A - B - C - D - E - F - G - H - I - J - K - L - M -
N - O - P - Q - R - S - T - U - V - W - X - Y - Z

0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9

L-algebra

L-function

L-genus

L-group

L-matrix

L-systems

L'Hôpital's rule

Labs septic

Lacey, Michael

Lacroix, Sylvestre François

Lacuna

Lacunary function

Lacunary power series

Lacunary sequence

Lacunary series

Lacunary space

Lacunary system

Lacunary trigonometric series

Lafforgue, Laurent

Lagrange's four-square theorem

Laguerre, Edmond

Lah, Ivo

Lah number

Lalescu, Traian

Lam, Tsit Yuen

Lamb, Horace

Lambek–Moser theorem

Lambert, Johann Heinrich

Lamé, Gabriel

Lamé's special quartic

Lamplighter group

Lamport, Leslie

Lamy, Bernard

Lanczos, Cornelius

Landau, Edmund

Landau–Ramanujan constant

Landen, John

Lander, Eric

Landweber, Peter

Lange's conjecture

Langlands, Robert

Langlands–Deligne local constant

Langlands program

LAPACK

Laplace invariant

Laplace operator

Laplace transform

Laplacian smoothing

Large cardinal

Last geometric statement of Jacobi

Lateral surface

Latin square

Laurent, Paul Matthieu Hermann

Laurent, Pierre Alphonse

Laurent series

Lavrentyev, Mikhail

Law of cosines

Law of cotangents

Law of large numbers

Law of sines

Lax, Peter

Lax–Friedrichs method

Lebesgue, Henri

Lebesgue covering dimension

Lebesgue's decomposition theorem

Lebesgue measure

Lecture Notes in Mathematics

Lectures in Geometric Combinatorics

Leech, John

Leffler, Magnus Gösta Mittag-

Lefschetz, Solomon

Left and right (algebra)

Left and right derivative

Lehmer, Derrick Henry

Lehmer, Emma Markovna

Lehmer, Derrick Norman

Lehmer number

Leibniz’s formula

Lemma

Lemniscate of Gerono

Lemoine, Émile

Lentoid

Leonardo number

Leray, Jean

Leray's theorem

Lerch, Mathias

Lerch zeta function

Leśniewski, Stanisław

Leyland number

Levi, Beppo

Levit, Boris

Levy, Hyman

Lévy, Paul Pierre

Lévy-Cramér theorem

Lévy flight

Lewy, Hans

Liberman's lemma

Libri, Guglielmo

Lidinoid

Lidstone, George James

Lie, Sophus

Lie group

Lie group homomorphism

Lie subgroup

Lighthill, James

Limit (mathematics)

Limit-cycle

Limit point

Lindelöf, Ernst Leonard

Lindemann, Ferdinand von

Lindemann–Weierstrass theorem
Lindenbaum–Tarski algebra
Lindenbaum's lemma
Lindley equation
Lindsey–Fox algorithm
Lindström–Gessel–Viennot lemma
Lindström quantifier
Lindström's theorem

Line

Line at infinity
Line bundle
Line code

Line complex

Line coordinates
Line drawing algorithm
Line element
Line field
Line fitting
Line graph
Line graph of a hypergraph
Line group

Line integral

Line-intercept sampling
Line–line intersection
Line moiré
Line of action
Line of greatest slope
Line perfect graph
Line–plane intersection
Line search

Line segment

Line segment intersection
Line–sphere intersection
Line wrap and word wrap

Linear algebra

Linear Algebra and Its Applications
Linear algebraic group

Linear approximation

Linear arboricity
Linear bottleneck assignment problem
Linear canonical transformation
Linear classifier
Linear code
Linear combination
Linear complementarity problem
Linear complex structure
Linear congruential generator
Linear connection
Linear continuum
Linear density
Linear difference equation
Linear differential equation
Linear discriminant analysis
Linear dynamical system
Linear elasticity

