Wikipedia:WikiProject Mathematics/List of mathematics articles (I)

I
I-adic topology  -- I Am a Mathematician  -- I-bundle  -- I-semigroup  -- I-spline  -- I Want to Be a Mathematician  -- IA automorphism  -- IAMG Distinguished Lectureship  -- Iatromathematicians  -- Ibragimov–Iosifescu conjecture for φ-mixing sequences  -- Ice circle  -- Icelandic Junior College Mathematics Competition  -- ICEM Surf  -- ICER  -- Icivil  -- Icons of Mathematics  -- Icophone  -- Icosagon  -- Icosahedral 120-cell  -- Icosahedral honeycomb  -- Icosahedral number  -- Icosahedral prism  -- Icosahedral pyramid  -- Icosahedral symmetry  -- Icosahedron  -- Icosian  -- Icosian calculus  -- Icosian game  -- Icosidigon  -- Icosidodecadodecahedron  -- Icosidodecahedral prism  -- Icosidodecahedron  -- Icosihexagon  -- Icosioctagon  -- Icositetragon  -- Icositetrahedron  -- Icositruncated dodecadodecahedron  --

Ict
ICTCM Award  -- ICTP Ramanujan Prize  -- Ideal (order theory)  -- Ideal (ring theory)  -- Ideal (set theory)  -- Ideal class group  -- Ideal lattice  -- Ideal norm  -- Ideal number  -- Ideal point  -- Ideal polyhedron  -- Ideal quotient  -- Ideal reduction  -- Ideal sheaf  -- Ideal theory  -- Ideal triangle  -- Idealised population  -- Idealizer  -- Idempotence  -- Idempotent (ring theory)  -- Idempotent analysis  -- Idempotent matrix  -- Idempotent measure  -- Idempotent relation  -- Identical particles  -- Identifiability  -- Identifiability analysis  -- Identity (mathematics)  -- Identity (philosophy)  -- Identity channel  -- Identity component  -- Identity element  -- Identity function  -- Identity line  -- Identity matrix  -- Identity of indiscernibles  -- Identity theorem  -- Identity theorem for Riemann surfaces  -- Identity transform  -- Identric mean  --

Ido
Idoneal number  -- If and only if  -- Ignatov's theorem  -- Ignorability  -- Igon value  -- Igusa group  -- Igusa quartic  -- Igusa variety  -- Igusa zeta function  -- Ihara zeta function  -- Ihara's lemma  -- II25,1  -- Iitaka dimension  -- IJP The Book of Surfaces  -- Ikeda lift  -- Ikeda map  -- Illegal number  -- Illinois algorithm  -- Illinois Journal of Mathematics  -- Illumination problem  -- Illuminationism  -- Illusory contours  -- Illustration of the central limit theorem  -- ILNumerics  -- Ilocano numbers  -- IM 67118  -- Im schwarzen Walfisch zu Askalon  -- IMA Gold Medal  -- IMA Journal of Applied Mathematics  -- IMA Journal of Management Mathematics  -- IMA Journal of Mathematical Control and Information  -- IMA Journal of Numerical Analysis  -- IMA Lighthill-Thwaites Prize  -- Image (category theory)  -- Image (mathematics)  -- Image-based meshing  -- Image derivative  -- Image functors for sheaves  -- Imaginary (exhibition)  -- Imaginary curve  -- Imaginary element  -- Imaginary hyperelliptic curve  -- Imaginary line (mathematics)  -- Imaginary number  -- Imaginary unit  -- Imaging cycler microscopy  -- Imagining Numbers  --

Imm
Immanant  -- Immanuel Kant  -- Immediate inference  -- Immerman–Szelepcsényi theorem  -- Immersed boundary method  -- Immersion (mathematics)  -- Impartial game  -- Imperfect group  -- Imperialist competitive algorithm  -- Implementation of mathematics in set theory  -- Implicant  -- Implication graph  -- Implicational propositional calculus  -- Implicit computational complexity  -- Implicit curve  -- Implicit function  -- Implicit function theorem  -- Implicit graph  -- Implicit surface  -- Implied volatility  -- Importance sampling  -- Impossibility  -- Impossibility of a gambling system  -- Impossible cube  -- Imprecise Dirichlet process  -- Imprecise probability  -- Impredicativity  -- Improper integral  -- Improper rotation  -- Impulse  -- Impulse response  -- Imputation (statistics)  --

