Free motion around black holes with discs or rings: between integrability and chaos–III

P Suková, O Semerák - Monthly Notices of the Royal …, 2013 - academic.oup.com
We continue the study of time-like geodesic dynamics in exact static, axially and reflection
symmetric space–times describing the fields of a Schwarzschild black hole surrounded by …

Chaotic and stochastic processes in the accretion flows of the black hole X-ray binaries revealed by recurrence analysis

P Suková, M Grzedzielski, A Janiuk - Astronomy & Astrophysics, 2016 - aanda.org
Aims. Both the well known microquasar GRS 1915+ 105, as well as its recently discovered
analogue, IGR J17091-3624, exhibit variability that is characteristic of a deterministic chaotic …

Response of a class of mechanical oscillators described by a novel system of differential-algebraic equations

J Málek, KR Rajagopal, P Suková - Applications of Mathematics, 2016 - Springer
We study the vibration of lumped parameter systems whose constituents are described
through novel constitutive relations, namely implicit relations between the forces acting on …

Geodesic Chaos in Perturbed Black-Hole Fields

P Suková, O Semerák - Relativity and Gravitation: 100 Years after Einstein …, 2014 - Springer
Dynamics of time-like geodesics in the static and axially symmetric field of a black hole
surrounded by a thin disc is studied by two recurrence methods, the recurrence plots (RPs) …