linear integral equations # systems of    45Fxx  
linear integral equations # systems of nonsingular    45F05  
linear integral equations # systems of singular    45F15  
linear logic and other substructural logics   03F52  
linear logic, Lambek calculus, BCK and BCI logics) # substructural logics (including relevance, entailment,    03B47  
linear mappings, matrices, determinants, theory of equation) # linear algebra. multilinear algebra. (vector spaces,    97H60  
linear models # generalized    62J12  
linear operators   515.7246  
linear operators # equations and inequalities involving    47Jxx  
linear operators # equations with    65J10  
linear operators # general theory of    47Axx  
linear operators # groups and semigroups of    47D03  
linear operators # special classes of    47Bxx  
linear operators (operator and matrix valued functions, etc., including analytic and meromorphic ones) # functions whose values are    47A56  
linear operators as elements of algebraic systems # individual    47Cxx  
linear operators) # linear relations (multivalued    47A06  
linear operators, their generalizations and applications # groups and semigroups of    47Dxx  
linear operators, with operator unknowns # equations involving    47A62  
linear operators, with vector unknowns # equations and inequalities involving    47A50  
linear operators; topological tensor products; approximation properties # spaces of    46A32  
linear optimal control problems   49N05  
linear parabolic PDE; boundary value problems for nonlinear parabolic PDE # nonlinear boundary value problems for    35K60  
linear programming   519.72  
linear programming   90C05  
linear programming (transportation, multi-index, etc.) # special problems of    90C08  
linear programming, centrally symmetric, etc.) # special polytopes (   52B12  
linear regression   62J05  
linear relations (multivalued linear operators)   47A06  
linear spaces # algebras of operators on Banach spaces and other topological    47L10  
linear spaces # functional analysis in probabilistic metric    46S50  
linear spaces # geometry and structure of normed    46B20  
linear spaces # interpolation between normed    46B70  
linear spaces # measures and integration on abstract    46G12  
linear spaces # operator theory in probabilistic metric    47S50  
linear spaces # ordered Abelian groups, Riesz groups, ordered    06F20  
linear spaces (convergence spaces, ranked spaces, spaces with a metric taking values in an ordered structure more general than ${\bf R}$, etc.) # other ``topological''    46A19  
linear spaces and algebras of operators   47Lxx  
linear spaces and Banach spaces; Banach lattices # normed    46Bxx  
linear spaces and other abstract spaces) # abstract approximation theory (approximation in normed    41A65  
linear spaces and related structures # topological    46Axx  
linear spaces of continuous, differentiable or analytic functions # topological    46E10  
linear spaces of operators   47L05  
linear spaces of test functions, distributions and ultradistributions # topological    46F05  
linear spaces, locally bounded spaces, quasi-Banach spaces, etc.) # not locally convex spaces (metrizable topological    46A16  
linear spaces, vector lattices # ordered topological    46A40  
linear spaces; angelic spaces, etc. # compactness in topological    46A50  
linear spaces; Choquet theory # convex sets in topological    46A55  
linear subspaces # configurations of    14N20  
linear systems   93C05  
linear systems # iterative methods for    65F10  
linear systems and matrix inversion # direct methods for    65F05  
linear systems, characteristic functions, realizations, etc. # operator colligations (=nodes), vessels,    47A48  
linear systems, invertible sheaves # divisors,    14C20  
linear topological spaces # probability theory on    60B11  
linear transformations, semilinear transformations   15A04  
linear vibration theory   70Jxx  
linear waves   74J05  
linear-quadratic problems   49N10  
linearization; Fatou and Julia sets # small divisors, rotation domains and    37F50  
linearizations   93B18  
linearized about a deformed state (small deformations superposed on large) # equations    74B15  
linearly ordered topological spaces, partially ordered spaces, and partially ordered spaces   54F05  
lines # method of    65M20  
lines # method of    65N40  
lines and pseudolines # planar arrangements of    52C30  
linguistics   91F20  
linguistics, etc. # semigroups in automata theory,    20M35  
linkage   14M06  
linkage, complete intersections and determinantal ideals   13C40  
links (in high dimensions) # knots and    57Q45  
