-
16S10
Rings determined by universal properties (free algebras, coproducts, adjunction of inverses, etc.)
-
16S15
Finite generation, finite presentability, normal forms (diamond lemma, term-rewriting)
-
16S20
Centralizing and normalizing extensions
-
16S30
Universal enveloping algebras of Lie algebras [See mainly
17B35]
-
16S32
Rings of differential operators [See also
13N10,
32C38]
-
16S34
Group rings [See also
20C05,
20C07], Laurent polynomial rings
-
16S35
Twisted and skew group rings, crossed products
-
16S36
Ordinary and skew polynomial rings and semigroup rings [See also
20M25]
-
16S37
Quadratic and Koszul algebras
-
16S38
Rings arising from non-commutative algebraic geometry [See also
14A22]
-
16S40
Smash products of general Hopf actions [See also
16T05]
-
16S50
Endomorphism rings; matrix rings [See also
15-XX]
-
16S60
Rings of functions, subdirect products, sheaves of rings
-
16S70
Extensions of rings by ideals
-
16S80
-
16S85
Rings of fractions and localizations [See also
13B30]
-
16S90
Torsion theories; radicals on module categories [See also
13D30,
18E40] {For radicals of rings, see
16Nxx}
-
16S99
None of the above, but in this section