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Krull domains and monoids, their sets of lengths, and associated combinatorial problems. (English) Zbl 0897.13001
Anderson, Daniel D. (ed.), Factorization in integral domains. Based on the proceedings of the conference, March 21, 1996, and the special session in commutative ring theory, March 22–23, 1996, at the 909th meeting of the American Mathematical Society, Iowa City, IA, USA. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 189, 73-112 (1997).
This paper is a survey on the theory of non-unique factorization concerning factorizations in Krull domains with finite divisor class group but restricting the interest to sets of lengths and the invariants derived from them. The language used in the paper is the one of monoids. So after discussing sets of lengths for Krull monoids in section 2, section 3 is devoted to study block monoids which allow to reduce ring theoretical problems to problems in finitely generated monoids. Finally some analytical aspects of non-unique factorization are summarized in section 4.
For the entire collection see [Zbl 0865.00039].

MSC:
13A05 Divisibility and factorizations in commutative rings
13F15 Commutative rings defined by factorization properties (e.g., atomic, factorial, half-factorial)
13G05 Integral domains
11R27 Units and factorization
13F05 Dedekind, Prüfer, Krull and Mori rings and their generalizations
20M05 Free semigroups, generators and relations, word problems
20M14 Commutative semigroups
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