Visualizing Co-phylogenetic Reconciliations

Calamoneri, Tiziana and Di Donato, Valentino and Mariottini, Diego and Patrignani, Maurizio (2017) Visualizing Co-phylogenetic Reconciliations. In: Graph Drawing and Network Visualization. GD 2017, September 25-27 , pp. 334-350(Official URL: https://doi.org/10.1007/978-3-319-73915-1_27).

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Abstract

We introduce a hybrid metaphor for the visualization of the reconciliations of co-phylogenetic trees, that are mappings among the nodes of two trees. The typical application is the visualization of the co-evolution of hosts and parasites in biology. Our strategy combines a space-filling and a node-link approach. Differently from traditional methods, it guarantees an unambiguous and ‘downward’ representation whenever the reconciliation is time-consistent (i.e., meaningful). We address the problem of the minimization of the number of crossings in the representation, by giving a characterization of planar instances and by establishing the complexity of the problem. Finally, we propose heuristics for computing representations with few crossings.

Item Type: Conference Paper
Classifications: M Methods > M.900 Tree
P Styles > P.999 Others
URI: http://gdea.informatik.uni-koeln.de/id/eprint/1614

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