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Vector bundle of cotangent spaces at every point in a manifold
especially differential geometry, the cotangent bundle of a smooth manifold is the vector bundle of all the cotangent spaces at every point in the manifold
Cotangent_bundle
Manifold upon which it is possible to perform calculus
is a scalar on the cotangent bundle. The total space of a cotangent bundle has the structure of a symplectic manifold. Cotangent vectors are sometimes
Differentiable_manifold
Tangent spaces of a manifold
{\displaystyle M} , and the dual bundle to T M {\displaystyle TM} is the cotangent bundle, which is the disjoint union of the cotangent spaces of M {\displaystyle
Tangent_bundle
Sets of coordinates on phase space which can be used to describe a physical system
generalized to a more abstract 20th century definition of coordinates on the cotangent bundle of a manifold (the mathematical notion of phase space). In classical
Canonical_coordinates
Type of manifold in differential geometry
configurations of a system is modeled as a manifold, and this manifold's cotangent bundle describes the phase space of the system. Symplectic manifolds arise
Symplectic_manifold
Isomorphism between the tangent and cotangent bundles of a manifold
isomorphism) is an isomorphism between the tangent bundle T M {\displaystyle \mathrm {T} M} and the cotangent bundle T ∗ M {\displaystyle \mathrm {T} ^{*}M} of
Musical_isomorphism
Branch of geometry
elements of M {\displaystyle M} can be identified with a quotient of the cotangent bundle T ∗ M {\displaystyle T^{*}M} (with the zero section 0 M {\displaystyle
Contact_geometry
Mathematical operation
1-forms on N {\displaystyle N} (the linear space of sections of the cotangent bundle) to the space of 1-forms on M {\displaystyle M} . This linear map is
Pullback (differential geometry)
Pullback_(differential_geometry)
Complex vector bundle on a complex manifold
tangent bundle of a complex manifold, and its dual, the holomorphic cotangent bundle. A holomorphic line bundle is a rank one holomorphic vector bundle. By
Holomorphic_vector_bundle
Continuous surjection satisfying a local triviality condition
vector bundles include the tangent bundle and cotangent bundle of a smooth manifold. From any vector bundle, one can construct the frame bundle of bases
Fiber_bundle
complex vector bundle T M ⊗ C {\displaystyle TM\otimes \mathbb {C} } , and their duals may be taken. The holomorphic cotangent bundle is the dual of the
Holomorphic_tangent_bundle
Concept in algebraic geometry
power of the cotangent bundle Ω {\displaystyle \Omega } on V {\displaystyle V} . Over the complex numbers, it is the determinant bundle of the holomorphic
Canonical_bundle
Dual space to the tangent space in differential geometry
differentiable manifold of twice the dimension, the cotangent bundle of the manifold. The tangent space and the cotangent space at a point are both real vector spaces
Cotangent_space
Vector bundle of rank 1
a line bundle, called the determinant line bundle of V {\displaystyle V} . This construction is in particular applied to the cotangent bundle of a smooth
Line_bundle
{CP} ^{n}} . For example, consider the cotangent bundle of S 1 {\displaystyle S^{1}} . This is a fiber bundle with fiber R {\displaystyle \mathbb {R}
Atiyah–Hirzebruch spectral sequence
Atiyah–Hirzebruch_spectral_sequence
Right inverse of a fiber bundle map
section of the tangent bundle of M {\displaystyle M} . Likewise, a 1-form on M {\displaystyle M} is a section of the cotangent bundle. Sections, particularly
Section_(fiber_bundle)
Structure defining distance on a manifold
Sg defines a section of the bundle Hom(TM, T*M) of vector bundle isomorphisms of the tangent bundle to the cotangent bundle. This section has the same
Metric_tensor
Canonical differential form
mathematics, the tautological one-form is a special 1-form defined on the cotangent bundle T ∗ Q {\displaystyle T^{*}Q} of a manifold Q . {\displaystyle Q.} In
Tautological_one-form
Assignment of a tensor continuously varying across a region of space
physics) and V ∗ = T ∗ M {\displaystyle V^{*}=T^{*}M} is its dual bundle, the cotangent space (whose sections are called 1 forms, or covariant vector fields
Tensor_field
Typically linear operator defined in terms of differentiation of functions
intrinsically defined (i.e., it is a function on the cotangent bundle). More generally, let E and F be vector bundles over a manifold X. Then the linear operator
Differential_operator
Concept in mathematics
