Topics in mathematics
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- C*-algebraTopological complex vector space
- Calabi conjectureRiemannian metrics, complex manifolds
- Calculus of moving surfacesExtension of the classical tensor calculus
- Calculus on Euclidean spaceCalculus of functions generalization
- Calculus ratiocinatorTheoretical universal logical calculation framework
- Calibrated probability assessmentSubjective probabilities assigned in a way that historically represents their uncertainty
- Calibration (statistics)Ambiguous term in statistics
- Calkin–Wilf treeBinary tree of rational numbers
- Cameron Leigh StewartCameron Leigh Stewart FRSC is a Canadian mathematician. He is a professor of pure mathemat
- Cameron–Martin theoremTheorem describing translation of Gaussian measures on Hilbert spaces
- Cancelling outMathematical process used for removing subexpressions from a mathematical expression
- Cannon–Thurston mapIn mathematics, a Cannon–Thurston map is any of a number of continuous group-equivariant m
- Canonical basisIn mathematics, a canonical basis is a basis of an algebraic structure that is canonical i
- Canonical bundleConcept in algebraic geometry
- Canonical correlationWay of inferring information from cross-covariance matrices
- Canonical formStandard representation of a mathematical object
- Canonical normal formStandard forms of Boolean functions
- Canonical singularitySingularities of algebraic varieties
- Cantor distributionProbability distribution
- Cantor functionContinuous function that is not absolutely continuous
- Cantor's isomorphism theoremUniqueness of countable dense linear orders
- Cantor's paradoxParadox in set theory
- Cap productMethod in algebraic topology
- Carathéodory's theorem (conformal mapping)Theorem in complex analysis
- Carathéodory's theorem (convex hull)Point in the convex hull of a set P in Rd, is the convex combination of d+1 points in P
- Cardinal characteristic of the continuumSet theory concept
- Carl Benjamin BoyerAmerican mathematician and historian (1906–1976)
- Carl R. de BoorAmerican mathematician (born 1937)
- Carl RungeGerman mathematician and physicist
- Carleman linearizationLinearization technique for nonlinear differential systems
- Carleman matrixIn mathematics, a Carleman matrix is a matrix used to convert function composition into ma
- Carleson's theorem1966 result in mathematical analysis
- Carlos Castillo-ChavezMexican-American mathematician (born 1952)
- Carlson symmetric formIn mathematics, the Carlson symmetric forms of elliptic integrals are a small canonical se
- Carlson's theoremUniqueness theorem in complex analysis
- Carmichael numberComposite number in number theory
- Carry (arithmetic)Digit transferred from one column to another
- Cartan connectionGeneralization of affine connections
- Cartan decompositionGeneralized matrix decomposition for Lie groups and Lie algebras
- Cartan matrixMatrices named after Élie Cartan
- Cartan subalgebraNilpotent subalgebra of a Lie algebra
- Cartan subgroupIn the theory of algebraic groups, a Cartan subgroup of a connected linear algebraic group
- Cartan–Hadamard conjectureIn mathematics, the Cartan–Hadamard conjecture is a fundamental problem in Riemannian geom
- Cartan–Hadamard theoremOn the structure of complete Riemannian manifolds of non-positive sectional curvature
- Cartan's criterionIn mathematics, Cartan's criterion gives conditions for a Lie algebra in characteristic 0
- Cartan's equivalence methodDifferential geometry technique
- Cartan's theorems A and BCoherent sheaf on a Stein manifold is spanned by sections & lacks higher cohomology
- Cartesian tensorRepresentation of a tensor in Euclidean space
- CartogramMap distorting size to show another value
- Casimir elementDistinguished element of a Lie algebra's center
- Casorati–Weierstrass theoremMathematical theorem
- Cassini ovalIn geometry, a Cassini oval is a quartic plane curve defined as the locus of points in the
- Catalan's conjectureTheorem about consecutive perfect powers
- Catastrophe theoryArea of mathematics
- Categorical logicBranch of logic using category theory to study mathematical structures
- Category OIn the representation theory of semisimple Lie algebras, Category O (or category ) is a ca
- Category of groupsCategory whose objects are groups and whose morphisms are group homomorphisms
- Category of relationsCategory whose objects are sets and whose morphisms are binary relations
- Category of representationsCategory whose objects are representations and whose morphisms are equivariant maps
