClure (1972), "The Theory of Expenditure Incidence", FinanzArchiv, 30: 432-453 v t e ... 445-488, ISBN 978-0-538-75446-0 Giuseppe Ruggeri (2005), "Public Expenditure Incidence Analysis", Public expenditure analysis, ...
Incidence (geometry)
Menelaus theorem Ceva's theorem Concyclic Incidence matrix Incidence algebra Incidence structure Incidence geometry Levi graph ... The most basic incidence relation is that between a point, P, and a line, l, sometimes denoted P I l. If P I l the pair (P, l) ... Incidence of a point and a line is given by containment of the one-dimensional subspace in the two-dimensional subspace. Fix a ... The propositions of incidence are derived from the following basic result on vector spaces: given subspaces U and W of a ( ...
Incidence (epidemiology)
Incidence proportion (IP), also known as cumulative incidence, is defined as the probability that a particular event, such as ... It is also known as the incidence density rate or person-time incidence rate, when the denominator is the combined person-time ... This disease will have both high incidence and high prevalence in 2002, but in 2003 it will have a low incidence yet will ... The importance of this equation is in the relation between prevalence and incidence; for example, when the incidence increases ...
Incidence structure
If an incidence structure C has an incidence matrix M, then the dual structure C∗ has the transpose matrix MT as its incidence ... the Fano plane is a self-dual incidence structure. An incidence figure (that is, a depiction of an incidence structure), is ... The incidence matrix of a (finite) incidence structure is a (0,1) matrix that has its rows indexed by the points {pi} and ... Incidence structures can be modelled by points and curves in the Euclidean plane with the usual geometric meaning of incidence ...
Incidence (graph)
An incidence coloring of a graph G {\displaystyle G} is an assignment of a color to each incidence of G in such a way that ... An incidence graph is a Levi graph. In graph theory, a vertex is incident with an edge if the vertex is one of the two vertices ... An incidence is a pair ( u , e ) {\displaystyle (u,e)} where u {\displaystyle u} is a vertex and e {\displaystyle e} is an edge ... The Incidence Coloring Page, by Éric Sopena. v t e (Articles lacking in-text citations from February 2023, All articles lacking ...
Angle of incidence
... is a measure of deviation of something from "straight on" and may refer to: Angle of incidence (aerodynamics ... Look up angle of incidence in Wiktionary, the free dictionary. ... which is relative to the airflow Angle of incidence (optics), ... the approach of a ray to a surface This disambiguation page lists articles associated with the title Angle of incidence. If an ...
Variable-incidence wing
A variable-incidence wing has an adjustable angle of incidence relative to its fuselage. This allows the wing to operate at a ... so it was given a variable-incidence wing. Russian designer S. G. Kozlov designed the E1 variable-incidence fighter, but the ... Without a variable-incidence wing (or other high-lift device), the pilot must pitch up the entire aircraft to maintain lift at ... By increasing the incidence of the wing but not the fuselage, both high lift and good forward vision can be maintained. The ...
Incidence (video game)
"Incidence Review". Pocket Gamer. Retrieved 2017-03-12. Nik Ives-Allison (2017-03-07). "Incidence Review: Mini-Putt Meets ... "Incidence". Metacritic. Retrieved 2017-03-12. "'Incidence' Review - Follow the Bouncing Ball". TouchArcade. 2017-03-17. ... The goal of each level of Incidence is to get a ball into a hole in a set number of shots (4 shots to be precise). The player ... Incidence is a minimalist golfing style game by ScrollView Games. It was released on iOS on March 1, 2017. ...
Grazing incidence diffraction
... (GID) is a technique for interrogating a material using small incidence angles for an incoming ... Grazing incidence atom scattering, where the fact that atoms (and ions) can also be waves is used to diffract from surfaces. ... Grazing-incidence small-angle scattering (GISAS) a hybrid approach using small scattering (diffraction) angles with X-rays or ... Levine, J. R.; Cohen, J. B.; Chung, Y. W.; Georgopoulos, P. (1989-12-01). "Grazing-incidence small-angle X-ray scattering: new ...
Plane of incidence
In describing reflection and refraction in optics, the plane of incidence (also called the incidence plane or the meridional ... S-polarized light has polarization perpendicular to the plane of incidence. The s in s-polarized comes from the German word ... Angle of incidence (optics) Plane of polarization Vertical plane "Brewster's law". Britannica. Retrieved 2019-06-04. Chapple, M ... P-polarized light is incident linearly polarized light with polarization direction lying in the plane of incidence. ...
