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2000 Mathematics Subject Classification
 


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The Mathematics Subject Classification (MSC) is used to categorize items covered by the two reviewing databases, Mathematical Reviews (MR) and Zentralblatt MATH (Zbl). The MSC is broken down into over 5,000 two-, three-, and five-digit classfications, each corresponding to a discipline of mathematics (e.g., 11 = Number theory; 11B = Sequences and sets; 11B05 = Density, gaps, topology).

 The current classification system, 2000 Mathematics Subject Classification (MSC2000), is a revision of the 1991 Mathematics Subject Classification, which is the classification that has been used by MR and Zbl since the beginning of 1991. MSC2000 is the result of a collaborative effort by the editors of MR and Zbl to update the classification. The editors acknowledge the many helpful suggestions from the mathematical community during the revision process.

Changes at the 2-digit level

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The search program is based on one developed by Chris Eilbeck of Heriot-Watt University, Edinburgh. 

Browse the 2000 MSC

 00-XX   General 

 01-XX   History and biography [See also the classification number -03
         in the other sections]

 03-XX   Mathematical logic and foundations

 04-XX   This section has been deleted {For set theory see 03Exx}

 05-XX   Combinatorics {For finite fields, see  11Txx} 

 06-XX   Order, lattices, ordered algebraic structures [See also 18B35] 

 08-XX   General algebraic systems 

 11-XX   Number theory

 12-XX   Field theory and polynomials

 13-XX   Commutative rings and algebras

 14-XX   Algebraic geometry

 15-XX   Linear and multilinear algebra; matrix theory 

 16-XX   Associative rings and algebras {For the commutative case, see 13-XX}

 17-XX   Nonassociative rings and algebras

 18-XX   Category theory; homological algebra {For commutative rings 
         see 13Dxx, for associative rings 16Exx, for groups 20Jxx,
         for topological groups and related structures 57Txx; see also 55Nxx
          and 55Uxx for algebraic topology}

 19-XX   $K$-theory [See also 16E20, 18F25]

 20-XX   Group theory and generalizations

 22-XX   Topological groups, Lie groups {For transformation groups, see 
         54H15, 57Sxx, 58-XX. For abstract harmonic analysis, see 43-XX}

 26-XX   Real functions [See also 54C30]

 28-XX   Measure and integration {For analysis on manifolds, see 58-XX}

 30-XX   Functions of a complex variable {For analysis on manifolds, see 
         58-XX}

 31-XX   Potential theory {For probabilistic potential theory, see 60J45}

 32-XX   Several complex variables and analytic spaces {For infinite-
         dimensional holomorphy, see 46G20, 58B12}

 33-XX   Special functions (33-XX deals with the properties of functions 
         as functions) {For orthogonal functions, see 42Cxx; for 
         aspects of combinatorics, see 05Axx; for number-theoretic aspects, 
         see 11-XX; for representation theory, see 22Exx}

 34-XX   Ordinary differential equations

 35-XX   Partial differential equations

 37-XX   Dynamical systems and ergodic theory [See also 26A18, 28Dxx, 34Cxx,
         34Dxx, 35Bxx, 46Lxx, 58Jxx, 70-XX]

 39-XX   Difference and functional equations

 40-XX   Sequences, series, summability

 41-XX   Approximations and expansions {For all approximation theory in the 
         complex domain, see 30Exx, 30E05   and 30E10; for all trigonometric 
         approximation and interpolation, see 42Axx, 42A10   and 42A15; for 
         numerical approximation, see 65Dxx}

 42-XX   Fourier analysis

 43-XX   Abstract harmonic analysis {For other analysis on topological and 
         Lie groups, see 22Exx}

 44-XX   Integral transforms, operational calculus {For fractional 
         derivatives and integrals, see 26A33. For Fourier transforms, see 
         42A38, 42B10. For integral transforms in distribution spaces, see 
         46F12.  For numerical methods, see 65R10}

 45-XX   Integral equations

 46-XX   Functional analysis {For manifolds modeled on topological linear 
         spaces, see 57N20, 58Bxx}

 47-XX   Operator theory

 49-XX   Calculus of variations and optimal control; optimization
         [See also 34H05, 34K35, 65Kxx, 90Cxx, 93-XX]

 51-XX   Geometry {For algebraic geometry, see 14-XX}

 52-XX   Convex and discrete geometry

 53-XX   Differential geometry {For differential topology, see 57Rxx. For 
         foundational questions of differentiable manifolds, see 58Axx}

 54-XX   General topology {For the topology of manifolds of all dimensions, 
         see 57Nxx}

 55-XX   Algebraic topology

 57-XX   Manifolds and cell complexes {For complex manifolds, see 32Qxx}

 58-XX   Global analysis, analysis on manifolds [See also 32Cxx, 32Fxx, 
         32Wxx, 46-XX, 47Hxx, 53Cxx] {For geometric integration theory,
         see 49Q15}

 60-XX   Probability theory and stochastic processes {For additional 
         applications, see 11Kxx, 62-XX, 90-XX, 91-XX,92-XX, 93-XX, 94-XX]

 62-XX   Statistics

 65-XX   Numerical analysis

 68-XX   Computer science {For papers involving machine computations and 
         programs in a specific mathematical area, see Section -04 in
         that area}

 70-XX   Mechanics of particles and systems {For relativistic mechanics, 
         see 83A05 and 83C10; for statistical mechanics, see 82-XX}

 73-XX   This section has been deleted {For mechanics of solids, see 74-XX}

 74-XX   Mechanics of deformable solids

 76-XX   Fluid mechanics {For general continuum mechanics, see 74Axx, or 
         other parts of 74-XX}

 78-XX   Optics, electromagnetic theory {For quantum optics, see 81V80}

 80-XX   Classical thermodynamics, heat transfer {For thermodynamics of 
         solids, see 74A15}

 81-XX   Quantum theory

 82-XX   Statistical mechanics, structure of matter

 83-XX   Relativity and gravitational theory

 85-XX   Astronomy and astrophysics {For celestial mechanics, see 70F15}

 86-XX   Geophysics [See also 76U05, 76V05]

 90-XX   Operations research, mathematical programming

 91-XX   Game theory, economics, social and behavioral sciences

 92-XX   Biology and other natural sciences

 93-XX   Systems theory; control {For optimal control, see 49-XX}

 94-XX   Information and communication, circuits

 97-XX   Mathematics education

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