- Category of setsCategory whose objects are sets and whose morphisms are functions
- CatenoidSurface of revolution of a catenary
- Caterina ConsaniCaterina (Katia) Consani (born 1963) is an Italian mathematician specializing in arithmeti
- Cauchy boundary conditionBoundary-value problem in differential equations
- Cauchy spaceConcept in general topology and analysis
- Cauchy-continuous functionIn mathematics, a Cauchy-continuous, or Cauchy-regular, function is a special kind of cont
- Cauchy–Euler equationOrdinary differential equation
- Cauchy–Kovalevskaya theoremExistence and uniqueness theorem for certain partial differential equations
- Cauchy's convergence testCriterion for infinite series
- Cauchy's theorem (group theory)Existence of group elements of prime order
- Caustic (mathematics)In differential geometry, a caustic is the envelope of rays either reflected or refracted
- Cavalerius (crater)Cavalerius is a prominent lunar impact crater that lies on the western edge of the Oceanus
- Cavalieri's principleGeometrical concept relating area and volume
- Cavity perturbation theoryIn mathematics and electronics, cavity perturbation theory describes methods for derivatio
- Cayley tableMathematical tool in group theory
- Cayley transformMathematical operation
- Cayley–Dickson constructionMethod for producing composition algebras
- Cayley–Hamilton theoremSquare matrices satisfy their characteristic equation
- Cayley–Klein metricMathematical metric in geometry
- Cayley's theoremRepresentation of groups by permutations
- Céa's lemmaLemma in numerical analysis of differential equations
- Čech cohomologyTheory in algebraic topology
- Ceiling effect (statistics)Scale attenuation effect in statistics
- Center (category theory)In category theory, a branch of mathematics, the center (or Drinfeld center, after Soviet-
- Center (group theory)Set of elements that commute with every element of a group
- Center for Undergraduate Research in MathematicsThe Center for Undergraduate Research in Mathematics (CURM) is an undergraduate mathematic
- Center squeezeSpoiler effect in RCV and two-round systems
- Central angleAngle between two radii of a circle
- Central KurdishVariety of Kurdish spoken in Iran and Iraq
- Central seriesNormal series of subgroups which indicate almost-commutativity
- CentralityDegree of connectedness within a graph
- Centralizer and normalizerSpecial types of subgroups encountered in group theory
- Centrosymmetric matrixIn mathematics, especially in linear algebra and matrix theory, a centrosymmetric matrix i
- Cesàro summationModified summation method applicable to some divergent series
- Ceva's theoremTheorem about triangles
- CevianIn geometry, a cevian is a line segment which joins a vertex of a triangle to a point on t
- Chain (algebraic topology)Formal linear combination in a cell complex
- Chain complexTool in homological algebra
- Chaitin's constantHalting probability of a random computer program
- Chambolle–Pock algorithmPrimal-Dual algorithm optimization for convex problems
- Chan–Karolyi–Longstaff–Sanders processStochastic process with applications to finance
- Change of basisCoordinate change in linear algebra
- Change of variablesMathematical technique for simplification
- Change of variables (PDE)Technique in partial differential evaluation
- Channel surfaceSurface formed from spheres centered along a curve
- Character (mathematics)Mathematical function
- Character groupIn mathematics, a character group is the group of representations of an abelian group by c
- Character sumMathematical construct
- Character tableTwo-dimensional group theory table
- Character theoryConcept in mathematical group theory
- Characteristic (algebra)Smallest integer n for which n equals 0 in a ring
- Characteristic classAssociation of cohomology classes to principal bundles
- Characteristic polynomialPolynomial whose roots are the eigenvalues of a matrix
- Characterization (mathematics)Term in mathematics
- Characterizations of the exponential functionMathematical concept
- Charles Epstein (mathematician)Charles L. Epstein is a Senior Research Scientist in the Center for Computational Mathemat
- Charles F. Van LoanCharles Francis Van Loan (born September 20, 1947) is an emeritus professor of computer sc
- Charles FeffermanAmerican mathematician (b. 1949)
- Charles Sanders Peirce bibliographyThe following list consolidates numerous references to the writings of Charles Sanders Pei
- Chauvenet PrizeThe Chauvenet Prize is an annual award given by the Mathematical Association of America in
