Browse the 2000 MSC

04-xx	This section has been deleted {For set theory see 03Exx }
05-xx	Combinatorics {For finite fields, see  11Txx }
11-xx	Number theory
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 }
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 }
52-xx	Convex and discrete geometry
57-xx	Manifolds and cell complexes {For complex manifolds, see 32Qxx }
60-xx	Probability theory and stochastic processes {For additional applications, see 11Kxx, 62-xx, 90-xx, 91-xx, 92-xx, 93-xx, 94-xx ]
68-xx	Computer science {For papers involving machine computations and programs in a specific mathematical area, see Section -04 in that area}
81-xx	Quantum theory
94-xx	Information and communication, circuits