links in $S^3$ # knots and    57M25  
Liouville theory # Sturm -    34B24  
Lipschitz (H\"older) classes   26A16  
Lipschitz controls, bang-bang controls, etc.) # optimal solutions belonging to restricted classes (   49J30  
liquid crystals   76A15  
liquid crystals and spin glasses) # random media, disordered materials (including    82D30  
liquid-gas two-phase flows, bubbly flows   76T10  
liquids   82D15  
Littlewood - Paley theory # maximal functions,    42B25  
Littlewood method # applications of the Hardy -    11P55  
Ljusternik - Schnirelman (Lyusternik - Shnirel'man) category of a space   55M30  
Ljusternik - Schnirelman (Lyusternik - Shnirel'man) theory, etc.) # abstract critical point theory (Morse theory,    58E05  
local analytic geometry   32Bxx  
local and $p$-adic fields # algebraic number theory:    11Sxx  
local and global bifurcation theory   37Gxx  
local and global fields # representation-theoretic methods; automorphic representations over    11F70  
local and semilocal rings, perfect rings # noncommutative    16L30  
local behavior of solutions, normal forms # singularities, monodromy,    34M35  
local categories and functors   18F05  
local coefficients, equivariant cohomology # homology with    55N25  
local cohomology   13D45  
local cohomology   14B15  
local cohomology of analytic spaces   32C36  
local compactness, $\sigma$-compactness   54D45  
local connectedness # higher-dimensional    54F35  
local deformation theory, Artin approximation, etc.   14B12  
local differential geometry   53Bxx  
local existence and uniqueness theorems   35A07  
local existence of solutions (near a given solution)   74G20  
local fields # $K$-theory of    11S70  
local fields # $p$-adic theory,    11F85  
local fields # curves over finite and    11G20  
local fields # elliptic curves over    11G07  
local fields # representations of Lie and linear algebraic groups over    22E50  
local fields # varieties over finite and    11G25  
local fields and their integers # linear algebraic groups over    20G25  
local ground fields   14G20  
local Lie groups   22E05  
local parametrization # germs of analytic sets,    32B10  
local properties   20E25  
local properties of generalized manifolds   57P05  
local Riemannian geometry   53B20  
local rings # invariants of analytic    32S10  
local rings # regular    13H05  
local rings # singularities,    14H20  
local rings and fields # quadratic forms over    11E08  
local rings and generalizations   16Lxx  
local rings and semilocal rings   13Hxx  
local singularities   32S05  
local spectral properties   47A11  
local structure of morphisms: \'etale, flat, etc.   14B25  
local submanifolds   53B25  
local theory   14Bxx  
local theory of Banach spaces   46B07  
local theory of residues   32A27  
local theory), geometric objects # differential invariants (   53A55  
local time and additive functionals   60J55  
local); growth estimates; other inequalities # Nevanlinna theory (   32A22  
local, global) # arithmetic ground fields (finite,    14D10  
locales # frames,    06D22  
localization # \Ore rings, multiplicative sets, \Ore    16U20  
localization # quotients and    13B30  
localization # uniqueness of trigonometric expansions, uniqueness of Fourier expansions, Riemann theory,    42A63  
localization and completion   55P60  
localization and Noetherian rings   16P50  
localization for orthogonal series # uniqueness and    42C25  
localization of categories   18E35  
locally bounded spaces, quasi-Banach spaces, etc.) # not locally convex spaces (metrizable topological linear spaces,    46A16  
locally compact Abelian groups # analysis on specific    43A70  
locally compact Abelian groups # Fourier and Fourier - Stieltjes transforms on    43A25  
locally compact Abelian groups (LCA groups)   22Bxx  
locally compact groups # automorphism groups of    22D45  
locally compact groups # general properties and structure of    22D05  
locally compact groups # group algebras of    22D15  
locally compact groups # other representations of    22D12  
locally compact groups # unitary representations of    22D10  
locally compact groups and their algebras   22Dxx  
locally compact) metric spaces # compact (   54E45  
locally connected spaces (general aspects) # connected and    54D05  
locally convex Fr\'echet spaces and (DF)-spaces   46A04  
locally convex spaces # general theory of    46A03  
locally convex spaces (metrizable topological linear spaces, locally bounded spaces, quasi-Banach spaces, etc.) # not    46A16  
locally finite groups # periodic groups;    20F50  
locally presentable categories # accessible and    18C35  