Linear equation

Linear equation over a ring
Linear extension
Linear feedback shift register
Linear flow on the torus
Linear forest
Linear form
Linear-fractional programming
Linear fractional transformation
Linear function
Linear function (calculus)

Linear functional

Linear group
Linear independence
Linear inequality
Linear interpolation
Linear inverse problem
Linear least squares
Linear Lie algebra
Linear logic

Linear map

Linear matrix inequality
Linear model
Linear multistep method

Linear network coding
Linear partial information
Linear prediction
Linear predictive analysis
Linear predictive coding
Linear predictor function
Linear probability model
Linear programming
Linear programming decoding
Linear programming formulation
Linear programming relaxation
Linear regression
Linear relation
Linear response function
Linear search
Linear search problem
Linear seismic inversion
Linear separability
Linear space (geometry)
Linear span
Linear speedup theorem
Linear stability
Linear subspace
Linear system
Linear system of conics
Linear system of divisors
Linear topology
Linear transport theory
Linearised polynomial
Linearity
Linearity of differentiation
Linearization
Linearly disjoint
Linearly ordered group
LINGO (mathematical modeling language)

Linear multistep method

Linnik, Yuri

Linnik distribution
Linnik's constant
Linnik's theorem

Lions, Jacques-Louis

Lions, Pierre-Louis

Lions–Lax–Milgram theorem
Lions–Magenes lemma
LIONsolver

Liouville, Joseph

Liouville–Arnold theorem
Liouville–Bratu–Gelfand equation
Liouville field theory
Liouville function
Liouville–Neumann series
Liouville number
Liouville space
Liouville surface
Liouville's equation
Liouville's formula
Liouville's theorem
Liouville's theorem (complex analysis)
Liouville's theorem (conformal mappings)
Liouville's theorem (differential algebra)
Liouville's theorem (Hamiltonian)

