Vortrag: Powers of irreducibles in rings of integer-valued polynomials
Stammdaten
Titel: | Powers of irreducibles in rings of integer-valued polynomials |
Beschreibung: | Non-unique factorization of elements into irreducibles has been observed in the ring of integer-valued polynomials and its generalizations. It is known that every (multi-)set consisting of integers greater than 1 can be realized as the (multi-)set of lengths of an integer-valued polynomial over a Dedekind domain with infinitely many maximal ideals whose residue fields are finite. Moreover, under the same assumptions on Int(D), is not transfer Krull. The proofs of these two statements are build on the constructions of integer-valued polynomial whose factorization behaviour can be fully controlled. For this, it is crucial to avoid the situation of a factorization in which an irreducible factor occurs more than once. This is because in non-unique factorization domains there is in general no saying how the powers of an irreducible element factor. From a factorization-theoretic point of view, one wants therefore identify those elements among the irreducibles whose powers factor uniquely. We call such elements absolutely irreducible. This talk provides an overview on recent results characterizing absolutely irreducible elements in rings of integer-valued polynomials. The results presented in this talk are joint work with S. Frisch, M. Hiebler, S. Nakato, and D. Windisch. |
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Typ: | Vortrag auf Einladung |
Homepage: | https://www.jointmathematicsmeetings.org/meetings/national/jmm2024/2300_program.html |
Veranstaltung: | Joint Mathematics Meeting 2024 (San Francisco) |
Datum: | 05.01.2024 |
Vortragsstatus: | stattgefunden (Präsenz) |
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Fakultät für Technische Wissenschaften
Institut für Mathematik
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AT - 9020 Klagenfurt am Wörthersee |
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