mathematics, the tensor bundle of a manifold is the direct sum of all tensor products of the tangent bundle and the cotangent bundle of that manifold. To
Tensor_bundle
Expression that may be integrated over a region
smooth section of the k {\displaystyle k} th exterior power of the cotangent bundle of M {\displaystyle M} . The set of all differential k {\displaystyle
Differential_form
Space of all possible states that a system can take
space. More abstractly, in classical mechanics phase space is the cotangent bundle of configuration space, and in this interpretation the procedure above
Phase_space
Exterior algebraic map taking tensors from p forms to n-p forms
means it can play a role in differential geometry when applied to the cotangent bundle of a pseudo-Riemannian manifold, and hence to differential k-forms
Hodge_star_operator
Smooth manifold with an inner product on each tangent space
Riemannian metric induces an isomorphism of bundles between the tangent bundle and the cotangent bundle. Namely, if g {\displaystyle g} is a Riemannian
Riemannian_manifold
Differential form of degree one or section of a cotangent bundle
of the cotangent bundle. Equivalently, a one-form on a manifold M {\displaystyle M} is a smooth mapping of the total space of the tangent bundle of M {\displaystyle
One-form
{E}}))} is the algebraic vector bundle corresponding to E.[citation needed]) See also: Hitchin fibration (the cotangent stack of Bun G ( X ) {\displaystyle
Cotangent_sheaf
Technique for solving hyperbolic partial differential equations
multi-index. The principal symbol of P, denoted σP, is the function on the cotangent bundle T∗X defined in these local coordinates by σ P ( x , ξ ) = ∑ | α | =
Method_of_characteristics
Generalization of Riemannian manifolds
the geodesic flow on the tangent bundle. Taking the convex dual, it defines a cogeodesic flow on the cotangent bundle. A version of the Huygens–Fresnel
Finsler_manifold
Elliptic differential operators in geometry mathematics
(Abstractly, it is a second order operator on each exterior power of the cotangent bundle.) This operator is defined on any manifold equipped with a Riemannian-
Laplace operators in differential geometry
Laplace_operators_in_differential_geometry
Techniques in mathematical analysis
encoded by the wave front set of a distribution, a conic subset of the cotangent bundle with the zero section removed. Microlocal analysis was developed from
Microlocal_analysis
Prove or disprove: Any closed exact Lagrangian submanifold of the cotangent bundle of a closed manifold is Hamiltonian isotopic to the zero section. More
Nearby_Lagrangian_conjecture
Mathematical result in differential geometry
coordinate charts, and is a function on the cotangent bundle of X, homogeneous of degree n on each cotangent space. (In general, differential operators
Atiyah–Singer_index_theorem
Riemann surface is a section of the symmetric square of the holomorphic cotangent bundle. If the section is holomorphic, then the quadratic differential is
Quadratic_differential
Concept in mathematics
The conormal bundle is defined as the dual bundle to the normal bundle. It can be realised naturally as a sub-bundle of the cotangent bundle (of M {\displaystyle
Normal_bundle
Construct in algebraic geometry
In mathematics, the cotangent complex is a common generalisation of the cotangent sheaf, normal bundle and virtual tangent bundle of a map of geometric
Cotangent_complex
{\displaystyle TM} , T ∗ M {\displaystyle T^{*}M} denote the tangent bundle and cotangent bundle, respectively, of the smooth manifold M {\displaystyle M} . T
Exterior_calculus_identities
Topics referred to by the same term
Musical isomorphism, the canonical isomorphism between the tangent and cotangent bundles Lists of musicals Music (disambiguation) Musica (disambiguation) Musicality
Musical
Standard representation of a mathematical object
a cotangent bundle. That bundle can always be endowed with a certain differential form, called the canonical one-form. This form gives the cotangent bundle
Canonical_form
Module over a sheaf of differential operators
symbols, which in the good case is a Lagrangian submanifold of the cotangent bundle of maximal dimension (involutive systems). The techniques were taken
D-module
Standard or referential form
set partition Canonical one-form, a special 1-form defined on the cotangent bundle T*M of a manifold M Canonical symplectic form, the exterior derivative
Canonical
Algebraic structure in linear algebra
O. The cotangent bundle of a differentiable manifold consists, at every point of the manifold, of the dual of the tangent space, the cotangent space.
