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Type of incidence structure
if ( p , l ) ∈ I {\displaystyle (p,l)\in I} . It is a (finite) partial geometry if there are integers s , t , α ≥ 1 {\displaystyle s,t,\alpha \geq
Partial_geometry
Field of mathematics which studies incidence structures
polygons, partial geometries and near polygons. Very general incidence structures can be obtained by imposing "mild" conditions, such as: A partial linear
Incidence_geometry
Mathematics of smooth surfaces
In mathematics, the differential geometry of surfaces deals with the differential geometry of smooth surfaces with various additional structures, most
Differential geometry of surfaces
Differential_geometry_of_surfaces
Type of differential equation
theory, Lie algebras and differential geometry are used to understand the structure of linear and nonlinear partial differential equations for generating
Partial_differential_equation
Derivative of a function with multiple variables
variables are allowed to vary). Partial derivatives are used in vector calculus and differential geometry. The partial derivative of a function f ( x
Partial_derivative
In mathematics, straight line touching a plane curve without crossing it
In geometry, the tangent line (or simply tangent) to a plane curve at a given point is, intuitively, the straight line that "just touches" the curve at
Tangent
Indian American mathematician and statistician (1901-1987)
geometry and the theory of error-correcting codes in which the class of BCH codes is partly named after him. He also invented the notions of partial geometry
Raj_Chandra_Bose
Branch of geometry
In mathematics, contact geometry is the study of a geometric structure on smooth manifolds given by a hyperplane distribution in the tangent bundle satisfying
Contact_geometry
Geometric model of the physical space
In geometry, a three-dimensional space is a mathematical space in which three values (termed coordinates) are required to determine the position of a point
Three-dimensional_space
d points, and the incidence I is the natural inclusion. This is a partial geometry : p g ( q − d , q − q d , q − q d − d + 1 ) {\displaystyle pg(q-d,q-{\frac
Maximal_arc
Concept in graph theory
that there are no girth-5 Moore graphs except the ones listed above. Partial geometry Seidel adjacency matrix Two-graph Brouwer, Andries E; Haemers, Willem
Strongly_regular_graph
Property of points all lying on a single line
Look up collinearity or collinear in Wiktionary, the free dictionary. In geometry, collinearity of a set of points is the property of their lying on a single
Collinearity
Field of higher mathematics
equations, especially elliptic partial differential equations (PDEs), are used to establish new results in differential geometry and differential topology
Geometric_analysis
Upper bound on intersecting set families
ways of matching the remaining n − 2 {\displaystyle n-2} vertices. A partial geometry is a system of finitely many abstract points and lines, satisfying
Erdős–Ko–Rado_theorem
Manifold with Riemannian, complex and symplectic structure
In mathematics and especially differential geometry, a Kähler manifold is a manifold with three mutually compatible structures: a complex structure, a
Kähler_manifold
Mathematical model of the physical space
Euclidean geometry is a mathematical system attributed to Euclid, an ancient Greek mathematician, which he described in his textbook on geometry, Elements
Euclidean_geometry
Mathematical symbol used for partial derivatives and other concepts
symbol, usually to denote a partial derivative such as ∂ z / ∂ x {\displaystyle {\partial z}/{\partial x}} (read as "the partial derivative of z with respect
Partial_differential
Geometric system with a finite number of points
A finite geometry is any geometric system that has only a finite number of points. The familiar Euclidean geometry is not finite, because a Euclidean
Finite_geometry
American mathematician and Nobel Laureate (1928–2015)
fundamental contributions to game theory, real algebraic geometry, differential geometry, and partial differential equations. Nash and fellow game theorists
John_Forbes_Nash_Jr.
