References
- R. Antoine, Nilpotent elements and Armendariz rings, J. Algebra 319 (2008), 3128-3140. https://doi.org/10.1016/j.jalgebra.2008.01.019
- K.J. Choi, T.K. Kwak, Y. Lee, Reversibility and symmetry over centers, J. Korean Math. Soc. 56 (2019), 723-738. https://doi.org/10.4134/JKMS.j180364
- J. Huang, H.-l. Jin, T.K. Kwak, Y. Lee, and Z. Piao, Remarks on centers of rings, Algebra Colloq. (To appear).
- T.K Kwak, Y. Lee, Y. Seo, On commutativity of regular products, Bull. Korean Math. Soc. 55 (2018) 1713-1726. https://doi.org/10.4134/BKMS.B171018