Vector_space
Generalization of an ordered basis of a vector space
on the tangent bundle of the coordinates) to the corresponding momenta of the system (given by vector fields in the cotangent bundle; i.e. given by forms)
Moving_frame
Fiber bundle Principal bundle Frame bundle Hopf bundle Associated bundle Vector bundle Tangent bundle Cotangent bundle Line bundle Jet bundle Sheaf (mathematics)
List of differential geometry topics
List_of_differential_geometry_topics
Mathematical structure in differential geometry
-dimensional smooth manifold Q {\displaystyle Q} , and the phase space is its cotangent bundle T ∗ Q {\displaystyle T^{*}Q} (a manifold of dimension 2 n {\displaystyle
Poisson_manifold
Defines a notion of parallel transport on a bundle
the vector bundle indices of E = T M {\displaystyle E=TM} in the curvature tensor R {\displaystyle R} may be swapped with the cotangent bundle indices coming
Connection_(vector_bundle)
Generalization of vector bundles
_{X/k}^{1}} ) is a vector bundle over X {\displaystyle X} , called the cotangent bundle of X {\displaystyle X} . Then the tangent bundle T X {\displaystyle TX}
Coherent_sheaf
Correspondsnce between Higgs bundles and fundamental group representations
holomorphic Higgs line bundles, is simply the cotangent bundle to the Jacobian, the moduli space of holomorphic line bundles. The nonabelian Hodge correspondence
Nonabelian Hodge correspondence
Nonabelian_Hodge_correspondence
Field of algebraic geometry
canonical bundle of a smooth variety X of dimension n means the line bundle of n-forms KX = Ωn, which is the nth exterior power of the cotangent bundle of X
Birational_geometry
Mathematical transformation
{\displaystyle H(p,q)} as a function of the coordinates (p, q) of the cotangent bundle T ∗ M {\displaystyle T^{*}{\mathcal {M}}} ; the inner product used
Legendre_transformation
Coordinate transformation that preserves the form of Hamilton's equations
covers the subject with advanced mathematical prerequisites such as cotangent bundles, exterior derivatives and symplectic manifolds. Boldface variables
Canonical_transformation
Type of Riemannian manifold
non-trivial example discovered is the Eguchi–Hanson metric on the cotangent bundle T ∗ S 2 {\displaystyle T^{*}S^{2}} of the two-sphere. It was also independently
Hyperkähler_manifold
Smooth manifold
the complexified cotangent bundle (which is canonically isomorphic to the bundle of dual spaces of the complexified tangent bundle). The almost complex
Almost_complex_manifold
Tool in symplectic geometry
action. Another classical case occurs when M {\displaystyle M} is the cotangent bundle of R 3 {\displaystyle \mathbb {R} ^{3}} and G {\displaystyle G} is
Momentum_map
Statement relating differentiable symmetries to conserved quantities
{\displaystyle \mathbb {R} } , representing time and the target space is the cotangent bundle of space of generalized positions. In field theory, M is the spacetime
Noether's_theorem
Mapping between categories
∗ M ) {\displaystyle \Gamma {\mathord {\left(T^{*}M\right)}}} of a cotangent bundle T ∗ M {\displaystyle T^{*}M} —as "covariant". This terminology originates
Functor
Bundle of linear subspaces of the tangent bundle
{\displaystyle TM} is its tangent bundle. T ∗ M {\displaystyle T^{*}M} is its cotangent bundle. A contact element of order k at p ∈ M {\displaystyle p\in M} is a
Contact_bundle
Mathematics concept
vertical bundle and the horizontal bundle are vector bundles associated to a smooth fiber bundle. More precisely, given a smooth fiber bundle π : E → B
Vertical and horizontal bundles
Vertical_and_horizontal_bundles
Symplectic topology tool
the product also exists for non-exact symplectomorphisms. For the cotangent bundle of a manifold M, the Floer homology depends on the choice of Hamiltonian
Floer_homology
Field theory of a point particle confined to move on a fixed manifold
