摘要：We study the X-ray emission of the microquasar XTE J1550-564 and analyze the properties
of its light curves using the recurrence analysis method. The indicators for non-linear
dynamics of the accretion flow are found in the very high state and soft state of this
source. The significance of deterministic variability depends on the energy band. We
discuss the non-linear dynamics of the accretion flow in the context of the disc-corona
geometry and propagating oscillations in the accretion flow.