Geometrical concept
In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional
Cross_section_(geometry)
Generalization of Riemannian manifolds
In mathematics, particularly differential geometry, a Finsler manifold is a differentiable manifold M where a (possibly asymmetric) Minkowski norm F(x
Finsler_manifold
Partial differential equation with nonlinear terms
In mathematics and physics, a nonlinear partial differential equation is a partial differential equation with nonlinear terms. They describe many different
Nonlinear partial differential equation
Nonlinear_partial_differential_equation
Geometric model of the planar projection of the physical universe
Books I through IV and VI of Euclid's Elements dealt with two-dimensional geometry, developing such notions as similarity of shapes, the Pythagorean theorem
Euclidean_plane
Technique in statistics
Information geometry is an interdisciplinary field that applies the techniques of differential geometry to study probability theory and statistics. It
Information_geometry
Aspect of theoretical physics
Quantum geometry in condensed matter physics refers to gauge-invariant geometric properties of quantum states as functions of external parameters—most
Quantum geometry (condensed matter)
Quantum_geometry_(condensed_matter)
Mathematical notion of infinitesimal difference
various branches of mathematics such as calculus, differential geometry, algebraic geometry and algebraic topology. The term differential is used nonrigorously
Differential_(mathematics)
Research topic in computational geometry
Geometry processing is an area of research that uses concepts from applied mathematics, computer science and engineering to design efficient algorithms
Geometry_processing
Branch of mathematics
Differential geometry is a mathematical discipline that studies the geometry of smooth shapes and smooth spaces, otherwise known as smooth manifolds.
Differential_geometry
Partial differential equation
In differential geometry and geometric analysis, the Ricci flow (/ˈriːtʃi/ REE-chee, Italian: [ˈrittʃi]), sometimes also referred to as Hamilton's Ricci
Ricci_flow
Mathematical set with an ordering
order theory, a partial order on a set is an arrangement such that, for certain pairs of elements, one precedes the other. The word partial is used to indicate
Partially_ordered_set
Special coordinate system in differential geometry
the point p, and that the first partial derivatives of the metric at p vanish. A basic result of differential geometry states that normal coordinates at
Normal_coordinates
Mathematical description of spacetime used in relativity
Riemannian geometries with intrinsic curvature, those exposed by the model spaces in hyperbolic geometry (negative curvature) and the geometry modeled by
Minkowski_spacetime
Mathematical idealization of the surface of a body
{\partial f_{1}}{\partial u}}&{\dfrac {\partial f_{1}}{\partial v}}\\[6pt]{\dfrac {\partial f_{2}}{\partial u}}&{\dfrac {\partial f_{2}}{\partial v}}\\[6pt]{\dfrac
Surface_(mathematics)
In mathematics, specifically in differential geometry, isothermal coordinates on a Riemannian manifold are local coordinates where the metric is conformal
Isothermal_coordinates
Structure defining distance on a manifold
In the mathematical field of differential geometry, a metric tensor (or simply metric) is an additional structure on a manifold M (such as a surface) that
Metric_tensor
Tensor in differential geometry
In differential geometry, the Ricci curvature tensor, named after Gregorio Ricci-Curbastro, measures how a curved space locally differs from flat space
Ricci_curvature
Geometric system used in thermodynamics
Ruppeiner geometry is thermodynamic geometry (a type of information geometry) using the language of Riemannian geometry to study thermodynamics. George
Ruppeiner_geometry
Type of incidence structure
A partial linear space (also semilinear or near-linear space) is a basic incidence structure in the field of incidence geometry, that carries slightly
Partial_linear_space
Branch of computer science
Computational geometry is a branch of computer science devoted to the study of algorithms that can be stated in terms of geometry. Some purely geometrical
Computational_geometry
Branch of numerical analysis
Numerical methods for partial differential equations is the branch of numerical analysis that studies the numerical solution of partial differential equations
Numerical methods for partial differential equations
Numerical_methods_for_partial_differential_equations
Mathematical structure in differential geometry
In differential geometry, a field in mathematics, a Poisson manifold is a smooth manifold endowed with a Poisson structure. The notion of Poisson manifold