- Chebotarev density theoremDescribes statistically the splitting of primes in a given Galois extension of Q
- Chebyshev distanceMathematical metric
- Chebyshev functionMathematical function
- Chebyshev nodesRoots of the Chebyshev polynomials of the first kind
- Chebyshev polynomialsPair of polynomial sequences
- Chebyshev rational functionsIn mathematics, the Chebyshev rational functions are a sequence of functions which are bot
- Cheeger constantConstant in Riemannian geometry
- Cheeger constant (graph theory)Measure of whether or not a graph has a "bottleneck"
- Chen's theoremEvery large even number is either sum of a prime and a semi-prime or two primes
- Chern classCharacteristic classes of vector bundles
- Chern–Simons formSecondary characteristic classes of 3-manifolds
- Chern–Weil homomorphismMathematical theory
- Chevalley–Shephard–Todd theoremMathematical theorem
- Chi distributionProbability distribution
- Chinese mathematicsMathematics used in Ancient China
- Chinese multiplication tableTable of multiplication up to 9 times 9
- Chiral knotKnot that is not equivalent to its mirror image
- Chirality (mathematics)Property of an object that is not congruent to its mirror image
- Choice functionMathematical function
- Cholesky decompositionMatrix decomposition method
- Choquet theoryArea of functional analysis and convex analysis
- Chord (geometry)Geometric line segment whose endpoints lie on a circular arc
- Chordal graphGraph where all long cycles have a chord
- Chow groupAnalogs of homology groups for algebraic varieties
- Chow varietyIn mathematics, particularly in the field of algebraic geometry, a Chow variety is an alge
- Chow's lemmaChow's lemma, named after Wei-Liang Chow, is one of the foundational results in algebraic
- Chudnovsky algorithmFast method for calculating the digits of π
- Chudnovsky brothersAmerican mathematicians
- Church encodingRepresentation of data of various types in lambda calculus
- Church–Turing–Deutsch principlePrinciple in computer science
- Circle bundlePrincipal fiber bundle
- Circle groupLie group of complex numbers of unit modulus; topologically a circle
- Circle packingField of geometry closely arranging circles on a plane
- Circle packing theoremOn tangency patterns of circles
- Circles of ApolloniusSeveral sets of circles associated with Apollonius of Perga
- Circolo Matematico di PalermoItalian mathematical society
- Circuit satisfiability problemClassic NP-complete problem in computer science
- Circular arcPart of a circle between two points
- Circular layoutIn graph drawing, a circular layout is a style of drawing that places the vertices of a gr
- Circular symmetryProperty of a planar object which maps onto itself after rotation by any angle
- CircumcircleCircle that passes through the vertices of a triangle
- Class formationIn mathematics, a class formation is a topological group acting on a module satisfying cer
- Class number formulaFormula in number theory
- Class number problemListing all imaginary quadratic fields with a given class number
- Classical groupType of group in mathematics
- Classical Hamiltonian quaternionsHamilton's original treatment of quaternions
- Classical modular curvePlane algebraic curve
- Classical orthogonal polynomialsType of orthogonal polynomials
- Classical Wiener spaceSpace of stochastic processes
- Classification of low-dimensional real Lie algebrasThis mathematics-related list provides Mubarakzyanov's classification of low-dimensional r
- Classification of manifoldsBasic question in geometry and topology
- Classification theoremDescribes the objects of a given type, up to some equivalence
- Classifying spaceQuotient of a weakly contractible space by a free action
- Clausen functionTranscendental single-variable function
- Claw-free graphGraph without four-vertex star subgraphs
- Clay Mathematics InstituteAmerican foundation
- Clenshaw–Curtis quadratureClenshaw–Curtis quadrature and Fejér quadrature are methods for numerical integration, or
- Clifford algebraAlgebra based on a vector space with a quadratic form
- Clifford bundleIn mathematics, a Clifford bundle is an algebra bundle whose fibers have the structure of
- Clifford parallelLines with constant perpendicular distance between them
- Clifford theoryIn mathematics, Clifford theory, introduced by Alfred H. Clifford (1937), describes the re
- Clifford's theorem on special divisorsIn mathematics, Clifford's theorem on special divisors is a result of William K. Clifford
- Clipping (signal processing)Form of distortion that limits a signal in processing
- Clique-sumGluing graphs at complete subgraphs
- Clopen setSubset which is both open and closed
