Relative singularity categories with respect to Gorenstein flat modules

ZX Di, ZK Liu, XX Zhang - Acta Mathematica Sinica, English Series, 2017 - Springer
… To prove our main result, Theorem 4.5, appearing in the next section we investigate further
the Gorenstein flat dimension and the cotorsion dimension of a complex. In particular, Lemma …

Coherent analogues of matrix factorizations and relative singularity categories

AI Efimov, L Positselski - Algebra & Number Theory, 2015 - msp.org
… We define the triangulated category of relative singularities of a closed … The appropriate
exotic derived category of coherent matrix … For any closed subscheme of finite flat dimension in a …

[引用][C] Gorenstein -flat dimension of complexes and relative singularity categories

W Chen - Journal of Algebra and Its Applications, 2023 - World Scientific
… We construct the relative singularity category with respect to Gorenstein (L,A)-flat modules,
as the … (L,A)-flat dimension and cotorsion dimension by the bounded homotopy category of …

[HTML][HTML] Relative singularity categories

H Li, Z Huang - Journal of Pure and Applied Algebra, 2015 - Elsevier
… We study the properties of the relative derived category D C b ( A ) of an abelian category A
relative to … We introduce a dimension denoted by C D -dim M which is called the C -proper D -…

[HTML][HTML] Relative singularity categories I: Auslander resolutions

M Kalck, D Yang - Advances in Mathematics, 2016 - Elsevier
singularity with a non-commutative resolution A = End R ( R ⊕ M ) . In this paper, we show
that the relative singularity category … for the complex ADE-singularities in all Krull dimensions. …

[PDF][PDF] Coherent analogues of matrix factorizations and relative singularity categories

L Positselski - arXiv preprint arXiv:1102.0261, 2011 - Citeseer
flat dimension between schemes of finite Krull dimension, and the pushforwards of locally
free matrix factorizations of finite rank for any such morphism for which the induced morphism …

Relative singularity categories and Gorenstein‐projective modules

XW Chen - Mathematische Nachrichten, 2011 - Wiley Online Library
dimensional algebras, this quotient category appeared in Rickard's work where he proved
that the singularity category … ring R, every flat module has finite projective dimension by [11, …

On the structure of dg categories of relative singularities

M Pippi - arXiv preprint arXiv:1911.01332, 2019 - arxiv.org
dimensional affine Landau-Ginzburg model over S. Then every object in the dg category of
relative singularities … . As we are considering locally flat dg categories, it is immediate that this …

Singularity categories and singular equivalences for resolving subcategories

H Matsui, R Takahashi - Mathematische Zeitschrift, 2017 - Springer
… We consider when the singularity category is triangle equivalent to the stable category of …
A regular (respectively, Gorenstein) category \(\mathcal {C}\) is called of dimension at most n if …

On purity and applications to coderived and singularity categories

J Stovicek - arXiv preprint arXiv:1412.1615, 2014 - arxiv.org
… finite projective dimension, then also the derived category of G … ], and so m has infinite pure
projective dimension in A = Flat-R. … We denote the class of relative I-cell complexes by I-cell. …