Characterizations of Ding injective complexes

G Yang, S Estrada - Bulletin of the Malaysian Mathematical Sciences …, 2020 - Springer
… Ding injective modules were defined in [13], and they were initially introduced as Gorenstein
… We use \(\mathrm{Hom}(X, Y)\) to present the group of all morphisms from X to Y. Recall that …

Smoothing toroidal crossing spaces

S Felten, M Filip, H Ruddat - Forum of Mathematics, Pi, 2021 - cambridge.org
Gorenstein, and we denote its dualising line bundle by . The boundary divisor in a Gorenstein
… to study log smooth morphisms for a fixed underlying morphism has been developed in [40…

A partial converse ghost lemma for the derived category of a commutative Noetherian ring

J Liu, J Pollitz - Proceedings of the American Mathematical Society, 2023 - ams.org
In this article a condition is given to detect the containment among thick subcategories of the
bounded derived category of a commutative noetherian ring. More precisely, for a …

Local to global principles for generation time over commutative Noetherian rings

JC Letz - arXiv preprint arXiv:1906.06104, 2019 - arxiv.org
… of the proof, as well as deduce a converse ghost lemma whenever the ring has a dualizing
complex. … Then the converse coghost lemma is stated, and a converse ghost lemma is proved. …

Tropical correspondence for smooth del Pezzo log Calabi-Yau pairs

T Graefnitz - arXiv preprint arXiv:2005.14018, 2020 - arxiv.org
… a Q-Gorenstein smoothing to X and D0 = ∂X0 is the toric boundary. … Dualizing, we obtain
a face morphism ση′ … by strata of X with face morphisms, hence gives a generalized cone …

Partial Serre duality and cocompact objects

S Oppermann, C Psaroudakis, T Stai - Selecta Mathematica, 2023 - Springer
… an object Y is cocompact if the natural morphismmorphism is invertible, so is the left
hand vertical one. Moreover, the left hand vertical morphism is the dual of the natural morphism

Finitistic dimensions over commutative DG-rings

I Bird, L Shaul, P Sridhar, J Williamson - arXiv preprint arXiv:2204.06865, 2022 - arxiv.org
… Evaluation morphisms. We finish this section by giving conditions under which certain natural
evaluation morphisms are isomorphisms. Some of these have appeared elsewhere in the …

Test Elements, Analogues of Tight Closure, and Size for Ideals

Z Jiang - 2021 - deepblue.lib.umich.edu
… For any flat K-algebra morphism R → R′ with geometrically … Gorenstein. In fact, all rings
we are working with in this chapter are excellent and reduced, hence, approximately Gorenstein

[HTML][HTML] K-flatness in Grothendieck categories: application to quasi-coherent sheaves

S Estrada, J Gillespie, S Odabaşi - Collectanea Mathematica, 2024 - Springer
… K-flat covers exist universally in the category of chain complexes and that the Verdier quotient
of \(K(\mathcal {G})\) by the K-flat … So by the snake lemma, the middle vertical morphism is …

The mirror clemens-schmid sequence

CF Doran, A Thompson - arXiv preprint arXiv:2109.04849, 2021 - arxiv.org
… The morphisms are all morphisms of mixed Hodge structures on the graded pieces of the
perverse Leray filtration; the dotted arrows denote the morphisms induced by composition with …