- Close-packing of equal spheresDense arrangement of congruent spheres in an infinite, regular arrangement
- Closed and exact differential formsConcept of vector calculus
- Closed graph theoremTheorem relating continuity to graphs
- Closed graph theorem (functional analysis)Theorems connecting continuity to closure of graphs
- Closed immersionIn algebraic geometry, a closed immersion of schemes is a morphism of schemes that identif
- Closed linear operatorLinear operator whose graph is closed
- Closed manifoldTopological concept in mathematics
- Closed monoidal categoryType of category in mathematics
- Closed setComplement of an open subset
- Closed-form expressionMathematical formula involving a given set of operations
- Closed-subgroup theoremGroup theory theorem
- Closure (topology)All points and limit points in a subset of a topological space
- Clustering coefficientMeasure of how connected and clustered a node is in its graph
- CM-fieldComplex multiplication field
- CMA-ESEvolutionary algorithm
- Co-Hopfian groupIn the mathematical subject of group theory, a co-Hopfian group is a group that is not iso
- Co-NPComplexity class
- Coadjoint representationIn mathematics, the coadjoint representation of a Lie group is the dual of the adjoint rep
- CoalgebraStructure dual to a unital associative algebra
- Coastline paradoxCounterintuitive observation
- Cobham's theoremCobham's theorem is a theorem in combinatorics on words that has important connections wit
- Cobham's thesisConcept in computational complexity theory
- CobordismTopological spaces whose union is a boundary
- CodomainTarget set of a mathematical function
- CoefficientMultiplicative factor in a mathematical expression
- CofinalitySize of subsets in order theory
- CofunctionTrigonometric function paired with another
- CographGraph formed by complementation and disjoint union
- Cohen–Macaulay ringType of commutative ring in mathematics
- Coherent dualityGeneralisations of Serre duality in mathematics
- Coherent sheafGeneralization of vector bundles
- Coherent sheaf cohomologyIn mathematics, especially in algebraic geometry and the theory of complex manifolds, cohe
- Cohn's irreducibility criterionSufficient condition for a polynomial to be unfactorable
- Cohomological invariantIn mathematics, a cohomological invariant of an algebraic group G over a field is an invar
- CohomologyAlgebraic structure used in topology
- Cohomology ringConcept in algebraic topology
- Cohomology with compact supportIn mathematics, cohomology with compact support refers to certain cohomology theories, usu
- Coin flippingPractice of throwing a coin in the air to choose between two alternatives
- Coin problemMathematical problem
- Collapse (topology)In topology, a branch of mathematics, a collapse reduces a simplicial complex (or more gen
- Collective classificationIn network theory, collective classification is the simultaneous prediction of the labels
- CollinearityProperty of points all lying on a single line
- Colombeau algebraIn mathematics, a Colombeau algebra is an algebra of a certain kind containing the space o
- Colossally abundant numberIn number theory, a colossally abundant number (sometimes abbreviated as CA) is a natural
- Combinational logicType of digital logic implemented by Boolean circuits
- Combinatorial commutative algebraField of mathematics using techniques from combinatorics and commutative algebra
- Combinatorial designSymmetric arrangement of finite sets
- Commensurability (mathematics)When two functions have co-rational periods, i.e. n T1 = m T2
- Communication complexityComplexity of sending information in a distributed algorithm
- Communication theoryProposed description of communication phenomena
- Community structureConcept in graph theory
- Commutant lifting theoremOperator theorem
- CommutatorOperation measuring the failure of two entities to commute
- Commutator subspaceIn mathematics, the commutator subspace of a two-sided ideal of bounded linear operators o
- Compact groupTopological group with compact topology
- Compact Lie algebraMathematical theory
- Compact operatorType of continuous linear operator
- Compact operator on Hilbert spaceFunctional analysis concept
- Compact-open topologyType of topology
- Compactification (mathematics)Embedding a topological space into a compact space as a dense subset
- Compactly generated spaceIn topology, a topological space is called a compactly generated space or k-space if its t
- ComparabilityProperty of elements related by inequalities
- Comparison of topologiesMathematical concept
