On Gorenstein projective, injective and flat dimensions-a functorial description with applications

LW Christensen, A Frankild, H Holm - arXiv preprint math/0403156, 2004 - arxiv.org
… projective, injective and flat dimensions, we present a few applications. … functor. We give
proofs for the results regarding the covariant Hom functor; those on the contravariant functor

An Elementary Account of Flat 2-Functors

M Lambert - 2019 - dalspace.library.dal.ca
… -valued 2-functor on a 2-category is defined to be flat in terms of a … 2-fibration for 2-dimensional
generalization. This will be a 2-… The point is that the latter description admits of an internal …

On Gorenstein flat dimension

S Bouchiba - Journal of Algebra and its Applications, 2015 - World Scientific
… the Gorenstein flat dimension except … flat dimension of a module M is finite, one cannot
express GfdR(M) in terms of the vanishing of the Tor functor or Gorenstein flatness of yokes of flat

The flat deformation functor

B Conrad - Modular forms and Fermat's last theorem, 1997 - Springer
… the 'fiat' deformation functor, as we shall see. The convenience of the general description of
the … tative Q~n_group scheme associated to V, so the k-action on the (onedimensional) flat Ip-…

[PDF][PDF] On the notion of 2-flat 2-functors

ME Descotte, EJ Dubuc, M Szyld - to appear, 2016 - academia.edu
… the 2-dimensional theory of flat functors. We define a 2-functor Ap −→ Cat to be flat when its
… notion of flat 2-functor, and we use in this paper σ-limits that are neither lax nor pseudolimits. …

[PDF][PDF] Flat surfaces and stability structures

F Haiden, L Katzarkov, M Kontsevich - Publications mathématiques de …, 2017 - numdam.org
… Explicit descriptions of M(S) when S is a disk or annulus are … and denote their 0- and 1-dimensional
strata by ∂0S and ∂1S … Applying the functor f∗ we thus find that Y is isomorphic to a …

[PDF][PDF] Good formal structures for flat meromorphic connections, III: Towards functorial modifications

KS Kedlaya - Citeseer
… In particular, it leads to a coherent description of the Stokes phenomenon, ie, the fact that …
-dimensional analogues of the Hukuhara-Levelt-Turrittin decomposition for irregular flat formal …

Relative FP-injective and FP-flat complexes and their model structures

T Zhao, MA Pérez - Communications in Algebra, 2019 - Taylor & Francis
functorial descriptions for the FP n -injective dimension of complexes in terms of the functor
… of the injective and FP-injective dimensions of complexes proved by García Rozas in [Citation…

[PDF][PDF] When the flat and Gorenstein flat dimensions coincide?

S Bouchiba - Colloq. Math, 2017 - researchgate.net
… such that F remains exact after applying the functor I ⊗R − for each injective right R-module
I and M := Im(F0 → F-1). These new concepts allowed Enochs and Jenda [14] to introduce …

[PDF][PDF] When projective does not imply flat, and other homological anomalies

LG Lewis Jr - Theory Appl. Categ, 1999 - epe.lac-bac.gc.ca
… for the good behavior of functor categories. When the domain … sections contain more detailed
descriptions of our families of … structure like that for finite dimensional vector spaces; the …