摘要
In this paper,we investigate the reverse order law for Drazin inverse of three bound-ed linear operators under some commutation relations.Moreover,the Drazin invertibility of sum is also obtained for two bounded linear operators and its expression is presented.
基金
supported by the NNSF of China(12261065)
the NSF of Inner Mongolia(2022MS01005)
the Basic Science Research Fund of the Universities Directly under the Inner Mongolia Autonomous Re-gion(JY20220084)
the Program for Innovative Research Team in Universities of Inner Mongolia Autonomous Region(NMGIRT2317).