- Complement graphGraph with same nodes as but complementary connections to another
- Complete bipartite graphBipartite graph where each node of 1st set is linked to all nodes of 2nd set
- Complete Boolean algebraBoolean algebra with all operators and laws forming a complete logical system
- Complete categoryCategory in which all small limits exist
- Complete coloringVertex coloring where every color pairing appears at least once
- Complete intersection ringIn commutative algebra, a complete intersection ring is a commutative ring similar to the
- Complete latticePartially ordered set in which all subsets have both a supremum and infimum
- Complete measureMeasure space in mathematics
- Complete metric spaceMetric geometry
- Complete spatial randomnessComplete spatial randomness (CSR) describes a point process whereby point events occur wit
- Complete topological vector spaceStructure in functional analysis
- Completely distributive latticeIn the mathematical area of order theory, a completely distributive lattice is a complete
- Completeness (logic)Characteristic of some logical systems
- Completeness (order theory)Existence of certain infima or suprema of a given poset
- Completeness (statistics)Statistics term
- Completing the squareMethod for solving quadratic equations
- Complex cobordismIn mathematics, complex cobordism is a generalized cohomology theory related to cobordism
- Complex conjugateFundamental operation on complex numbers
- Complex contagionComplex contagion is the phenomenon in social networks in which multiple sources of exposu
- Complex differential formDifferential form on a manifold which is permitted to have complex coefficients
- Complex geometryStudy of complex manifolds and several complex variables
- Complex Lie algebraIn mathematics, a complex Lie algebra is a Lie algebra over the complex numbers.
- Complex Lie groupIn geometry, a complex Lie group is a Lie group over the complex numbers; i.e., it is a co
- Complex manifoldManifold
- Complex multiplicationTheory of a class of elliptic curves
- Complex networkNetwork with non-trivial topological features
- Complex projective spaceMathematical concept
- Complex-base systemPositional numeral system
- ComplexificationTopic in mathematics
- Complexification (Lie group)Universal construction of a complex Lie group from a real Lie group
- Composite Bézier curveGeometric shape
- Composition algebraType of algebras, possibly non associative
- Composition of relationsOperation on binary relations
- Composition operatorLinear operator in mathematics
- Composition seriesDecomposition of an algebraic structure
- Compositional game theoryBranch of game theory and computer science
- Compound of three octahedraPolyhedral compound
- Compound probability distributionConcept in statistics
- Computational complexity of mathematical operationsAlgorithmic runtime requirements for common math procedures
- Computational hardness assumptionHypothesis in computational complexity theory
- Computational topologySubfield of mathematical topology
- Computer algebraScientific area at the interface between computer science and mathematics
- Computer algebra systemMathematical software
- Computer-assisted proofMathematical proof at least partially generated by computer
- Computing the permanentProblem in linear algebra
- COMSTECHStanding Committee for Scientific and Technological Cooperation (COMSTECH) is one of four
- Concentric objectsGeometric objects with a common centre
- Concurrent linesLines which intersect at a single point
- Condition numberFunction's sensitivity to argument change
- Conditional dependenceConcept in probability theory
- Conditional entropyMeasure of relative information in probability theory
- Conditional expectationExpected value of a random variable given that certain conditions are known to occur
- Conditional probability distributionProbability theory and statistics concept
- Conditional varianceIn probability theory and statistics, a conditional variance is the variance of a random v
- Conditioning (probability)Probability theory term
- Conductance (graph theory)In theoretical computer science, graph theory, and mathematics, the conductance is a param
- Cone (topology)Transformation of a topological space
- Configuration space (mathematics)Concept in mathematics
- Conformal geometryStudy of angle-preserving transformations of a geometric space
- Conformal groupConcept in mathematical group theory
- Conformal weldingIn mathematics, conformal welding (sewing or gluing) is a process in geometric function th
- ConfoundingBias in causal inference
