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20092026
most citedLDConv: Linear deformable convolution for improving convolutional neural networks

216 citations

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math.KT2022★ 1 cited

Gorenstein cohomological dimension and stable categories for groups

Wei Ren

First we study the Gorenstein cohomological dimension of groups over coefficient rings , under changes of groups and rings; a characterization for finiteness…

math.KT2022★ 4 cited

Frobenius functors, stable equivalences and -theory of Gorenstein projective modules

Wei Ren

Owing to the difference in -theory, an example by Dugger and Shipley implies that the equivalence of stable categories of Gorenstein projective modules should not be a Quillen e…

math.KT2019★ 4 cited

On pure derived and pure singularity categories

Tianya Cao, Wei Ren

Firstly, we compare the bounded derived categories with respect to the pure-exact and the usual exact structures, and describe bounded derived category by pure-projective modules,…

math.KT2019

Quillen equivalence of singular model categories

Wei Ren

Let be a left-Gorenstein ring. We show that there is a Quillen equivalence between singular contraderived model category and singular coderived model category. Consequently, an…

math.KT2018★ 9 cited

Gorenstein projective and injective dimensions over Frobenius extensions

Wei Ren

Let be a Frobenius extension of rings. We prove that: (1) for any left -module , is Gorenstein projective (injective) if and only if the underlying left…

math.KT2017★ 1 cited

Gorenstein projective modules and Frobenius extensions

Wei Ren

We prove that for a Frobenius extension, if a module over the extension ring is Gorenstein projective, then its underlying module over the the base ring is Gorenstein projective; t…

math.KT2014★ 2 cited

Applications of cotorsion triples

Wei Ren

We study homotopy categories of model categories arising from a cotorsion triple, and the equivalences between corresponding stable categories. We characterize homological dimensio…