A tree network, or star-bus network, is a hybrid network topology in which star networks are interconnected via bus networks. Tree networks are hierarchical, and each node can have an arbitrary number of child nodes.
Regular tree networksEdit
A regular tree network's topology is characterized by two parameters: the branching, , and the number of generations, . The total number of the nodes, , and the number of peripheral nodes , are given by 
Tools to deal with networksEdit
A group at MIT has developed a set of functions for Matlab that can help in analyzing the networks. These tools could be used to study the tree networks as well.
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- Kromer, J.; Khaledi-Nasab, A; Schimansky-Geier, L.; Neiman, A.B (2017). "Emergent stochastic oscillations and signal detection in tree networks of excitable elements". Scientific Reports. 7. arXiv:1701.01693. doi:10.1038/s41598-017-04193-8.