In
In-crowd algorithm  -- In-place matrix transposition  -- In Pursuit of the Traveling Salesman  -- In Pursuit of the Unknown  -- Inaccessible cardinal  -- Incandescence (novel)  -- Ince equation  -- Incidence (geometry)  -- Incidence (graph)  -- Incidence algebra  -- Incidence and Symmetry in Design and Architecture  -- Incidence coloring  -- Incidence geometry  -- Incidence matrix  -- Incidence poset  -- Incidence structure  -- Incircle and excircles of a triangle  -- Inclined plane  -- Included angle  -- Inclusion (Boolean algebra)  -- Inclusion (logic)  -- Inclusion–exclusion principle  -- Inclusion map  -- Inclusion order  -- Inclusive  -- Incomplete Bessel functions  -- Incomplete Bessel K function/generalized incomplete gamma function  -- Incomplete Cholesky factorization  -- Incomplete Fermi–Dirac integral  -- Incomplete gamma function  -- Incomplete LU factorization  -- Incomplete polylogarithm  -- Incompressibility method  -- Incompressible flow  -- Incompressible surface  -- Increasing process  -- Increment theorem  -- Incremental validity  --

Ind
Ind-completion  -- Ind-scheme  -- Indagationes Mathematicae  -- Indecomposability  -- Indecomposable continuum  -- Indecomposable distribution  -- Indecomposable module  -- Indefinite and fictitious numbers  -- Indefinite inner product space  -- Indefinite orthogonal group  -- Indefinite product  -- Indefinite sum  -- Independence (mathematical logic)  -- Independence (probability theory)  -- Independence complex  -- Independence-friendly logic  -- Independence number  -- Independence of premise  -- Independence system  -- Independence Theory in Combinatorics  -- Independent and identically distributed random variables  -- Independent component analysis  -- Independent domination number  -- Independent equation  -- Independent increments  -- Independent S-increments  -- Independent set  -- Independent set (graph theory)  -- Independent set problem  -- Indescribable cardinal  -- Indestructibility  -- Indeterminacy in concurrent computation  -- Indeterminate  -- Indeterminate (variable)  -- Indeterminate equation  -- Indeterminate form  -- Indeterminate system  -- Index calculus algorithm  -- Index ellipsoid  -- Index group  -- Index notation  -- Index of a Lie algebra  -- Index of a subgroup  -- Index of accounting articles  -- Index of coincidence  -- Index of combinatorics articles  -- Index of cryptography articles  -- Index of dispersion  -- Index of fractal-related articles  -- Index of information theory articles  -- Index of logarithm articles  -- Index of logic articles  -- Index of wave articles  -- Index set  -- Index set (recursion theory)  -- Indexed category  -- Indexed family  -- Indexed language  -- Indexed search  -- Indian buffet process  -- Indian logic  -- Indian Mathematical Society  -- Indian mathematics  -- Indian National Mathematical Olympiad  -- Indian numbering system  -- Indian Statistical Institute  -- Indiana Pi Bill  -- Indiana University Mathematics Journal  -- Indicative conditional  -- Indicator (statistics)  -- Indicator function  -- Indicator function (complex analysis)  -- Indicator vector  -- Indicators of spatial association  -- Indifference graph  -- Indigenous bundle  -- Indirect Fourier transform  -- Indiscernibles  -- Indiscrete category  -- Indistinguishability quotient  -- Individual pieces set  -- Indra's Pearls (book)  -- Induced character  -- Induced homomorphism  -- Induced homomorphism (quotient group)  -- Induced matching  -- Induced metric  -- Induced path  -- Induced representation  -- Induced subgraph  -- Induced subgraph isomorphism problem  -- Induction, bounding and least number principles  -- Inductive dimension  -- Inductive inference  -- Inductive probability  -- Inductive set  -- Inductive tensor product  -- Industrial-grade prime  --

