# David J. Erwin

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- Jean E. Dunbar, David J. Erwin, Teresa W. Haynes, Sandra Mitchell Hedetniemi, Stephen T. Hedetniemi
- Discrete Applied Mathematics
- 2006

We say that a function f : V → {0, 1, . . . , diam(G)} is a broadcast if for every vertex v ∈ V , f(v) ≤ e(v), where diam(G) denotes the diameter of G and e(v) denotes the eccentricity of v. The cost of a broadcast is the value f(V ) = Σv∈V f(v). In this paper we introduce and study the minimum and maximum costs of several types of broadcasts in graphs,… (More)

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