{\displaystyle \Phi } , the same can be done for M {\displaystyle M} . The cotangent bundle T ∗ Φ {\displaystyle T^{*}\Phi } , supplied with coordinate charts
Sigma_model
Construct in differenital geometry
{\displaystyle dx^{i}} is the standard one-form coordinate bases on the cotangent bundle T*M. Inserting into the above, and expanding, one obtains (using the
Metric_connection
L2 is the canonical bundle, here also equivalently the holomorphic cotangent bundle. In terms of algebraic geometry, the equivalent definition is as an
Theta_characteristic
Straight path on a curved surface or a Riemannian manifold
manifold, the geodesic flow is identified with a Hamiltonian flow on the cotangent bundle. The Hamiltonian is then given by the inverse of the (pseudo-)Riemannian
Geodesic
Calculus of vector-valued functions
M}T_{p}M} Similarly, a covector field is a map from a manifold to its cotangent bundle (defined analogously to the above expression but replacing T p M {\displaystyle
Vector_calculus
counter-example to the statement: Any closed exact Lagrangian submanifold of the cotangent bundle of a closed manifold is Hamiltonian isotopic to the zero section. Mazur's
List of unsolved problems in mathematics
List_of_unsolved_problems_in_mathematics
Mathematical operation on vector bundles
manifold is its cotangent bundle. If the base space X {\displaystyle X} is paracompact and Hausdorff then a real, finite-rank vector bundle E {\displaystyle
Dual_bundle
mathematics, a microdifferential operator is a linear operator on a cotangent bundle (phase space) that generalizes a differential operator and appears
Microdifferential_operator
T^{*}M\to \mathbb {R} } , where T ∗ M {\displaystyle T^{*}M} is the cotangent bundle. The problem is to find solutions of type u ( q ) : M → R {\displaystyle
Monge_equation
Vector behavior under coordinate changes
indices, because it has parts that live in the tangent bundle as well as the cotangent bundle. A contravariant vector is one which transforms like d x
Covariance and contravariance of vectors
Covariance_and_contravariance_of_vectors
Possibility of a consistent definition of "clockwise" in a mathematical space
{\displaystyle {\bigwedge }^{\!n}T^{*}M} , the top exterior power of the cotangent bundle of M {\displaystyle M} . For example, R n {\displaystyle \mathbb {R}
Orientability
smooth section of the tensor product bundle of E with Λp(T ∗M), the p-th exterior power of the cotangent bundle of M. The space of such forms is denoted
Vector-valued differential form
Vector-valued_differential_form
microlocal The notion microlocal refers to a consideration on the cotangent bundle to a space as opposed to that on the space itself. Explicitly, it amounts
Glossary of real and complex analysis
Glossary_of_real_and_complex_analysis
{\mathfrak {g}}} is a Lie algebra, T ∗ M {\displaystyle T^{*}M} is the cotangent bundle of M {\displaystyle M} and ∧ k {\displaystyle \wedge ^{k}} denotes
Lie algebra–valued differential form
Lie_algebra–valued_differential_form
Generalization of affine connections
{g}}/{\mathfrak {p}}} . Thus the bundle associated to p {\displaystyle {\mathfrak {p}}} ⊥ is isomorphic to the cotangent bundle. Parabolic geometries include
Cartan_connection
Type of singularity analysis
general situation, the wave front set is a closed conical subset of the cotangent bundle T*(X), since the ξ variable naturally localizes to a covector rather
Wave_front_set
Connection on a spinor bundle
e^{a}=e_{\mu }^{\;\,a}dx^{\mu }} for the orthonormal coordinates on the cotangent bundle, the affine spin connection one-form is ω a b = ω μ a b d x μ {\displaystyle
Spin_connection
Specification of a derivative along a tangent vector of a manifold
smooth sections α1, α2, ..., αq of the cotangent bundle T∗M and of sections X1, X2, ..., Xp of the tangent bundle TM, written T(α1, α2, ..., X1, X2, ..