locally-maximal) invariant sets # gradient-like and recurrent behavior; isolated (   37B35  
location # continuous    90B85  
location and assignment # discrete    90B80  
location of integral curves, singular points, limit cycles   34C05  
location of zeros # polynomials:    26C10  
location of zeros (algebraic theorems) # polynomials:    12D10  
logarithm functions # higher    33B30  
logarithms # exponents and    512.922  
logarithms # exponents and    513.22  
logarithms; Baker's method # linear forms in    11J86  
logic # algebraic    03Gxx  
logic # applications of    16B70  
logic # classical first-order    03B10  
logic # classical propositional    03B05  
logic # connections with    11Uxx  
logic # connections with    12Lxx  
logic # fuzzy    511.313  
logic # fuzzy sets and    94D05  
logic # general    03Bxx  
logic # logical foundations of quantum mechanics; quantum    81P10  
logic # many-valued    03B50  
logic # modal    03B45  
logic # other algebras related to    03G25  
logic # other applications of    03B80  
logic # other infinitary    03C75  
logic # other nonclassical    03B60  
logic # probability and inductive    03B48  
logic # quantum    03G12  
logic # temporal    03B44  
logic (including intuitionistic logic) # subsystems of classical    03B20  
logic (multiple-valued logic) # many-valued    511.312  
logic (nonstandard logic) # nonclassical    511.31  
logic (symbolic logic) # mathematical    511.3  
logic and automata # word problems, other decision problems, connections with    20F10  
logic and deductive systems # foundations, relations to    18A15  
logic and foundations # mathematical    03-XX  
logic and lambda-calculus # combinatory    03B40  
logic and other substructural logics # linear    03F52  
logic and set theory # other connections with    28E15  
logic and type theory # higher-order    03B15  
logic in artificial intelligence   68T27  
logic in computer science   03B70  
logic of knowledge and belief   03B42  
logic of natural languages   03B65  
logic of vagueness # fuzzy logic;    03B52  
logic on admissible sets   03C70  
logic programming   68N17  
logic to commutative algebra # applications of    13L05  
logic to group theory # applications of    20A15  
logic with extra quantifiers and operators   03C80  
logic) # many-valued logic (multiple-valued    511.312  
logic) # mathematical logic (symbolic    511.3  
logic) # nonclassical logic (nonstandard    511.31  
logic) # subsystems of classical logic (including intuitionistic    03B20  
logic, Lambek calculus, BCK and BCI logics) # substructural logics (including relevance, entailment, linear    03B47  
logic, Malcev (Maltsev) conditions # equational    08B05  
logic, topoi # categorical    03G30  
logic. acquisition of logical verbal reasoning abilities in mathematics instruction   97E30  
logic; logic of vagueness # fuzzy    03B52  
logical foundations of quantum mechanics; quantum logic   81P10  
logical operations # mechanization of proofs and    03B35  
logical questions # automata and formal grammars in connection with    03D05  
logical verbal reasoning abilities in mathematics instruction # logic. acquisition of    97E30  
logics # intermediate    03B55  
logics # linear logic and other substructural    03F52  
logics (including relevance, entailment, linear logic, Lambek calculus, BCK and BCI logics) # substructural    03B47  
logics admitting inconsistency (paraconsistent logics, discussive logics, etc.)   03B53  
logics and related algebras (e.g., diagonalizable algebras) # provability    03F45  
logics) # substructural logics (including relevance, entailment, linear logic, Lambek calculus, BCK and BCI    03B47  
logics, discussive logics, etc.) # logics admitting inconsistency (paraconsistent    03B53  
logics, etc.) # logics admitting inconsistency (paraconsistent logics, discussive    03B53  
logics, model checking, etc.) # specification and verification (program    68Q60  
logistics # transportation,    90B06  
long-time behavior of solutions   74H40  
loop groups and related constructions, group-theoretic treatment   22E67  
loop space machines, operads   55P48  
loop spaces   55P35  
loop spaces # infinite    55P47  
loop theorem, asphericity # Dehn's lemma, sphere theorem,    57M35  
loops, quasigroups   20N05  
Lorentz group # structure and representation of the    22E43  
Lorentz manifolds, manifolds with indefinite metrics   53C50  
Lorentz metrics, indefinite metrics   53B30  
Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) # spaces of measurable functions ($L^p$-spaces, Orlicz spaces, K\"othe function spaces,    46E30  
low codimension problems   14M07  
low degree # varieties of    14N25  