Poisson_manifold
Line or vector perpendicular to a curve or a surface
In geometry, a normal is an object (e.g. a line, ray, or vector) that is perpendicular to a given object. For example, the normal line to a plane curve
Normal_(geometry)
Chinese-American mathematician (born 1949)
elliptic partial differential equations and the real Monge–Ampère equation, to the setting of the complex Monge–Ampère equation. In differential geometry, Yau's
Shing-Tung_Yau
Inclusion of one mathematical structure in another, preserving properties of interest
{\displaystyle f(\partial X)=f(X)\cap \partial Y} , and f ( X ) {\displaystyle f(X)} is transverse to ∂ Y {\displaystyle \partial Y} in any point of
Embedding
Class of partial differential equations
In mathematics, an elliptic partial differential equation is a type of partial differential equation (PDE). In mathematical modeling, elliptic PDEs are
Elliptic partial differential equation
Elliptic_partial_differential_equation
Unique existence of the Levi-Civita connection
The fundamental theorem of Riemannian geometry states that on any Riemannian manifold (or pseudo-Riemannian manifold) there is a unique affine connection
Fundamental theorem of Riemannian geometry
Fundamental_theorem_of_Riemannian_geometry
Formulation of classical mechanics using momenta
phenomena. Hamiltonian mechanics has a close relationship with geometry (notably, symplectic geometry and Poisson structures) and serves as a link between classical
Hamiltonian_mechanics
Geometry textbook
edition in 1997 (ISBN 0-521-59014-0). The types of finite geometry covered by the book include partial linear spaces, linear spaces, affine spaces and affine
Combinatorics of Finite Geometries
Combinatorics_of_Finite_Geometries
Operation that cuts polytope vertices, creating a new facet in place of each vertex
In geometry, a truncation is an operation in any dimension that cuts polytope vertices, creating a new facet in place of each vertex. The term originates
Truncation_(geometry)
Type of incidence structure
with n = 4 and near 2n-gons with n = 2. They are also precisely the partial geometries pg(s,t,α) with α = 1. A generalized quadrangle is an incidence structure
Generalized_quadrangle
Product of the principal curvatures of a surface
In differential geometry, the Gaussian curvature or Gauss curvature (symbol Κ, named after Carl Friedrich Gauss) of a smooth surface in three-dimensional
Gaussian_curvature
Collins-Xie-Yau. The deformed Hermitian–Yang–Mills equation is a fully non-linear partial differential equation for a Hermitian metric on a line bundle over a compact
Deformed Hermitian Yang–Mills equation
Deformed_Hermitian_Yang–Mills_equation
Calculus of vector-valued functions
as partial differentiation and multiple integration. Vector calculus plays an important role in differential geometry and in the study of partial differential
Vector_calculus
Partial differential equations whose solutions are instantons
mathematics, and especially differential geometry and gauge theory, the Yang–Mills equations are a system of partial differential equations for a connection
Yang–Mills_equations
Relates 2 second-order elliptic operators on a manifold with the same principal symbol
in Partial Differential Equations, 30 (2005) 1611–1669. Bochner identity Bochner–Kodaira–Nakano identity Laplacian operators in differential geometry Griffiths
Weitzenböck_identity
Subbundle of the tangent bundle
In differential geometry, a discipline within mathematics, a distribution on a manifold M {\displaystyle M} is an assignment x ↦ Δ x ⊆ T x M {\displaystyle
Distribution (differential geometry)
Distribution_(differential_geometry)
Differentiable manifold with nondegenerate metric tensor
vectors can be classified as timelike, null, and spacelike. In differential geometry, a differentiable manifold is a space that is locally similar to a Euclidean
Pseudo-Riemannian_manifold
Method for solving the Laplace equation in four dimensions
In the mathematical study of partial differential equations, the Bateman transform is a method for solving the Laplace equation in four dimensions and
Bateman_transform
Study of complex manifolds and several complex variables
geometry is the study of geometric structures and constructions arising out of, or described by, the complex numbers. In particular, complex geometry
Complex_geometry
Expression that may be integrated over a region
was pioneered by Élie Cartan. It has many applications, especially in geometry, topology and physics. For instance, the expression f ( x ) d x {\displaystyle
Differential_form
Bijection of a set using properties of shapes in space
inverse exists. The study of geometry may be approached by the study of these transformations, such as in transformation geometry. Geometric transformations