Ine
Ineffable cardinal  -- Inellipse  -- Inequalities in information theory  -- Inequality (mathematics)  -- Inequality of arithmetic and geometric means  -- Inequation  -- Inertial manifold  -- Inexact differential  -- Inexact differential equation  -- Infeld–Van der Waerden symbols  -- Inference  -- Infimum and supremum  -- Infinitary combinatorics  -- Infinitary logic  -- Infinite broom  -- Infinite chess  -- Infinite compositions of analytic functions  -- Infinite conjugacy class property  -- Infinite descending chain  -- Infinite difference method  -- Infinite dihedral group  -- Infinite Dimensional Analysis, Quantum Probability and Related Topics  -- Infinite-dimensional holomorphy  -- Infinite-dimensional Lebesgue measure  -- Infinite-dimensional optimization  -- Infinite-dimensional vector function  -- Infinite divisibility  -- Infinite divisibility (probability)  -- Infinite element method  -- Infinite expression  -- Infinite group  -- Infinite loop  -- Infinite loop space machine  -- Infinite monkey theorem  -- Infinite monkey theorem in popular culture  -- Infinite-order triangular tiling  -- Infinite-period bifurcation  -- Infinite product  -- Infinite set  -- Infinite skew polygon  -- InfiniteGraph  -- Infinitely near point  -- Infinitesimal  -- Infinitesimal character  -- Infinitesimal cohomology  -- Infinitesimal generator (stochastic processes)  -- Infinitesimal strain theory  -- Infinitesimal transformation  -- Infinitism  -- Infinity  -- Infinity (philosophy)  -- Infinity and the Mind  -- Infinity-Borel set  -- Infinity Laplacian  -- Infinity mirror  -- Infinity plus one  -- Infinity symbol  -- Infix notation  -- Inflation-restriction exact sequence  -- Inflection point  -- Influence of nonstandard analysis  -- Influential observation  -- Info-metrics  -- Infomax  -- Informal mathematics  -- Information  -- Information algebra  -- Information-based complexity  -- Information bottleneck method  -- Information diagram  -- Information distance  -- Information field theory  -- Information fluctuation complexity  -- Information geometry  -- Information matrix test  -- Information projection  -- Information set  -- Information set (game theory)  -- Information source  -- Information source (mathematics)  -- Information theory  -- Information theory and measure theory  -- Information Visualization (journal)  -- Infosys Prize  -- Infra-exponential  -- Infrabarrelled space  -- Infrared fixed point  -- Infrastructure (number theory)  -- Infrastructure bias  --

Ing
Ingleton's inequality  -- Ingredient-flavor network  -- Inhabited set  -- Inherent bias  -- Inherent zero  -- Inhomogeneous electromagnetic wave equation  -- Initial algebra  -- Initial and terminal objects  -- Initial attractiveness  -- Initial condition  -- Initial topology  -- Initial value problem  -- Initial value theorem  -- Initialized fractional calculus  -- Injection locking  -- Injective cogenerator  -- Injective function  -- Injective hull  -- Injective metric space  -- Injective module  -- Injective object  -- Injective sheaf  -- Injective tensor product  -- Inner angle  -- Inner automorphism  -- Inner form  -- Inner measure  -- Inner model  -- Inner model theory  -- Inner product space  -- Inner regular measure  -- Innovation (signal processing)  -- Innovations vector  -- Innumeracy (book)  --