Affine plane (incidence geometry)
Given the "line/point" incidence matrix of any finite incidence structure, M, and any field, F the row space of M over F is a ... An incidence structure more general than a finite affine plane is a k-net of order n. This consists of n2 points and nk lines ... When the incidence structure is a finite affine plane, the codes belong to a class of codes known as geometric codes. How much ... Only the incidence relations are needed for this construction. An affine plane can be obtained from any projective plane by ...
Angle of incidence (optics)
Incidence at small grazing angles is called "grazing incidence." Grazing incidence diffraction is used in X-ray spectroscopy ... The angle of incidence, in geometric optics, is the angle between a ray incident on a surface and the line perpendicular (at 90 ... In the figure below, the line representing a ray makes an angle θ with the normal (dotted line). The angle of incidence at ... In computer graphics and geography, the angle of incidence is also known as the illumination angle of a surface with a light ...
Angle of incidence (aerodynamics)
Other terms for angle of incidence in this context are rigging angle and rigger's angle of incidence. The angle of incidence ... It can change with no change in the AoI (Angle of Incidence). Several factors may change the rotor blade AoA. Pilots control ... On fixed-wing aircraft, the angle of incidence (sometimes referred to as the mounting angle or setting angle) is the angle ... Angles of incidence of about 6° are common on most general aviation designs. ...
Near vertical incidence skywave
... , or NVIS, is a skywave radio-wave propagation path that provides usable signals in the medium ... ISBN 978-1-872309-51-4. Wedgwood, Antony (G0TJD); Goldstein, J.A. (April 2001). "Near vertical incidence skywave". The Vintage ... "Near vertical incidence skywave propagation: Elevation angles and optimum antenna height for horizontal dipole antennas" (PDF ...
Incidence rate (market research)
Incidence rate (IR) in market research is a measure for the rate of occurrence or the percentage of persons eligible to ... to calculate incidence in the contact of market research, the formula to be used is: Total number of qualified respondents ...
Cleft palate incidence by population
Kim, S., Kim, W.J., Oh, C., & Kim, J.C. (2002). Cleft lip and palate incidence among the live births in the Republic of Korea. ... Msamati, B.C., Igbibi, P.S., & Chisi, J.E. (2000). The incidence of cleft lip. Cleft palate, hydrocephalus, and spina bifida at ...
Grazing-incidence small-angle scattering
The scattered probe is either photons (grazing-incidence small-angle X-ray scattering, GISAXS) or neutrons (grazing-incidence ... By varying the incidence angle the various contributions can be identified. Metzger, T.H.; Kegel, I.; Paniago, R.; Lorke, A.; ... Grazing-incidence small-angle scattering (GISAS) is a scattering technique used to study nanostructured surfaces and thin films ... Levine, J. R.; Cohen, J. B.; Chung, Y. W.; Georgopoulos, P. (1989-12-01). "Grazing-incidence small-angle X-ray scattering: new ...
De Bruijn-Erdős theorem (incidence geometry)
In incidence geometry, the De Bruijn-Erdős theorem, originally published by Nicolaas Govert de Bruijn and Paul Erdős (1948), ...
Incidence and Symmetry in Design and Architecture
... is divided into two parts of roughly equal length, each divided into four ... Incidence and Symmetry in Design and Architecture is a book on symmetry, graph theory, and their applications in architecture, ... The first part, "Incidence", is primarily on graph theory. Its topics include the basic definitions of directed graphs and ... Past Winners of Book Awards [1979-2018] (PDF), Alpha Sigma Nu, retrieved 2021-01-17 "Incidence and Symmetry in Design and ...
The Diseases Population Index for lung cancer incidence
The DPI measures total incidence in relation to the population of a country or a region. The use of whole populations makes it ... The Diseases Population Index for Lung Cancer Incidence is a tool in epidemiology that enables health care professionals to ... The Diseases Population Index for Lung Cancer Incidence: How it is Calculated and Applied, Meadowford Science Journal. ... obtain an overview trends and cross-country comparisons with respect to lung cancer incidence. The Diseases Population Index ( ...
Populated places with highest incidence of multiple birth
Category:Populated places with highest incidence of multiple birth "Babies come in twos in this Kerala village". DNA. Retrieved ... Populated places with highest incidence of multiple birth). ...