Twisted Calabi-Yau property of Ore extensions

L. -Y. Liu, S. -Q. Wang, Q. -S. Wu

Suppose that $E=A[x;\sigma ,\delta ]$ is an Ore extension with $\sigma$ an automorphism. It is proved that if $A$ is twisted Calabi-Yau of dimension $d$, then $E$ is twisted Calabi-Yau of dimension…