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Unformatted text preview: connectivity of the network? 2. Now turn the topological analysis into a pseudo-dynamic one. Assume that initially only the node Bacteria is active. When a node is active, all its edges are also active. Assume that in order to activate a node at least half of the edges that activate it must be active, but even one active inhibition will inactivate the node regardless of the presence of activation. How will the activity propagate through the network, i.e. which nodes will be active/inactive at one step away from bacteria, two steps away, … ? At what steps do you need more information to decide what will happen next? Try to extract as much information from the graph as you can. By doing this you are predicting the extent to which the network topology determines the system’s dynamics. Extra credit: use programming/software for either problem (or both)....
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This document was uploaded on 03/01/2011.
- Fall '09