Liouvillian function
Lipschitz continuity
Lipschitz domain
Liquid-impregnated surface
Lis (linear algebra library)
Lisp Algebraic Manipulator
Lissajous curve
Lissajous knot
Lissajous orbit
List coloring
List coloring conjecture
List decoding
List edge-coloring
List object
List of abstract algebra topics
List of actuaries
List of African-American mathematicians
List of African-American women in STEM fields
List of algebraic coding theory topics
List of algebraic constructions
List of algebraic geometry topics
List of algebraic number theory topics
List of algebraic topology topics
List of algebras
List of algorithm general topics
List of algorithms
List of amateur mathematicians
List of American mathematicians
List of analyses of categorical data
List of aperiodic sets of tiles
List of axioms
List of Banach spaces
List of books in computational geometry
List of Boolean algebra topics
List of Brazilian mathematicians
List of calculus topics
List of Cambridge mathematicians
List of chaotic maps
List of character tables for chemically important 3D point groups
List of Chinese mathematicians
List of circle topics
List of cohomology theories
List of combinatorial computational geometry topics
List of common coordinate transformations
List of commutative algebra topics
List of complex analysis topics
List of complex and algebraic surfaces
List of complexity classes
List of computability and complexity topics
List of computer algebra systems
List of computer graphics and descriptive geometry topics
List of conjectures
List of conjectures by Paul Erdős
List of contemporary Iranian scientists, scholars, and engineers
List of continuity-related mathematical topics
List of convex regular-faced polyhedra
List of convexity topics
List of convolutions of probability distributions
List of coordinate charts
List of countries by number of Fields Medalists
List of countries implementing pool testing strategy against COVID-19
List of Courant Institute alumni
List of Courant Institute faculty members
List of curves
List of curves topics
List of cycles
List of definite integrals
List of derivatives and integrals in alternative calculi
List of differential geometry topics
List of disproved mathematical ideas
List of dualities
List of dynamical systems and differential equations topics
List of equations
List of equations in classical mechanics
List of Euclidean uniform tilings
List of examples in general topology
List of exceptional set concepts
List of exponential topics
List of F4 polytopes
List of factorial and binomial topics
List of fellows of the Fields Institute
List of Fields Medal winners by university affiliation
List of finite-dimensional Nichols algebras
List of finite element software packages
List of finite simple groups
List of finite spherical symmetry groups
List of first-order theories
List of forcing notions
List of formal systems
List of formulae involving π
List of formulas in elementary geometry
List of formulas in Riemannian geometry
List of four-dimensional games
List of Fourier analysis topics
List of Fourier-related transforms
List of fractals by Hausdorff dimension
List of functional analysis topics
List of game theorists
List of general topology topics
List of genetic algorithm applications
List of geodesic polyhedra and Goldberg polyhedra
List of geometers
List of geometric topology topics
List of geometry topics
List of German mathematicians
List of graph theory topics
List of graphical methods
List of graphs
List of graphs by edges and vertices
List of Greek mathematicians
List of group theory topics
List of harmonic analysis topics
List of Hilbert systems
List of homological algebra topics
List of Hungarian mathematicians
List of hypergeometric identities
List of important publications in mathematics
List of important publications in statistics
List of impossible puzzles
List of incomplete proofs
List of Indian mathematicians
List of inequalities
List of integer sequences
List of integrable models
List of integrals of area hyperbolic functions
List of integrals of exponential functions
List of integrals of Gaussian functions
List of integrals of hyperbolic functions
List of integrals of inverse hyperbolic functions
List of integrals of inverse trigonometric functions
List of integrals of irrational functions
List of integrals of logarithmic functions
List of integrals of rational functions
List of integrals of trigonometric functions
List of integration and measure theory topics
List of International Congresses of Mathematicians Plenary and Invited Speakers
List of International Mathematical Olympiad participants
List of Iranian mathematicians
List of irreducible Tits indices
List of isotoxal polyhedra and tilings
List of Italian mathematicians
List of Jewish American mathematicians
List of Jewish mathematicians
List of Johnson solids
List of knapsack problems
List of knot theory topics
List of Laplace transforms
List of large cardinal properties
List of lemmas
List of letters used in mathematics and science
List of Lie groups topics
List of limits
List of linear algebra topics
List of logarithmic identities
List of logic symbols
List of logicians
List of long mathematical proofs
List of manifolds
List of Martin Gardner Mathematical Games columns
List of mathematic operators
List of mathematical abbreviations
List of mathematical artists
List of mathematical concepts named after places
List of mathematical constants
List of mathematical examples
List of mathematical functions
List of mathematical identities
List of mathematical jargon
List of mathematical knots and links
List of mathematical logic topics
List of mathematical probabilists
List of mathematical proofs
List of mathematical properties of points
List of mathematical series
List of mathematical shapes
List of mathematical societies
List of mathematical symbols
List of mathematical symbols by subject
List of mathematical theories
List of mathematical topics in classical mechanics
List of mathematical topics in quantum theory
List of mathematical topics in relativity
List of mathematician-politicians