Ino
Inoue–Hirzebruch surface  -- Inoue surface  -- Input shaping  -- Inquisitive semantics  -- Inscribed angle  -- Inscribed figure  -- Inscribed sphere  -- Inscribed square problem  -- INSEE code  -- Inserter category  -- Insolubilia  -- Inspec  -- Instability  -- Instant Insanity  -- Instantaneous phase and frequency  -- Instanton  -- Institut de mathématiques de Jussieu – Paris Rive Gauche  -- Institut de Mathématiques de Toulouse  -- Institut des Hautes Études Scientifiques  -- Institut Henri Poincaré  -- Institute for Advanced Study  -- Institute for Computational and Experimental Research in Mathematics  -- Institute for Experimental Mathematics  -- Institute For Figuring  -- Institute for Mathematical Research  -- Institute for Mathematical Sciences  -- Institute for Mathematics and its Applications  -- Institute for Pure and Applied Mathematics  -- Institute of Applied Physics and Computational Mathematics  -- Institute of Combinatorics and its Applications  -- Institute of Mathematical Logic and Fundamental Research  -- Institute of Mathematical Problems of Biology  -- Institute of Mathematical Sciences  -- Institute of Mathematical Sciences (Spain)  -- Institute of Mathematical Sciences, Chennai  -- Institute of Mathematics  -- Institute of Mathematics (National Academy of Sciences of Belarus)  -- Institute of Mathematics and Applications, Bhubaneswar  -- Institute of Mathematics and its Applications  -- Institute of Mathematics and Statistics, University of São Paulo  -- Institute of Mathematics of National Academy of Sciences of Armenia  -- Institute of Mathematics of the Polish Academy of Sciences  -- Institute of Mathematics of the Romanian Academy  -- Institute of Mathematics, Physics, and Mechanics  -- Institute of Mathematics, UFRJ  -- Institute of Statistical Mathematics  -- Institute of Statisticians  -- Institution (computer science)  -- Institutional model theory  -- Institutiones calculi differentialis  -- Institutiones calculi integralis  -- Instituto de Estadística y Cartografía de Andalucía  -- Instituto Nacional de Estatística  -- Instituto Nacional de Matemática Pura e Aplicada  -- Instrumental variables estimation  --

