Jørgen S. Nørgård, Husholdninger og energi, Lyngby: Polyteknisk Forlag, 1979, 394 s. 115 kr.

The integral sum number of complete bipartite graphs Kr, s

A graph G=(V; E) is said to be an integral sum graph (sum graph) if its vertices can be given a labeling with distinct integers (positive integers), so that uv ∈ E if and only if u+ v ∈ V . The integral sum number (sum number) of a given graph G, denoted by (G) ( (G)), was de:ned as the smallest number of isolated vertices which when added to G result in an integral sum graph (sum graph). In th...

Chapter 2 . 1979 - 83 : Weak Agency and Labour ’ s

The period from 1979 to 1983 represented, in more ways than one, a nadir for the Labour Party. The 1974-9 government was brought down on a vote of no confidence following a winter of industrial action. Many felt that Callaghan should have called the election in late 1978, when Labour’s electoral prospects seemed better, and in hindsight it appears difficult to disagree. Nonetheless, on May 3, 1...

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