List of long mathematical proofs

List of trigonometric identities

List of mathematicians born in the 19th century
List of mathematics awards
List of mathematics-based methods
List of mathematics competitions
List of mathematics education journals
List of mathematics history topics
List of mathematics journals
List of mathematics reference tables
List of misnamed theorems
List of moments of inertia
List of multivariable calculus topics
List of named differential equations
List of named matrices
List of nonlinear ordinary differential equations
List of nonlinear partial differential equations
List of NP-complete problems
List of number fields with class number one
List of number theory topics
List of numbers
List of numbers in various languages
List of numbers in various languages (Afro-Eurasian language families with over twenty variants)
List of numeral system topics
List of numeral systems
List of numerical-analysis software
List of numerical analysis topics
List of numerical computational geometry topics
List of numerical libraries
List of operator splitting topics
List of order structures in mathematics
List of order theory topics
List of partial differential equation topics
List of partition topics
List of people by Erdős number
List of perfect numbers
List of periodic functions
List of permutation topics
List of places with numeric names
List of planar symmetry groups
List of Polish mathematicians
List of polygons
List of polygons, polyhedra and polytopes
List of polyhedral stellations
List of polynomial topics
List of pre-modern Iranian scientists and scholars
List of presidents of the Associação Brasileira de Estatística
List of price index formulas
List of prime knots
List of prime numbers
List of probability distributions
List of probability journals
List of probability topics
List of problems in loop theory and quasigroup theory
List of programs for point cloud processing
List of properties of sets of reals
List of PSPACE-complete problems
List of q-analogs
List of random number generators
List of real analysis topics
List of recreational number theory topics
List of regular polytopes and compounds
List of representation theory topics
List of representations of e
List of rules of inference
List of Runge–Kutta methods
List of Russian mathematicians
List of scientific constants named after people
List of scientific theories and laws
List of selection theorems
List of self-intersecting polygons
List of set theory topics
List of shapes with known packing constant
List of simple Lie groups
List of Slovenian mathematicians
List of small groups
List of small polyhedra by vertex count
List of software for Monte Carlo molecular modeling
List of solids derived from the sphere
List of special functions and eponyms
List of spirals
List of statements independent of ZFC
List of statistical mechanics articles
List of statistical topics
List of statisticians
List of statistics articles
List of statistics journals
List of Still Standing episodes
List of stochastic processes topics
List of string theory topics
List of sums of reciprocals
List of surfaces
List of terms relating to algorithms and data structures
List of tessellations
List of textbooks in electromagnetism
List of textbooks in thermodynamics and statistical mechanics
List of textbooks on classical mechanics and quantum mechanics
List of theorems
List of things named after Adrien-Marie Legendre
List of things named after Alan Turing
List of things named after Albert Einstein
List of things named after Alexander Grothendieck
List of things named after Alfred Tarski
List of things named after Anatoliy Skorokhod
List of things named after André Weil
List of things named after Andrey Markov
List of things named after Archimedes
List of things named after Arthur Cayley
List of things named after Augustin-Louis Cauchy
List of things named after Bernhard Riemann
List of things named after Carl Friedrich Gauss
List of things named after Carl Gustav Jacob Jacobi
List of things named after Charles Hermite
List of things named after David Hilbert
List of things named after Eduard Heine
List of things named after Élie Cartan
List of things named after Emil Artin
List of things named after Emmy Noether
List of things named after Erich Hecke
List of things named after Erik Fredholm
List of things named after Ernst Witt
List of things named after Euclid
List of things named after Évariste Galois
List of things named after Felix Klein
List of things named after Ferdinand Georg Frobenius
List of things named after Fibonacci
List of things named after Friedrich Bessel
List of things named after George Airy
List of things named after George Gabriel Stokes
List of things named after Gottfried Leibniz
List of things named after Henri Poincaré
List of things named after Hermann Grassmann
List of things named after Hermann Minkowski
List of things named after Hermann Weyl
List of things named after Issai Schur
List of things named after Jacques Hadamard
List of things named after Jakob Bernoulli
List of things named after James Joseph Sylvester
List of things named after Jean d'Alembert
List of things named after Jean-Pierre Serre
List of things named after Johann Lambert
List of things named after Johannes Kepler
List of things named after John Horton Conway
List of things named after John Milnor
List of things named after John von Neumann
List of things named after Joseph Fourier
List of things named after Joseph Liouville
List of things named after Joseph-Louis Lagrange
List of things named after Karl Weierstrass
List of things named after Leonhard Euler
List of things named after members of the Bernoulli family
List of things named after Niels Henrik Abel
List of things named after Norbert Wiener
List of things named after Pafnuty Chebyshev
List of things named after Paul Erdős
List of things named after Peter Gustav Lejeune Dirichlet
List of things named after Pierre de Fermat
List of things named after Pierre-Simon Laplace
List of things named after Pythagoras
List of things named after Richard Dedekind
List of things named after Siméon Denis Poisson
List of things named after Sophus Lie
List of things named after Srinivasa Ramanujan
List of things named after Stanislaw Ulam
List of things named after Stefan Banach
List of things named after Thomas Bayes
List of things named after Vladimir Arnold
List of things named after W. V. D. Hodge
List of things named after William Rowan Hamilton
List of topics related to π
List of topologies on the category of schemes
List of topology topics
List of transforms
List of transitive finite linear groups
List of triangle inequalities
List of triangle topics
List of trigonometric identities
List of two-dimensional geometric shapes
List of types of functions
List of types of numbers
List of types of sets
List of types of systems theory
List of Ukrainian mathematicians
List of uncertainty propagation software
List of undecidable problems
List of uniform polyhedra
List of uniform polyhedra by Schwarz triangle
List of uniform polyhedra by spherical triangle
List of uniform polyhedra by vertex figure
List of uniform polyhedra by Wythoff symbol
List of United States regional mathematics competitions
List of unsolved problems in computer science
List of unsolved problems in mathematics
List of unsolved problems in statistics
List of valid argument forms
List of variational topics
List of vector calculus identities
List of vector spaces in mathematics
List of wavelet-related transforms
List of Welsh mathematicians
List of Wenninger polyhedron models
List of women in mathematics
List of works by Nicolas Minorsky
List of works by Nikolay Bogolyubov
List of works designed with golden ratio
List of works designed with the golden ratio
List of zeta functions
List ranking
Listing number
Lists of integrals
Lists of mathematicians
Lists of mathematics topics
Lists of physics equations
Lists of shapes
Lists of uniform tilings on the sphere, plane, and hyperbolic plane --