Geometric_transformation
Differential variety
Krasil'shchik, I. S.; Lychagin, V. V.; Vinogradov, A. M. (1986). Geometry of jet spaces and nonlinear partial differential equations. Adv. Stud. Contemp. Math., N
Diffiety
Branch of mathematics
analysis, measure theory, harmonic analysis, and the theory of ordinary and partial differential equations. Mathematical analysis formally developed in the
Mathematical_analysis
In mathematics, and in particular gauge theory and complex geometry, a Hermitian Yang–Mills connection (or Hermite–Einstein connection) is a Chern connection
Hermitian Yang–Mills connection
Hermitian_Yang–Mills_connection
Constructing a strictly convex compact surface with specified Gaussian curvature
Mathematicians in Warsaw in 1982 for his work in global differential geometry and elliptic partial differential equations, particularly for solving such difficult
Minkowski_problem
Structure in combinatorial mathematics
Shimamoto (1952): group divisible; triangular; Latin square type; cyclic; partial geometry type; miscellaneous. The mathematical subject of block designs originated
Block_design
Study of discrete mathematical structures
in "continuous mathematics" such as real numbers, calculus or Euclidean geometry. Discrete objects can often be enumerated by integers; more formally, discrete
Discrete_mathematics
In mathematics, in particular in partial differential equations and differential geometry, an elliptic complex generalizes the notion of an elliptic operator
Elliptic_complex
Construct all metric spaces where lines resemble those on a sphere
foundational question in geometry. In one statement derived from the original, it was to find — up to an isomorphism — all geometries that have an axiomatic
Hilbert's_fourth_problem
Curve external to a family of curves in geometry
In geometry, an envelope of a planar family of curves is a curve that is tangent to each member of the family at some point, and these points of tangency
Envelope_(mathematics)
Type of functional equation (mathematics)
3 . {\displaystyle {\frac {\partial u}{\partial t}}=6u{\frac {\partial u}{\partial x}}-{\frac {\partial ^{3}u}{\partial x^{3}}}.} The general solution
Differential_equation
Canadian-American mathematician (1925–2020)
principle for second-order parabolic partial differential equations and the Newlander–Nirenberg theorem in complex geometry. He is regarded as a foundational
Louis_Nirenberg
Index of articles associated with the same name
occur in fields such as calculus, differential equations and Riemannian geometry. In the theory of differential equations, comparison theorems assert particular
Comparison_theorem
Elliptic differential operators in geometry mathematics
In differential geometry there are a number of second-order, linear, elliptic differential operators bearing the name Laplacian. This article provides
Laplace operators in differential geometry
Laplace_operators_in_differential_geometry
\left({\frac {\ \partial }{\ \partial t\ }},{\frac {\ \partial }{\ \partial x\ }},{\frac {\ \partial }{\ \partial y\ }},{\frac {\ \partial }{\ \partial z\ }}\right)~
Glossary of mathematical symbols
Glossary_of_mathematical_symbols
Physical theory with fields invariant under the action of local "gauge" Lie groups
↦ ( ∂ μ Φ ) ′ = G ∂ μ Φ {\displaystyle \ (\partial _{\mu }\Phi )\mapsto (\partial _{\mu }\Phi )'=G\partial _{\mu }\Phi } This characterizes the global
Gauge_theory
Spectral Geometry Phenomenon
In spectral geometry, the Rayleigh–Faber–Krahn inequality, named after its conjecturer, Lord Rayleigh, and the two individuals who independently proved
Rayleigh–Faber–Krahn inequality
Rayleigh–Faber–Krahn_inequality
Mathematical formula expressing equality
equations; thus the name analytic geometry. This point of view, outlined by Descartes, enriches and modifies the type of geometry conceived of by the ancient
Equation
Type of manifold in differential geometry
In differential geometry, a symplectic manifold is a smooth manifold, M {\displaystyle M} , equipped with a closed nondegenerate differential 2-form ω
Symplectic_manifold
Shape formed from points common to other shapes
In geometry, an intersection between geometric objects (seen as sets of points) is a point, line, or curve common to two or more objects (such as lines
Intersection_(geometry)
functions needed to specify a solution to a partial differential equation. Consider a second order partial differential equation in three variables, such
Constraint_counting
American mathematician (born 1938)
transcendental algebraic geometry and which also touches upon major and distant areas of differential geometry. He also worked on partial differential equations