Int
Integer  -- Integer broom topology  -- Integer circuit  -- Integer complexity  -- Integer factorization  -- Integer factorization records  -- Integer lattice  -- Integer literal  -- Integer matrix  -- Integer points in convex polyhedra  -- Integer programming  -- Integer relation algorithm  -- Integer sequence  -- Integer sequence prime  -- Integer square root  -- Integer triangle  -- Integer-valued function  -- Integer-valued polynomial  -- Integrability  -- Integrability conditions for differential systems  -- Integrable algorithm  -- Integrable module  -- Integrable system  -- Integral  -- Integral closure of an ideal  -- Integral curve  -- Integral domain  -- Integral element  -- Integral equation  -- Integral Equations and Operator Theory  -- Integral expression  -- Integral geometry  -- Integral graph  -- Integral linear operator  -- Integral of inverse functions  -- Integral of secant cubed  -- Integral of the secant function  -- Integral operator  -- Integral polytope  -- Integral sliding mode  -- Integral symbol  -- Integral test for convergence  -- Integral transform  -- Integral Transforms and Special Functions  -- Integrally closed  -- Integrally closed domain  -- Integrally-convex set  -- Integrals and Series  -- Integraph  -- Integrated mathematics  -- Integrated nested Laplace approximations  -- Integrating factor  -- Integration along fibers  -- Integration Bee  -- Integration by parts  -- Integration by parts operator  -- Integration by reduction formulae  -- Integration by substitution  -- Integration over time  -- Integration using Euler's formula  -- Integration using parametric derivatives  -- Integrator  -- Integro-differential equation  -- Integrodifference equation  -- Intellect  -- Intellectualism  -- Intension  -- Intensional logic  -- Intensity (measure theory)  -- Intensity-duration-frequency curve  -- Intensity measure  -- Intensity of counting processes  -- Inter-rater reliability  -- Inter-universal Teichmüller theory  -- Interacting particle system  -- Interaction (statistics)  -- Interaction cost  -- Interactive computation  -- Interactive data visualization  -- Interactive evolutionary computation  -- Interactive Mathematics Program  -- Interactive proof system  -- Interactive Theorem Proving (conference)  -- Intercept theorem  -- Interchange lemma  -- Interchange of limiting operations  -- Interclass correlation  -- Interdecile range  -- Interdependent networks  -- Interdimensional  -- Interdimensional being  -- Interdisciplinary Center for Scientific Computing  -- Interdisciplinary Contest in Modeling  -- Interest  -- Interesting number paradox  -- Interface conditions for electromagnetic fields  -- Interim analysis  -- Interior (topology)  -- Interior algebra  -- Interior point method  -- Interior product  -- Interleave sequence  -- Interlocking interval topology  -- Intermediate Jacobian  -- Intermediate logic  -- Intermediate Math League of Eastern Massachusetts  -- Intermediate Mathematical Challenge  -- Intermediate value theorem  -- Intermittency  -- Internal and external angles  -- Internal category  -- Internal consistency  -- Internal set  -- Internal set theory  -- Internal validity  -- International Association for Mathematics and Computers in Simulation  -- International Association for Statistical Computing  -- International Association for Statistical Education  -- International Association of Black Actuaries  -- International Association of Mathematical Physics  -- International Astrostatistics Association  -- International Centre for Mathematical Sciences  -- International Centre for Theoretical Physics  -- International Colloquium on Group Theoretical Methods in Physics  -- International Commission on Mathematical Instruction  -- International Commission on the History of Mathematics  -- International Conference on Differential Geometric Methods in Theoretical Physics  -- International Conference on Technology in Collegiate Mathematics  -- International Congress of Chinese Mathematicians  -- International Congress of Mathematicians  -- International Congress on Industrial and Applied Mathematics  -- International Congress on Mathematical Physics  -- International Council for Industrial and Applied Mathematics  -- International Day of Mathematics  -- International Encyclopedia of Statistical Science  -- International Futures  -- International Game Theory Review  -- International Giovanni Sacchi Landriani Prize  -- International Journal of Algebra and Computation  -- International Journal of Applied Mathematics and Computer Science  -- International Journal of Approximate Reasoning  -- International Journal of Bifurcation and Chaos in Applied Sciences and Engineering  -- International Journal of Biomathematics  -- International Journal of Computational Geometry and Applications  -- International Journal of Computer Mathematics  -- International Journal of Forecasting  -- International Journal of Geometric Methods in Modern Physics  -- International Journal of Geometry  -- International Journal of Mathematics  -- International Journal of Mathematics and Computer Science  -- International Journal of Mathematics and Mathematical Sciences  -- International Journal of Number Theory  -- International Journal of Science and Mathematics Education  -- International Journal of Shape Modeling  -- International Linear Algebra Society  -- International Mathematical Knowledge Trust  -- International Mathematical Modeling Challenge  -- International Mathematical Olympiad  -- International Mathematical Olympiad selection process  -- International Mathematical Union  -- International Mathematics Competition for University Students  -- International Mathematics Research Notices  -- International Mathematics Research Surveys  -- International Prize in Statistics  -- International Society for Bayesian Analysis  -- International Society for Design and Development in Education  -- International Society for Mathematical Sciences  -- International Society for Stereology & Image Analysis  -- International Society for Structural and Multidisciplinary Optimization  -- International Society for the Interaction of Mechanics and Mathematics  -- International Statistical Institute  -- International Symposium on Graph Drawing  -- International Symposium on Symbolic and Algebraic Computation  -- International Symposium on the Analytic Hierarchy Process  -- International trade theory  -- International Workshop on First-Order Theorem Proving  -- International Workshop on Operator Theory and its Applications  -- Interpolation  -- Interpolation (computer graphics)  -- Interpolation inequality  -- Interpolation space  -- Interpolation theorem  -- Interpolative decomposition  -- Interpretability  -- Interpretation (logic)  -- Interpretation (model theory)  -- Interprime  -- Interquartile mean  -- Interquartile range  -- Interrupted time series  -- Intersection  -- Intersection (Euclidean geometry)  -- Intersection (set theory)  -- Intersection curve  -- Intersection form of a 4-manifold  -- Intersection graph  -- Intersection homology  -- Intersection number  -- Intersection number (graph theory)  -- Intersection of a polyhedron with a line  -- Intersection theorem  -- Intersection theory  -- Intersection type discipline  -- Intertemporal budget constraint  -- Interval (mathematics)  -- Interval arithmetic  -- Interval boundary element method  -- Interval chromatic number of an ordered graph  -- Interval contractor  -- Interval edge coloring  -- Interval estimation  -- Interval exchange transformation  -- Interval graph  -- Interval order  -- Interval predictor model  -- Interval propagation  -- Interval temporal logic  -- INTLAB  -- Intra-rater reliability  -- Intraclass correlation  -- Intransitive dice  -- Intransitive game  -- Intransitivity  -- Intrinsic equation  -- Intrinsic flat distance  -- Intrinsic metric  -- Introductio in analysin infinitorum  -- Introduction to 3-Manifolds  -- Introduction to Arithmetic  -- Introduction to Circle Packing  -- Introduction to Commutative Algebra  -- Introduction to gauge theory  -- Introduction to Lattices and Order  -- Introduction to Mathematical Philosophy  -- Introduction to systolic geometry  -- Introduction to the Theory of Computation  -- Introduction to Tropical Geometry  -- Intruder state  -- Intuitionism  -- Intuitionistic logic  -- Intuitionistic type theory  --

