Constructing almost rigid rings and a UFD having infinitely generated Derksen and Makar-Limanov invariant - Mathematics > Algebraic GeometryReportar como inadecuado




Constructing almost rigid rings and a UFD having infinitely generated Derksen and Makar-Limanov invariant - Mathematics > Algebraic Geometry - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Abstract: An example is given of a UFD which has infinitely generated Derkseninvariant. The ring is \textquotedblleft almost rigid\textquotedblright\meaning that the Derksen invariant is equal to the Makar-Limanov invariant.Techniques to show that a ring is almost rigid are discussed, among which isa generalization of Mason-s abc-theorem.



Autor: David Finston, Stefan Maubach

Fuente: https://arxiv.org/



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