Phillip_Griffiths
Generalization of the concept of parallel lines
v)={{{\partial {\vec {x}} \over \partial u}\times {\partial {\vec {x}} \over \partial v}} \over {|{{\partial {\vec {x}} \over \partial u}\times {\partial {\vec
Parallel_curve
Three raised to an integer power
Lint, J. H.; Brouwer, A. E. (1984), "Strongly regular graphs and partial geometries" (PDF), in Jackson, David M.; Vanstone, Scott A. (eds.), Enumeration
Power_of_three
Study of the properties of codes and their fitness
Discrete geometry Analysis Approximation theory Clifford analysis Clifford algebra Differential equations Ordinary differential equations Partial differential
Coding_theory
Norwegian international mathematics prize
award committee citing "the fundamental impact of her work on analysis, geometry and mathematical physics. The Bernt Michael Holmboe Memorial Prize was
Abel_Prize
Geometric shape
In geometry, a cone is a three-dimensional figure that tapers smoothly from a flat base (typically a circle) to a point not contained in the base, called
Cone
Theory in number theory
conjecture. Some of the results of combinatorial anabelian geometry provide alternative proofs of partial cases of the Grothendieck conjecture without using p-adic
Anabelian_geometry
Special product of manifolds
Warped geometries are useful in that separation of variables can be used when solving partial differential equations over them. Warped geometries acquire
Warped_product
Spacetime manifold
in: Sánchez, Miguel (2011). "Advances in Lorentzian Geometry: Proceedings of the Lorentzian Geometry Conference in Berlin". AMS/IP Studies in Advanced Mathematics
Globally_hyperbolic_spacetime
Application of mathematical methods to other fields
for mathematicians involved in the analysis of partial differential equations, differential geometry and the calculus of variations. Perhaps the most
Applied_mathematics
Metric on a smooth statistical manifold
In information geometry, the Fisher information metric is a particular Riemannian metric which can be defined on a smooth statistical manifold, i.e., a
Fisher_information_metric
Sequence of spaces in linear algebra
is called a partial flag. A partial flag can be obtained from a complete flag by deleting some of the subspaces. Conversely, any partial flag can be completed
Flag_(linear_algebra)
Mathematics award
Neves – "For outstanding contributions to several areas of differential geometry, including work on scalar curvature, geometric flows, and his solution
Breakthrough Prize in Mathematics
Breakthrough_Prize_in_Mathematics
Convex polyhedron with regular faces
In geometry, a Johnson solid, sometimes also known as a Johnson–Zalgaller solid, is a convex polyhedron whose faces are regular polygons and that is not
Johnson_solid
Mathematical approach to quantum physics
{\displaystyle \partial _{\mu }\partial _{\nu }E_{n}=\langle \partial _{\mu }n|\partial _{\nu }H|n\rangle +\langle n|\partial _{\mu }\partial _{\nu }H|n\rangle
Perturbation theory (quantum mechanics)
Perturbation_theory_(quantum_mechanics)
Class of undirected graphs defined from systems of sets
way, can be seen in Bose, R. C. (1963), "Strongly regular graphs, partial geometries and partially balanced designs", Pacific Journal of Mathematics, 13
Johnson_graph
No complete regular surface of constant negative gaussian curvature immerses in R3
In differential geometry, Hilbert's theorem (1901) states that there exists no complete regular surface S {\displaystyle S} of constant negative gaussian
Hilbert's theorem (differential geometry)
Hilbert's_theorem_(differential_geometry)
Mathematical treatise by Euclid
and a partial classification of the irrational numbers (with fewer than 13 classes). The final three books primarily discuss solid geometry. By introducing
Euclid's_Elements
Nonlinear second-order partial differential equation of special kind
descriptive geometry and the first form of the partial differential equation in 1784, and after André-Marie Ampère who introduced the nonlinear partial differential
Monge–Ampère_equation
PARTIAL GEOMETRY
PARTIAL GEOMETRY
Female
English
English Shakespeare character name derived from Roman Latin Porcius, PORTIA means "pig." A moon of Uranus was given this name.
Boy/Male
Hindu, Indian
Lord of Parti; One of the Name of Shri Satya Saibaba
Male
German
Variant spelling of German Parzifal, PARSIFAL means "pierced valley."
Male
Irish
Irish Gaelic legend name, thought by some to have been derived from Latin Bartholomaeus, PARTHALÃN means "son of Talmai." As the legend goes, this name belonged to an early invader of Ireland who was the first to arrive on those shores after the biblical flood.
Male
Hungarian
Hungarian form of Greek Bartholomaios, BARTAL means "son of Talmai."