Literal (mathematical logic)
Littelmann path model
Little q-Jacobi polynomials
Little q-Laguerre polynomials
Little's law
Little's lemma
Littlewood conjecture
Littlewood–Offord problem
Littlewood–Paley theory

Littlewood polynomial

Littlewood–Richardson rule
Littlewood subordination theorem
Littlewood's 4/3 inequality
Littlewood's law
Littlewood's Tauberian theorem
Littlewood's three principles of real analysis
Lituus (mathematics)
Liu Hui's π algorithm

Lituus (mathematics)

Livingstone graph

Ljubljana graph
Ljung–Box test
Lloyd's algorithm
LLT polynomial
LMS Journal of Computation and Mathematics
Lo Shu Square
Löb's theorem

Lobachevsky criterion ( convergence)

Lobachevsky function

Lobachevsky geometry

Lobachevsky space

Lobachevsky (song)
Lobachevsky integral formula
Lobachevsky Prize
Lobb number
LOBPCG

Lobb numbers

Local analysis

Local asymptotic normality
Local boundedness
Local case-control sampling
Local class field theory

Local cohomology

Local convergence
Local convex hull
Local coordinates
Local cosine tree
Local criterion for flatness

Local decomposition

Local diffeomorphism
Local duality
Local Euler characteristic formula
Local feature size
Local field
Local Fields
Local flatness

Local homeomorphism

Local homology

Local independence
Local inverse
Local Langlands conjectures
Local language (formal language)
Local martingale
Local optimum
Local parameter
Local property
Local quantum field theory
Local regression
Local rigidity
Local ring
Local search (optimization)
Local symbol
Local system
Local tangent space alignment
Local Tate duality
Local time (mathematics)
Local trace formula
Local uniformization
Local zeta-function
Localization (commutative algebra)
Localization formula for equivariant cohomology
Localization of a category
Localization of a topological space
Localization theorem
Localized Chern class
Localizing subcategory

Locally acyclic morphism

Locally catenative sequence
Locally compact abelian group

Locally compact field

Locally compact group
Locally compact quantum group
Locally compact space
Locally connected space
Locally constant function
Locally constant sheaf
Locally convex topological vector space
Locally convex vector lattice

