3 papers
math.RA2019
Some dimensions of DG polynomial algebras
Xuefeng Mao, Maoyun Zhang
Assume that is a cochain DG polynomial algebra such that its underlying graded algebra $\mathcal{A}^{#}$ is a polynomial algebra generated by degree elements.…
math.RA2018
Isomorphism problem and homological properties of DG free algebras
X. -F. Mao, J. -F. Xie, Y. -N. Yang +1
A differential graded (DG for short) free algebra is a connected cochain DG algebra such that its underlying graded algebra is $$\mathcal{A}^{\#}=\k\langle x_1,x_2,\c…
math.RA2018
Derived Picard groups of homologically smooth Koszul DG algebras
Xuefeng Mao, Yinuo Yang, Jiwei He
In this paper, we show that the derived Picard group of a homologically smooth Koszul connected cochain DG algebra is isomorphic to the opposite group of the derived Picard group o…