Astronomy and Astrophysics – Astrophysics
Scientific paper
1999-11-16
Astronomy and Astrophysics
Astrophysics
15 pages, LaTeX, accepted to Complex Systems
Scientific paper
A parametric approach is developed to the method of S-tree diagrams and its generalization for investigation of the hierarchical substructure of $N$-body nonlinearly interacting systems (e.g., clusters of galaxies). The introduction of a parametric function allows us to take into account the individual features of the particles which do not have a direct influence on the dynamics of the system but are crucial for analyzing the output data. An algorithm is proposed for the latter based on the construction of parametrical subgroups. A generalization of the S-tree scheme is presented as well. This enables us to perform parallel substructure analysis with respect to various dependent or independent parameters, thus using fully the initial information of a system.
Bekarian Karen M.
Melkonian Anahit A.
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