Locally cyclic group

Locally discrete collection
Locally finite
Locally finite collection
Locally finite group
Locally finite measure
Locally finite operator

Locally finite poset

Locally finite space
Locally finite variety
Locally Hausdorff space
Locally integrable function
Locally linear graph

Locally nilpotent

Locally nilpotent derivation
Locally normal space
Locally profinite group
Locally regular space
Locally simply connected space
Location arithmetic
Location estimation in sensor networks
Location parameter
Location–scale family
Location test
Location testing for Gaussian scale mixture distributions
Loch Ness monster surface

Lochs' theorem

Locus (mathematics)

Loeb space
Loeschian number
Loève Prize
Loewner differential equation
Loewner order
Loewner's torus inequality
Loewy decomposition
Loewy ring
Log-Cauchy distribution
Log-Laplace distribution
Log-likelihood
Log-linear analysis
Log-linear model
Log-linear modeling
Log–log plot
Log-logistic distribution
Log-normal distribution
Log-polar coordinates
Log probability
Log-rank conjecture
Log semiring
Log-space computable function
Log-space reduction
Log-space transducer
Log structure
Log sum inequality
Logan plot

Logarithm

Logarithmic branch point

Logarithmic convergence criterion

Logarithmic derivative

Logarithmic differentiation
Logarithmic distribution
Logarithmic form
Logarithmic growth

Logarithmic integral

Logarithmic integral function
Logarithmic mean
Logarithmic norm

Logarithmic normal distribution

Logarithmic number system
Logarithmic pair

Logarithmic residue

Logarithmic scale
Logarithmic Schrödinger equation
Logarithmic Sobolev inequalities

Logarithmic spiral

Logarithmic summation method

Logarithmic units
Logarithmically concave function
Logarithmically concave measure
Logarithmically concave sequence
Logarithmically convex function
Logarithmus
Logarithmus binaris
Logarithmus decimalis
Logarithmus dualis
Logarithmus generalis
Logarithmus naturalis
LOGCFL
Logic
Logic alphabet
Logic for Computable Functions
Logic in China
Logic in Islamic philosophy
Logic Lane
Logic of graphs
Logic optimization
Logic redundancy
Logica nova
Logical axiom
Logical biconditional

Logical calculus

Logical conjunction
Logical connective

Logical consequence

Logical constant
Logical depth
Logical disjunction
Logical equality
Logical equivalence

Logical formula

Logical function

Logical graph
Logical harmony
Logical Investigations (Husserl)
Logical machine

Logical matrix

Logical NOR

Logical reasoning
Logical topology
Logical truth
Logicism
Logicomix
Logics for computability
Logistic distribution
Logistic function

Logistic map

Logistic regression
Logit
Logit analysis in marketing
Logit-normal distribution
LogitBoost
Logrank test
LogSumExp

Lojasiewicz-Simon inequality

Lojasiewicz inequality

Lokavibhaga
Lollipop graph
Lomax distribution
Lommel function

Lommel function

Lommel polynomial

London Mathematical Society
Lonely runner conjecture
Long and short scales
Long code (mathematics)
Long division
Long hundred
Long line (topology)
Long prime
Long-range dependence
Long tail
Long-tail traffic
Longest alternating subsequence
Longest common subsequence problem
Longest common substring problem
Longest element of a Coxeter group
Longest increasing subsequence
Longest path problem
Longest repeated substring problem
Longest uncrossed knight's path
Longitude
Look-and-say sequence
Look-elsewhere effect
Looman–Menchoff theorem
Loomis–Whitney inequality
Loop (graph theory)

Loop algebra

Loop braid group
Loop-erased random walk

Longman method

Loop

Loop group

Loop integral
Loop representation in gauge theories and quantum gravity
Loop sectioning

Loop space

Loop subdivision surface
Loop theorem

Loop (topology)

