# Mathematical Specialties

Mathematical specialties for mailing lists

2 digit classification Title TTL
00 General 19,378
01 History and biography 11,224
03 Mathematical logic and foundations 6,467
05 Combinatorics 9,799
06 Orders, lattices, ordered algebraic structures 2,469
08 General algebraic systems 2,277
11 Number theory 12,365
12 Field theory and polynomials 4,708
13 Commutative rings and algebras 5,304
14 Algebraic geometry 9,402
15 Linear and multilinear algebra; matrix theory 6,296
16 Associative rings and algebras 3,976
17 Nonassociative rings and algebras 3,237
18 Category theory, homological algebra 3,712
19 K-theory 2,402
20 Group theory and generalizations 7,914
22 Topological groups, Lie groups 6,311
26 Real functions 5,707
28 Measure and integration 6,183
30 Functions of a complex variable 6,500
31 Potential theory 1,979
32 Several complex variables and analytic spaces 4,312
33 Special functions 2,692
34 Ordinary differential equations 8,544
35 Partial differential equations 12,250
37 Dynamical systems and ergodic theory 5,224
39 Finite differences and functional equations 2,339
40 Sequences, series, summability 2,445
41 Approximations and expansions 3,019
42 Fourier analysis 5,334
43 Abstract harmonic analysis 2,540
44 Integral transforms, operational calculus 1,741
45 Integral equations 2,079
46 Functional analysis 8,728
47 Operator theory 5,547
49 Calculus of variations and optimal control; optimization 5,435
51 Geometry 6,350
52 Convex and discrete geometry 3,257
53 Differential geometry 8,669
54 General topology 4,594
55 Algebraic topology 5,893
57 Manifolds and cell complexes 5,738
58 Global analysis, analysis on manifolds 6,969
60 Probability theory and stochastic processes 9,428
62 Statistics 5,162
65 Numerical analysis 7,588
68 Computer science 8,721
70 Mechanics of particles and systems 3,111
74 Mechanics of deformable solids 1,482
76 Fluid mechanics 3,804
78 Optics, electromagnetic theory 1,633
80 Classical thermodynamics, heat transfer 1,202
81 Quantum theory 5,982
82 Statistical physics, structure of matter 2,311
83 Relativity and gravitational theory 3,163
85 Astronomy and astrophysics 1,824
86 Geophysics 938
90 Operations research, mathematical programming 5,025
91 Game theory, economics, social and behavorial sciences 4,341
92 Biology and other natural sciences 4,549
93 Systems theory; control 2,727
94 Information and communications, circuits 3,120
97 Mathematics education 7,428
2 digit classification Title TTL