- Conglomerate (mathematics)In mathematics, collection of classes
- Congruence relationEquivalence relation in algebra
- Congruence subgroupIn mathematics, a congruence subgroup of a matrix group with integer entries is a subgroup
- Conical coordinatesThree-dimensional orthogonal coordinate system
- Conical refractionOptical phenomenon
- Conical surfaceSurface drawn by a moving line passing through a fixed point
- Conjugate transposeComplex matrix A* obtained from a matrix A by transposing it and conjugating each entry
- Connected dominating setDominating set that induces a connected subgraph
- Connected sumWay to join two given mathematical manifolds together
- ConnectednessMathematical concept
- Connection (mathematics)Function in mathematics
- Connection (principal bundle)Concept in mathematics
- Connection (vector bundle)Defines a notion of parallel transport on a bundle
- Connection formMath/physics concept
- Connes embedding problemMathematical problem in von Neumann algebra theory
- ConsistencyNon-contradiction of a theory
- Consistent and inconsistent equationsWhether or not there exists a set of values to satisfy a given system of equations
- Constant sheafObject in mathematical sheaf theory
- Constant-recursive sequenceInfinite sequence of numbers satisfying a linear equation
- Constrained optimizationOptimizing objective functions that have constrained variables
- Constraint (mathematics)Condition of an optimization problem which the solution must satisfy
- Constructible polygonRegular polygon that can be constructed with compass and straightedge
- Constructible universeParticular class of sets which can be described entirely in terms of simpler sets
- Construction of the real numbersIn mathematics, there are several equivalent ways of defining the real numbers. One of the
- Constructive analysisMathematical analysis
- Constructive proofMethod of proof in mathematics
- Contact (mathematics)Two functions having equal values and derivatives at a given point
- Contact geometryBranch of geometry
- Contiguity (probability theory)In probability theory, two sequences of probability measures are said to be contiguous if
- Continuant (mathematics)Multivariate polynomial
- Continuous functional calculusIn mathematics, particularly in operator theory and C*-algebra theory, the continuous func
- Continuous functions on a compact Hausdorff spaceIn mathematical analysis, and especially functional analysis, a fundamental role is played
- Continuous linear operatorIn functional analysis and related areas of mathematics, a continuous linear operator or c
- Continuous mapping theoremProbability theorem
- Continuous or discrete variableTypes of numerical variables in mathematics
- Continuous wavelet transformIntegral transform
- Continuous-time Markov chainProbability concept
- Continuum (topology)Nonempty compact connected metric space
- Contractible spaceCan be continuously shrunk to a point
- Contraction (operator theory)Bounded operators with sub-unit norm
- Contraction mappingFunction reducing distance between all points
- Contraharmonic meanIn mathematics, a contraharmonic mean (or antiharmonic mean) is a function complementary t
- Contributions of Leonhard Euler to mathematicsThe 18th-century Swiss mathematician Leonhard Euler (1707–1783) is among the most prolific
- Control of chaosStabilization, by means of small system perturbations, of unstable periodic orbits
- Controlling for a variableBinning data according to measured values of the variable
- Convection–diffusion equationCombination of the diffusion and convection (advection) equations
- Convergence in measureConcepts in probability mathematics
- Convergence of Fourier seriesMathematical problem in classical harmonic analysis
- Convergence of measuresMathematical concept
- Convergence of random variablesNotions of probabilistic convergence, applied to estimation and asymptotic analysis
- Convergence proof techniquesConvergence proof techniques are canonical patterns of mathematical proofs that sequences
- Convergence spaceGeneralization of the notion of convergence that is found in general topology
- Converse relationReversal of the order of elements of a binary relation
- Convex analysisMathematics of convex functions and sets
- Convex coneMathematical set closed under positive linear combinations
- Convex curveType of plane curve
- Convex functionReal function with secant line between points above the graph itself
- Convex geometryBranch of geometry
- Convex hullSmallest convex set containing a given set
