The Profile Minimization Problem in Trees
SIAM Journal on Computing
On the bandwidth of triangulated triangles
Selected papers of the 14th British conference on Combinatorial conference
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
A survey of solved problems and applications on bandwidth, edgesum, and profile of graphs
Journal of Graph Theory
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Given graph G=(V,E) on n vertices, the profile minimization problem is to find a one-to-one function f: V → {1,2,.....,n} such that Σv ∈ V(G){f(v)-minx ∈ N[v] f(x)} is as small as possible, where N[v] = {v} ∪ {x:x is adjacent to v} is the closed neighborhood of v in G. The trangulated triangle Tl is the graph whose vertices are the triples of non-negative integers summing to l, with an edge connecting two triples if they agree in one coordinate and differ by 1 in the other two coordinates. This paper provides a polynomial time algorithm to solve the profile minimization problem for trangulated triangles Tl with side-length l.