Corrigendum to 'Mapping cones for morphisms involving a band complex in the bounded derived category of a gentle algebra' [J. Algebra 530 (2019) 163–194]

Autor:	David Pauksztello, Ilke Canakci, Sibylle Schroll
Rok vydání:	2021
Předmět:	Derived category Pure mathematics Algebra and Number Theory 010102 general mathematics 01 natural sciences Mapping cone (homological algebra) Two band Morphism Bounded function 0103 physical sciences 010307 mathematical physics 0101 mathematics Algebra over a field Indecomposable module Mathematics
Zdroj:	Journal of Algebra. 569:856-874
ISSN:	0021-8693
Popis:	In this note we correct two oversights in Canakci et al. (2019) [6] which only occur when a band complex is involved. As a consequence we see that the mapping cone of a morphism between two band complexes can decompose into arbitrarily many indecomposable direct summands.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b43662eb7ec969ffcf471e3ae6dedf80 https://doi.org/10.1016/j.jalgebra.2020.08.005 Zobrazit plný text záznamu Full Text from ScienceDirect