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< 13Axx | 13-XX | 13Cxx >
13-XX Commutative algebra
13Bxx Ring extensions and related topics
13B02   Extension theory
13B05   Galois theory
13B10   Morphisms
13B21   Integral dependence; going up, going down
13B22   Integral closure of rings and ideals [See also 13A35]; integrally closed rings, related rings (Japanese, etc.)
13B25   Polynomials over commutative rings [See also 11C08, 11T06, 13F20, 13M10]
13B30   Rings of fractions and localization [See also 16S85]
13B35   Completion [See also 13J10]
13B40   √Čtale and flat extensions; Henselization; Artin approximation [See also 13J15, 14B12, 14B25]
13B99   None of the above, but in this section
< 13Axx | 13-XX | 13Cxx >
American Mathematical Society