00 | General |

01 | History and biography |

03 | Mathematical logic and foundations |

05 | Combinatorics |

06 | Order, lattices, ordered algebraic structures |

08 | General algebraic systems |

11 | Number theory |

12 | Field theory and polynomials |

13 | Commutative rings and algebras |

14 | Algebraic geometry |

15 | Linear and multilinear algebra; matrix theory |

16 | Associative rings and algebras |

17 | Nonassociative rings and algebras |

18 | Category theory; homological algebra |

19 | *K*-theory |

20 | Group theory and generalizations |

22 | Topological groups, Lie groups |

26 | Real functions |

28 | Measure and integration |

30 | Functions of a complex variable |

31 | Potential theory |

32 | Several complex variables and analytic spaces |

33 | Special functions |

34 | Ordinary differential equations |

35 | Partial differential equations |

37 | Dynamical systems and ergodic theory |

39 | Difference and functional equations |

40 | Sequences, series, summability |

41 | Approximations and expansions |

42 | Fourier analysis |

43 | Abstract harmonic analysis |

44 | Integral transforms, operational calculus |

45 | Integral equations |

46 | Functional analysis |

47 | Operator theory |

49 | Calculus of variations and optimal control; optimization |

51 | Geometry |

52 | Convex and discrete geometry |

53 | Differential geometry |

54 | General topology |

55 | Algebraic topology |

57 | Manifolds and cell complexes |

58 | Global analysis, analysis on manifolds |

60 | Probability theory and stochastic processes |

62 | Statistics |

65 | Numerical analysis |

68 | Computer science |

70 | Mechanics of particles and systems |

74 | Mechanics of deformable solids |

76 | Fluid mechanics |

78 | Optics, electromagnetic theory |

80 | Classical thermodynamics, heat transfer |

81 | Quantum theory |

82 | Statistical mechanics, structure of matter |

83 | Relativity and gravitational theory |

85 | Astronomy and astrophysics |

86 | Geophysics |

90 | Operations research, mathematical programming |

91 | Game theory, economics, social and behavioral sciences |

92 | Biology and other natural sciences |

93 | Systems theory; control |

94 | Information and communication, circuits |

97 | Mathematics education |