Male
Spanish
Spanish form of Roman Latin Martialis, MARCIAL means "of/like Mars."
Boy/Male
Latin
Warring.
Surname or Lastname
English
English : variant of Hartell.
Boy/Male
Hindu
Lord of parti one of the name of Shri Satya Sai baba
Girl/Female
Hindu
Wisdom
Boy/Male
Australian, Christian, French, Latin, Swiss
Warring; Like Mars; Roman God Mars
Male
English
English form of Roman Latin Martialis, MARTIAL means "of/like Mars."
Girl/Female
Latin American Shakespearean
An offering. Portia was a heroine in Shakespeare's 'The Merchant of Venice'.
Boy/Male
Sikh
One on whom there is gods grace, Gods mercy
Surname or Lastname
English
English : from Old French poutrel ‘colt’ (Late Latin pultrellus), a metonymic occupational name for someone responsible for keeping horses, or a nickname for a frisky and high-spirited person. This surname is also found in Ireland, Mac Lysaght believing it to be a variant of Purcell.
Boy/Male
Muslim
Canvas
Boy/Male
Teutonic
Martial ruler.
Male
German
German form of French Percevel, PARZIFAL means "pierced valley."
Girl/Female
Hindu, Indian
Queen
Male
German
German form of French Percevel, PARZIVAL means "pierced valley."
PARTIAL GEOMETRY
PARTIAL GEOMETRY
Boy/Male
Indian, Telugu
Wealth of Heart
Girl/Female
Muslim
Pleiades. Cluster of stars.
Girl/Female
Hindu, Indian
Chief of the Goddesses
Girl/Female
American, Australian, British, Chinese, Christian, Dutch, English, Finnish, French, German, Hawaiian, Hebrew, Lebanese, Swedish
Combination of Mary and Ellen; Bitterness; Wished for Child; Star of the Sea; Modern
Girl/Female
American, British, English, French
Rejoicing; Delight; Great Pleasure; Jubilation; Happiness
Boy/Male
Hindu
Splendor of Indra
Surname or Lastname
English
English : topographic name from Middle English ald, old ‘old’ + aker ‘field’.
Girl/Female
American, Australian, British, English, Greek
A Flowering Vine; The Name of a Flowering Vine Used in Folk Medicine
Boy/Male
Arabic, Muslim
A Great Sahabi who Participated in the Battle of Badr
Surname or Lastname
English and Scottish
English and Scottish : variant of Suit.
PARTIAL GEOMETRY
PARTIAL GEOMETRY
PARTIAL GEOMETRY
PARTIAL GEOMETRY
PARTIAL GEOMETRY
v.
Given when departing; as, a parting shot; a parting salute.
a.
Serving as a partisan in a detached command; as, a partisan officer or corps.
n.
Inclined to favor one party in a cause, or one side of a question, more then the other; baised; not indifferent; as, a judge should not be partial.
v. t.
To subject to trial by a court-martial.
a.
Not partial; not favoring one more than another; treating all alike; unprejudiced; unbiased; disinterested; equitable; fair; just.
adv.
In part; not totally; as, partially true; the sun partially eclipsed.
a.
Of or pertaining to ancient Parthia, in Asia.
a.
Impartial.
pl.
of Court-martial
a.
Both renal and portal. See Portal.
n.
Of, pertaining to, or affecting, a part only; not general or universal; not total or entire; as, a partial eclipse of the moon.
n.
A native Parthia.
adv.
In a partial manner; with undue bias of mind; with unjust favor or dislike; as, to judge partially.
v.
Admitting of being parted; partible.
a.
Belonging to war, or to an army and navy; -- opposed to civil; as, martial law; a court-martial.
a.
Of, pertaining to, or suited for, war; military; as, martial music; a martial appearance.
n.
Pertaining to a subordinate portion; as, a compound umbel is made up of a several partial umbels; a leaflet is often supported by a partial petiole.
a.
Pertaining to, or containing, iron; chalybeate; as, martial preparations.
v.
Of or pertaining to a husband; as, marital rights, duties, authority.
n.
A patrial noun. Thus Romanus, a Roman, and Troas, a woman of Troy, are patrial nouns, or patrials.