Covariant_derivative
Symmetry of physical laws under a charge-conjugation transformation
Riemannian and pseudo-Riemannian manifolds, one has a tangent bundle, a cotangent bundle and a metric that ties the two together. There are several interesting
C-symmetry
submanifold. Connected sum Connection Cotangent bundle – the vector bundle of cotangent spaces on a manifold. Cotangent space Covering Cusp CW-complex Dehn
Glossary of differential geometry and topology
Glossary_of_differential_geometry_and_topology
Property of a differential manifold that includes complex structures
M. A section of T is a vector field on M. The cotangent bundle of M, denoted T*, is the vector bundle over M whose sections are one-forms on M. In complex
Generalized_complex_structure
Concept in algebraic geometry
{I}}^{2}\to i^{*}\Omega _{X}\to \Omega _{Y}\to 0,} where Ω denotes a cotangent bundle. The determinant of this exact sequence is a natural isomorphism ω
Adjunction_formula
Concept in mathematics
tangent bundle TM of M forms a Banach bundle with respect to the usual projection, but it may not be trivial. Similarly, the cotangent bundle T*M, whose
Banach_bundle
Formulation of classical mechanics using momenta
of the Lagrangian produces a function on the dual bundle over time whose fiber at t is the cotangent space T∗Et, which comes equipped with a natural symplectic
Hamiltonian_mechanics
Type of integrable system
the system is a partial compactification of the cotangent bundle to the moduli space of stable G-bundles for some reductive group G, on some compact algebraic
Hitchin_system
Theorem in algebraic geometry
the canonical line bundle K X {\displaystyle K_{X}} to be the bundle of n-forms on X, the top exterior power of the cotangent bundle: K X = Ω X n = ⋀ n
Serre_duality
Clifford bundle of M is the Clifford bundle generated by the tangent bundle TM. One can also build a Clifford bundle out of the cotangent bundle T*M. The
Clifford_bundle
Operation on differential forms
{\displaystyle df} is a section of the cotangent bundle, that gives a local linear approximation to f {\displaystyle f} in the cotangent space at each point. A vector
Exterior_derivative
{x}}^{a}+{\dot {x}}^{a}{\dot {p}}_{a}=0.} Thus, the geodesic flow splits the cotangent bundle into level sets of constant energy M E = { ( x , p ) ∈ T ∗ M : H (
Geodesics as Hamiltonian flows
Geodesics_as_Hamiltonian_flows
Concept in algebraic geometry
the nth exterior power of the cotangent bundle of X. For an integer d, the dth tensor power of KX is again a line bundle. For d ≥ 0, the vector space of
Kodaira_dimension
The model case of a Hamiltonian is the geodesic Hamiltonian on the cotangent bundle of a compact Riemannian manifold. The quantization of the geodesic
Quantum_ergodicity
\cdot ])} into a Gerstenhaber algebra. Since the tangent bundle is dual to the cotangent bundle, multivector fields of degree k {\displaystyle k} are dual
Polyvector_field
Mathematical construct of fiber bundles
T ∗ M {\displaystyle g\colon TM\to T^{*}M} from the tangent bundle to the cotangent bundle, which is a solder form. In Hamiltonian mechanics, the solder
Solder_form
Math/physics concept
)e_{k}.} If θ = {θi | i = 1, 2, ..., n}, denotes the dual basis of the cotangent bundle, such that θi(ej) = δij (the Kronecker delta), then the connection
Connection_form
Mathematical concept
structures, the tangent bundle of an n-manifold, considered as a 2n-manifold, has an almost complex structure, and the cotangent bundle of an n-manifold, considered
Symplectic_vector_space
Description of large objects' physics
which uses coordinates and corresponding momenta in phase space (the cotangent bundle of the configuration space). Both formulations are equivalent by a
Classical_mechanics
Differential form
dx^{i}} are 1-forms that form a positively oriented basis for the cotangent bundle of the manifold. Here, | g | {\displaystyle |g|} is the absolute value
Volume_form
Space of possible positions for all objects in a physical system
The set of positions and momenta of a mechanical system forms the cotangent bundle T ∗ Q {\displaystyle T^{*}Q} of the configuration manifold Q {\displaystyle
Configuration_space_(physics)
Concept in algebraic geometry
a vector bundle of rank equal to the dimension of X near each point. In that case, Ω1 is called the cotangent bundle of X. The tangent bundle of a smooth
Smooth_scheme
M} is a system of one-forms or covectors which form a basis of the cotangent bundle at every point. In the exterior algebra of M {\displaystyle M} , one
Coframe
French mathematician (born 1948)
Laplacian is a hypoelliptic operator acting on the total space of the cotangent bundle of a Riemannian manifold. This operator interpolates formally between
Jean-Michel_Bismut
COTANGENT BUNDLE
COTANGENT BUNDLE
Surname or Lastname
English
English : from Middle English pa(c)k ‘pack’, ‘bundle’ + the Anglo-Norman French pejorative suffix -ard, hence a derogatory occupational name for a peddler.English : pejorative derivative of the Middle English personal name Pack.English : from a Norman personal name, Pachard, Baghard, composed of the Germanic elements pac, bag ‘fight’ + hard ‘hardy’, ‘brave’, ‘strong’.Probably an Americanized spelling of German Packert, Päckert, from Germanic personal names formed with a word meaning ‘battle’ or ‘to fight’; or a variant of Packer 2 (with excrescent -t).
