A collection of algorithmic and complexity results for variants of the Firefighter Problem
Date
2011-09-02
Authors
Duffy, Christopher
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Abstract
The Firefighter Process models the spread and defence of a fire using a simple graph. We consider the following discrete-time process: at t = 0 some vertex of the graph begins burning. At each subsequent step we may defend a vertex from burning and the fire spreads from all burning vertices to all undefended neighbours. We consider the related problems of maximising the number of saved vertices, protecting a specified set from burning and maximising the weight of the saved vertices. We close three open problems concerning these decision problems and their related optimisation problems using the notion of a strategy, the sequence of defended vertices.
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Keywords
Graph Theory, Complexity, Firefighter