- Convex layersIn computational geometry, the convex layers of a set of points in the Euclidean plane are
- Convex optimizationSubfield of mathematical optimization
- Convex polygonPolygon that is the boundary of a convex set
- Convex polytopeConvex hull of a finite set of points in a Euclidean space
- Conway groupFour finite groups derived from the Leech lattice
- Conway group Co2In the area of modern algebra known as group theory, the Conway group Co2 is a sporadic si
- Conway group Co3In the area of modern algebra known as group theory, the Conway group is a sporadic simple
- Cook–Levin theoremBoolean satisfiability is NP-complete and therefore that NP-complete problems exist
- Cooley–Tukey FFT algorithmFast Fourier Transform algorithm
- Copula (statistics)Statistical distribution for dependence between random variables
- Correlation (projective geometry)Concept in projective geometry
- CosetDisjoint, equal-size subsets of a group's underlying set
- CoskewnessIn probability theory and statistics, coskewness is a measure of how much three random var
- Cotangent bundleVector bundle of cotangent spaces at every point in a manifold
- Cotangent complexConstruct in algebraic geometry
- Cotangent spaceDual space to the tangent space in differential geometry
- Cotes's spiralPlane curve
- Countable setMathematical set that can be enumerated
- Countably compact spaceIn mathematics a topological space is called countably compact if every countable open cov
- CounterexampleException to a proposed general rule
- Counting boardEarly computing device
- Courcelle's theoremOn linear-time algorithms for graph logic
- Cousin primePrime numbers which differ by 4
- Covariance and contravariance of vectorsVector behavior under coordinate changes
- Covariant derivativeSpecification of a derivative along a tangent vector of a manifold
- Covering groupConcept in topological group theory
- Covering spaceType of continuous map in topology
- Coxeter elementConcept in geometry
- Coxeter groupGroup that admits a formal description in terms of reflections
- Coxeter–Dynkin diagramPictorial representation of symmetry
- CR manifoldDifferentiable manifold
- Craig interpolationTheorem in mathematical logic
- Cramér–Rao boundLower bound on variance of an estimator
- Cramer's theorem (algebraic curves)In algebraic geometry, Cramer's theorem on algebraic curves gives the necessary and suffic
- Critical exponent of a wordIn mathematics and computer science, the critical exponent of a finite or infinite sequenc
- Cross section (geometry)Geometrical concept
- Cross-correlation matrixConcept in digital signal processing
- Cross-ratioInvariant in projective geometry
- Crossing number (knot theory)In the mathematical area of knot theory, the crossing number of a knot is the smallest num
- Crystalline cohomologyWeil cohomology theory for schemes X over a base field k
- Cubic surfaceAlgebraic surface defined by a cubic polynomial
- CuboctahedronPolyhedron with 8 triangles and 6 squares
- CuboidConvex polyhedron with six faces with four edges each
- Cup productOperation in cohomology theory
- Current (mathematics)Distributions on spaces of differential forms
- Curse of dimensionalityDifficulties arising when analyzing data with many aspects ("dimensions")
- Curvature of Riemannian manifoldsNotion in geometry
- Curvilinear coordinatesCoordinate system whose directions vary in space
- Curvilinear perspectiveGraphical projection from 3D to 2D which tends to curve straight lines
- Cusp (singularity)Point on a curve where motion must move backwards
- Cusp formModular form
- Cuspidal representationIn number theory, cuspidal representations are certain representations of algebraic groups
- Cut (graph theory)Partition of a graph's nodes into 2 disjoint subsets
- Cut locusSet of points where the shortest paths from a specific starting point cease to be unique
- Cut-elimination theoremTheorem in formal logic
- CW complexType of topological space
- Cycle graph (algebra)In group theory, a subfield of abstract algebra, a cycle graph of a group is an undirected
- Cyclic homologyIn noncommutative geometry and related branches of mathematics, cyclic homology and cyclic
- Cyclic permutationType of (mathematical) permutation with no fixed element
- Cyclic polytopeConvex hull of points on moment curve
- Cyclotomic characterIn number theory, a cyclotomic character is a character of a Galois group giving the Galoi
- Cyclotomic fieldField extension of the rational numbers by a primitive root of unity
- Cyclotomic polynomialIrreducible polynomial whose roots are nth roots of unity
- Cylindrical harmonicsSolutions to Laplace's equation