Inu
Iñupiaq numerals  -- Inv (function prefix)  -- Invariance of domain  -- Invariance theorem  -- Invariant (mathematics)  -- Invariant basis number  -- Invariant convex cone  -- Invariant decomposition  -- Invariant differential operator  -- Invariant estimator  -- Invariant factor  -- Invariant factorization of LPDOs  -- Invariant manifold  -- Invariant measure  -- Invariant of a binary form  -- Invariant polynomial  -- Invariant set postulate  -- Invariant subspace  -- Invariant subspace problem  -- Invariant theory  -- Invariants of tensors  -- Invasion percolation  -- Inventiones Mathematicae  -- Inventory theory  -- Inverse bundle  -- Inverse-chi-squared distribution  -- Inverse curve  -- Inverse Dirichlet distribution  -- Inverse distance weighting  -- Inverse distribution  -- Inverse dynamics  -- Inverse element  -- Inverse function  -- Inverse function rule  -- Inverse function theorem  -- Inverse Galois problem  -- Inverse gambler's fallacy  -- Inverse-gamma distribution  -- Inverse Gaussian distribution  -- Inverse hyperbolic function  -- Inverse image functor  -- Inverse iteration  -- Inverse kinematics  -- Inverse Laplace transform  -- Inverse limit  -- Inverse lithography  -- Inverse matrix gamma distribution  -- Inverse mean curvature flow  -- Inverse Mills ratio  -- Inverse probability  -- Inverse probability weighting  -- Inverse problem  -- Inverse problem for Lagrangian mechanics  -- Inverse problem in optics  -- Inverse Pythagorean theorem  -- Inverse quadratic interpolation  -- Inverse scattering problem  -- Inverse scattering transform  -- Inverse semigroup  -- Inverse-square law  -- Inverse Symbolic Calculator  -- Inverse tangent integral  -- Inverse transform sampling  -- Inverse trigonometric functions  -- Inverse-variance weighting  -- Inverse-Wishart distribution  -- Inversion (discrete mathematics)  -- Inversion operator  -- Inversion transformation  -- Inversive congruential generator  -- Inversive distance  -- Inversive geometry  -- Inverted bell  -- Inverted bell curve  -- Inverted Dirichlet distribution  -- Inverted snub dodecadodecahedron  -- Invertible knot  -- Invertible matrix  -- Invertible module  -- Invertible sheaf  -- Investigations in Mathematics Learning  -- Investigations in Numbers, Data, and Space  -- Invex function  -- Involute  -- Involution  -- Involution (mathematics)  -- Involutive monoid  -- Involutory matrix  --