low dimensions # group actions in    57M60  
low genus # special curves and curves of    14H45  
low-dimensional dynamical systems   37Exx  
low-dimensional manifolds # geometric structures on    57M50  
low-dimensional topology   57Mxx  
lower bounds # estimation of eigenvalues, upper and    34L15  
lower bounds # estimation of eigenvalues, upper and    35P15  
lower bounds, completeness, difficulty of approximation, etc.) # computational difficulty of problems (   68Q17  
lower dimensions # analogues in    83C80  
lower separation axioms, ($T_0$ - $T_3$, etc.)   54D10  
lubrication theory   76D08  
Lucas numbers and polynomials and generalizations # Fibonacci and    11B39  
Lukasiewicz algebras # De_Morgan algebras,    06D30  
Lukasiewicz and Post algebras   03G20  
Lyapunov and other classical stabilities (Lagrange, Poisson, $L^p, l^p$, etc.)   93D05  
Lyapunov exponents # attractors and their dimensions,    37L30  
Lyapunov exponents # characteristic and    34D08  
Lyapunov exponents # multiplicative ergodic theory,    37H15  
Lyapunov exponents, entropy) # computational methods for ergodic theory (approximation of invariant measures, computation of    37M30  
Lyapunov exponents, Pesin theory, etc.) # nonuniformly hyperbolic systems (   37D25  
Lyapunov functions # hyperbolicity;    37L45  
Lyapunov functions # scalar and vector    93D30  
Lyapunov functions and stability; attractors, repellers   37B25  
Lyapunov stability   34D20  
Lyness type # multiplicative and other generalized difference equations, e.g. of    39A20  
Lyusternik - Shnirel'man) category of a space # Ljusternik - Schnirelman (   55M30  
Lyusternik - Shnirel'man) theory, etc.) # abstract critical point theory (Morse theory, Ljusternik - Schnirelman (   58E05  
M\"obius geometries   51B10  
Mac_Lane spaces # Eilenberg -    55P20  
Macaulay modules # Cohen -    13C14  
Macaulay modules # Cohen -    16G50  
Macaulay rings, etc.) # homological conditions on rings (generalizations of regular, Gorenstein, Cohen -    16E65  
Macaulay, Gorenstein, Buchsbaum, etc.) # special types (Cohen -    13H10  
Macaulay, seminormal) # varieties defined by ring conditions (factorial, Cohen -    14M05  
Macdonald polynomials, etc.) # basic orthogonal polynomials and functions associated with root systems (   33D52  
machine computation and programs (not the theory of computation or programming) # explicit    03-04  
machine computation and programs (not the theory of computation or programming) # explicit    05-04  
machine computation and programs (not the theory of computation or programming) # explicit    06-04  
machine computation and programs (not the theory of computation or programming) # explicit    08-04  
machine computation and programs (not the theory of computation or programming) # explicit    11-04  
machine computation and programs (not the theory of computation or programming) # explicit    12-04  
machine computation and programs (not the theory of computation or programming) # explicit    13-04  
machine computation and programs (not the theory of computation or programming) # explicit    14-04  
machine computation and programs (not the theory of computation or programming) # explicit    15-04  
machine computation and programs (not the theory of computation or programming) # explicit    16-04  
machine computation and programs (not the theory of computation or programming) # explicit    17-04  
machine computation and programs (not the theory of computation or programming) # explicit    18-04  
machine computation and programs (not the theory of computation or programming) # explicit    19-04  
machine computation and programs (not the theory of computation or programming) # explicit    20-04  
machine computation and programs (not the theory of computation or programming) # explicit    22-04  
machine computation and programs (not the theory of computation or programming) # explicit    26-04  
machine computation and programs (not the theory of computation or programming) # explicit    28-04  
machine computation and programs (not the theory of computation or programming) # explicit    30-04  
machine computation and programs (not the theory of computation or programming) # explicit    31-04  
machine computation and programs (not the theory of computation or programming) # explicit    32-04  
machine computation and programs (not the theory of computation or programming) # explicit    33-04  
machine computation and programs (not the theory of computation or programming) # explicit    34-04  
machine computation and programs (not the theory of computation or programming) # explicit    35-04