Surname or Lastname
English (southwest)
English (southwest) : occupational name for a digger of ditches or a builder of dikes, or a topographic name for someone who lived by a ditch or dike, from an agent derivative of Middle English diche, dike (see Dyke).English : regional name from an area of East Sussex, near Hellingly, called ‘the Dicker’ (hence also the hamlets of Upper and Lower Dicker), from Middle English dyker unit of ten (Latin decuria, from decem ‘ten’); the reason for the place being so named is not clear. It has been suggested that the reference is to a bundle of iron rods, in which sense dicras appears in Domesday Book. Such a bundle could have been the rent for property in this iron-working area. Surname forms such as atte dicker occur in the surrounding region in the 13th and 14th centuries.German and Jewish (Ashkenazic) : variant of Dick 2, from an inflected form.North German : variant of Low German Dieker, a topographic or an occupational name for someone who lived or worked at a dike (see Dieck).Americanized spelling of French Decaire.
Boy/Male
American, Arabic, Australian, French, Hebrew, Latin
Eloquent or Bundle of Grain; First Son; Long Living
Boy/Male
Indian
Bundle of Joy
Surname or Lastname
English (Kent)
English (Kent) : from Middle English shefe ‘sheaf’, ‘bundle’ (Old English scēaf), hence possibly a metonymic occupational name for a harvest worker, or for someone who paid or collected tithes, from the same term in the sense ‘tenth’ (or other proportion of produce paid as a tithe).Jacob Sheafe (d. 1658) was one of the founds of Boston MA. He is buried in the King’s Chapel Burying Ground there.
Surname or Lastname
English
English : from Old French balon ‘bundle’, ‘roll’, ‘pack’, hence a nickname for a small, rotund man or possibly a metonymic occupational name for a carrier of goods and merchandise.French (Bâlon) : generally regarded as a habitational name from Baalons in the Ardennes, it may however simply be from balon ‘ball’, ‘roll’ (see 1) or a derivative of Bal.
Surname or Lastname
English
English : occupational nickname for a peddler, from Old French trousse ‘bundle’, ‘pack’.Ukrainian : nickname from trus ‘rabbit’, typically applied to someone thought to be a coward.
COTANGENT BUNDLE
COTANGENT BUNDLE
Boy/Male
Indian, Punjabi, Sikh
Aware; Brave
Girl/Female
Muslim/Islamic
She was a student of Hadith
Boy/Male
African, American, British, Christian, English, Jamaican
Protector; Great One
Boy/Male
American, Australian, British, Chinese, Christian, English
Hugh's Son; Son of the Hooded Man
Boy/Male
Hindu
Boy/Male
Australian, French, German, Latin, Portuguese
Brave; Brave as a Bear
Girl/Female
Assamese, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Sindhi, Telugu
Attractive; Wet
Girl/Female
Greek American Scottish Scandinavian
Untamed.
Boy/Male
Muslim
Name of allahs Angel, Name of An Angel michael
Boy/Male
French
Glorious warrior.
COTANGENT BUNDLE
COTANGENT BUNDLE
COTANGENT BUNDLE
COTANGENT BUNDLE
COTANGENT BUNDLE
adv.
In the direction of a tangent.
n.
That which falls to one in a division or apportionment among a number; a suitable share; proportion; esp., a quota of troops.
a.
Of or pertaining to a tangent; in the direction of a tangent.
n.
A line that touches a curve in two points.
n.
The tangent of half an arc.
adv.
In a contingent manner; without design or foresight; accidentally.
n.
An event which may or may not happen; that which is unforeseen, undetermined, or dependent on something future; a contingency.
n.
The state of being contingent; fortuitousness.
a.
Dependent on events; contingent.
a.
Possessing the property of touching at two points.
a.
Dependent on that which is undetermined or unknown; as, the success of his undertaking is contingent upon events which he can not control.
a.
meeting a curve or surface at a point and having at that point the same direction as the curve or surface; -- said of a straight line, curve, or surface; as, a line tangent to a curve; a curve tangent to a surface; tangent surfaces.
a.
Dependent for effect on something that may or may not occur; as, a contingent estate.
a.
Touching; touching at a single point
v. t.
A tangent line curve, or surface; specifically, that portion of the straight line tangent to a curve that is between the point of tangency and a given line, the given line being, for example, the axis of abscissas, or a radius of a circle produced. See Trigonometrical function, under Function.
n.
The tangent of the complement of an arc or angle. See Illust. of Functions.
n.
A logarithm of the cosine or cotangent.
a.
Constituting an object of expectation; contingent.
a.
Possible, or liable, but not certain, to occur; incidental; casual.
v. t.
To be tangent to. See Tangent, a.