Ion
Ionescu-Tulcea theorem  -- IOSO  -- Iota and Jot  -- IP (complexity)  -- IP set  -- Iranian Journal of Fuzzy Systems  -- Iranian Mathematical Society  -- Irish logarithm  -- Irish Mathematical Society  -- Irrational base discrete weighted transform  -- Irrational number  -- Irrational rotation  -- Irrationality sequence  -- Irreducibility (mathematics)  -- Irreducible component  -- Irreducible element  -- Irreducible fraction  -- Irreducible ideal  -- Irreducible polynomial  -- Irreducible representation  -- Irreducible ring  -- Irregular matrix  -- Irregular prime  -- Irregularity of a surface  -- Irregularity of distributions  -- Irrelevant ideal  -- Irresistible force paradox  -- Irving Joshua Matrix  -- Irwin–Hall distribution  -- Isaac Newton Institute  -- Isaac Newton's early life and achievements  -- Isaac Newton's later life  -- Isaac Newton's occult studies  -- Isaac Watts  -- IsaPlanner  --

Isb
Isbell conjugacy  -- Ishango bone  -- Ishimori equation  -- Ishtar Gate  -- Ising critical exponents  -- Ising model  -- Isis (journal)  -- Islamic geometric patterns  -- Ismail polynomials  -- ISO 31-11  -- Isochron  -- Isocline  -- Isoclinism of groups  -- Isodynamic point  -- Isoelastic function  -- Isogeny  -- Isogeny theorem  -- Isogonal  -- Isogonal conjugate  -- Isogonal figure  -- Isohedral figure  -- Isolated point  -- Isolated singularity  -- Isolating neighborhood  -- Isolation lemma  -- Isoline retrieval  -- Isomap  -- Isometric projection  -- Isometries in physics  -- Isometry  -- Isometry (disambiguation)  -- Isometry group  -- Isomonodromic deformation  -- Isomorphism  -- Isomorphism class  -- Isomorphism-closed subcategory  -- Isomorphism extension theorem  -- Isomorphism of categories  -- Isomorphism problem  -- Isomorphism theorems  -- Isoparametric function  -- Isoparametric manifold  -- Isoperimetric dimension  -- Isoperimetric inequality  -- Isoperimetric point  -- Isoperimetric ratio  -- Isophote  -- Isopsephy  -- Isosceles set  -- Isosceles trapezoid  -- Isosceles triangle  -- Isospectral  -- Isosurface  -- Isothermal coordinates  -- Isothetic polygon  -- Isotomic conjugate  -- Isotonic regression  -- Isotopy of loops  -- Isotoxal figure  -- Isotropic coordinates  -- Isotropic helicoid  -- Isotropic line  -- Isotropic manifold  -- Isotropic measure  -- Isotropic position  -- Isotropic quadratic form  -- Isotropy representation  -- Isotypic component  -- Isotypical representation  --

Isr
Israel Halperin Prize  -- Israel Journal of Mathematics  -- Israel Mathematical Union  -- Isserlis' theorem  -- Istanbul Center for Mathematical Sciences  -- Istituto Nazionale di Alta Matematica Francesco Severi  -- Istituto per le Applicazioni del Calcolo Mauro Picone  -- Italian Mathematical Union  -- Italian school of algebraic geometry  -- Item response theory  -- Item-total correlation  -- Item tree analysis  -- Iterable cardinal  -- Iterated binary operation  -- Iterated conditional modes  -- Iterated filtering  -- Iterated function  -- Iterated function system  -- Iterated Hilbert Transform  -- Iterated integral  -- Iterated limit  -- Iterated local search  -- Iterated logarithm  -- Iterated monodromy group  -- Iteration  -- Iterative closest point  -- Iterative compression  -- Iterative deepening A*  -- Iterative deepening depth-first search  -- Iterative learning control  -- Iterative method  -- Iterative proportional fitting  -- Iterative rational Krylov algorithm  -- Iterative refinement  -- Iterative Viterbi decoding  -- Iteratively reweighted least squares  -- ITest  --

Ito
Itô calculus  -- Itô diffusion  -- Itō isometry  -- Itô's lemma  -- Itô's theorem  -- Itoh–Tsujii inversion algorithm  -- ITP method  -- Iverson bracket  -- Iwahori–Hecke algebra  -- Iwahori subgroup  -- Iwasawa algebra  -- Iwasawa conjecture  -- Iwasawa decomposition  -- Iwasawa group  -- Iwasawa manifold  -- Iwasawa theory  -- Iznik pottery  --