Loopless algorithm

Lorden's inequality
Lorentz covariance
Lorentz group
Lorentz space
Lorentz surface
Lorentz transformation
Lorenz 96 model
Lorenz asymmetry coefficient
Lorenz curve

Lorentz surface

Lorenz attractor

Lorenz system
Łoś–Tarski preservation theorem
Łoś–Vaught test

Loss function

Loss network
Loss of significance
Lot quality assurance sampling

Lotka–Volterra equation

Lotka's law
Lottery (probability)
Lottery machine
Lottery mathematics
Loubignac iteration
Louis Bachelier Prize
Loupekine snarks
Lovász conjecture

Lovasz local lemma

Lovász number
Love number
Lovelock theory of gravity

Low (complexity)
Low (computability)
Low and high hierarchies
Low basis theorem
Low-complexity art
Low-density parity-check code
Low-dimensional topology
Low-discrepancy sequence
Low Frequency Analyzer and Recorder (LOFAR)
Low-rank approximation
Löwenheim number
Löwenheim–Skolem theorem

Lowenheim-Skolem theorem

Lower bound

Lower convex envelope
Lower limit topology
Lower p-series
LowerUnits
LowerUnivalents
Lowest common ancestor

Lowest common denominator

Lowndean Professor of Astronomy and Geometry

Lowner equation

Lowner-Heinz inequality

Lowner method

Lozanić's triangle
Lozenge
Lp space
Lp sum
LP-type problem
Lr-diode
LTI system theory
LTPP Data Analysis Contest

LU decomposition
LU reduction
Lubell–Yamamoto–Meshalkin inequality
Lubin–Tate formal group law
Luby transform code
Lucal code

Lucas–Carmichael number

Lucas chain

Lucas–Lehmer primality test
Lucas–Lehmer–Riesel test
Lucas number
Lucas primality test
Lucas prime
Lucas pseudoprime

Lucas sequence

Lucas' theorem
Lucasian Professor of Mathematics
Luce's choice axiom
Lucifer (cipher)
Lucky number

Lucky numbers of Euler

Lueroth problem

Lueroth problem

Lugiato–Lefever equation
Luhn algorithm
Luhn mod N algorithm
Lukacs Distinguished Professor
Lukacs's proportion-sum independence theorem
Łukasiewicz logic
Łukasiewicz–Moisil algebra
Łukaszyk–Karmowski metric

Luks, Eugene M.

Lulu smoothing
Lumer–Phillips theorem
Lumpability
Luna's slice theorem
Lunar theory
Lune (geometry)
Lune of Hippocrates
Lupanov representation
Lüroth quartic
Lüroth's theorem
Lusin space
Lusin's separation theorem
Lusin's theorem
Lusser's law
Lusternik–Schnirelmann category
Lusternik–Schnirelmann theorem

Lusztig, George

Lute of Pythagoras

Lutwak, Erwin

Lutz, Jack

Luus–Jaakola

Luxembourg Mathematical Society

Luxemburg norm

Luzin-C-property

Luzin criterion

Luzin-Denjoy theorem

Luzin-N-property

Luzin-Privalov theorems

Luzin separability principles

Luzin set

Luzin sieve

Luzin space

Luzin theorem

Lwów School of Mathematics
Lwów–Warsaw school
Lyapunov dimension

Lyapunov exponent

Lyapunov fractal

Lyapunov function

Lyapunov–Malkin theorem
Lyapunov optimization
Lyapunov redesign

Lyapunov–Schmidt reduction

Lyapunov stability

Lyapunov time

Lyapunov transformation

Lyapunov vector

Lyapunov's central limit theorem --

Lychrel number

Lyndon, Roger

Lyndon–Hochschild–Serre spectral sequence

Lyndon word

Lyons, Richard

Lyons group
Lyusternik–Fet theorem

Lyusternik-Shnirel'man-Borsuk covering theorem