On the semifree resolutions of DG algebras over the enveloping DG algebras

N Saeed, M Ono, Y Yoshino - Communications in Algebra, 2024 - Taylor & Francis
The goal of this paper is to construct a semifree resolution for a non-negatively graded
strongly commutative DG algebra B over the enveloping DG algebra B⊗ AB, where A⊆ B is …

Naïve liftings of DG modules

S Nasseh, M Ono, Y Yoshino - Mathematische Zeitschrift, 2022 - Springer
Let n be a positive integer, and let A be a strongly commutative differential graded (DG)
algebra over a commutative ring R. Assume that B= A [X 1,…, X n] is a polynomial extension …

Diagonal tensor algebra and naïve liftings

S Nasseh, M Ono, Y Yoshino - Journal of Pure and Applied Algebra, 2024 - Elsevier
The notion of naïve lifting of differential graded (DG) modules along certain DG algebra
extensions was introduced by the authors for the purpose of studying problems in …

Obstruction to naive liftability of DG modules

S Nasseh, M Ono, Y Yoshino - arXiv preprint arXiv:2109.00607, 2021 - arxiv.org
The notion of naive liftability of DG modules is introduced in [9] and [10]. In this paper, we
study the obstruction to naive liftability along extensions $ A\to B $ of DG algebras, where …

A lifting problem for DG modules

M Ono, Y Yoshino - Journal of Algebra, 2021 - Elsevier
Abstract Let B= A< X| d X= t> be an extended DG algebra by the adjunction of a variable of
positive even degree n, and let N be a semi-free DG B-module that is assumed to be …

Free resolutions for differential modules over differential algebras

T Kadeishvili, P Real - Journal of Mathematical Sciences, 2008 - Springer
FREE RESOLUTIONS FOR DIFFERENTIAL MODULES OVER DIFFERENTIAL ALGEBRAS T.
Kadeishvili and P. Real UDC 512.661.4 Page 1 Journal of Mathematical Sciences, Vol. 152 …

On commutative differential graded algebras

H Minamoto - arXiv preprint arXiv:1903.07514, 2019 - arxiv.org
In this paper we undertake a basic study on connective commutative differential graded
algebras (CDGA), more precisely, piecewise Noetherian CDGA, which is a DG-counter part …

Extension groups for DG modules

S Nasseh, S Sather-Wagstaff - Communications in Algebra, 2017 - Taylor & Francis
Let M and N be differential graded (DG) modules over a positively graded commutative DG
algebra A. We show that the Ext-groups Ext A i (M, N) defined in terms of semi-projective …

On the indecomposable elements of the bar construction

RM Hain - Proceedings of the American Mathematical Society, 1986 - ams.org
An explicit formula for a canonical splitting $ s: Q\mathcal {B}({\mathcal {E}^\cdot})\to\mathcal
{B}({\mathcal {E}^\cdot}) $ of the projection $\mathcal {B}({\mathcal {E}^\cdot})\to Q\mathcal …

Derived equivalences of upper triangular differential graded algebras

D Maycock - Communications in Algebra, 2011 - Taylor & Francis
This paper generalises a result for upper triangular matrix rings to the situation of upper
triangular matrix differential graded algebras. An upper triangular matrix DGA has the form …