Henry Kempe
نویسندگان
چکیده
منابع مشابه
Kempe Equivalence of Colorings
Several basic theorems about the chromatic number of graphs can be extended to results in which, in addition to the existence of a kcoloring, it is also shown that all k-colorings of the graph in question are Kempe equivalent. Here, it is also proved that for a planar graph with chromatic number less than k, all k-colorings are Kempe equivalent.
متن کاملThe Kempe Family Stress Inventory: a review.
OBJECTIVE The objective of this article is to review the Kempe Family Stress Inventory (KFSI), a 10-item scale that measures risk for parenting difficulties based upon responses to a thorough psychosocial interview. The article provides a historical overview, as well as reviewing research regarding its reliability and validity. METHOD Research and documentation regarding the KFSI were gathere...
متن کاملP. F. Bonventre and L. L. Kempe
A study was made pertaining to the variations in sensitivity to inhibitors that may be encountered in industrial deterioration problems. The results indicate that at least three types of variations are involved: first, the variation in sensitivity of different strains, secondly, the variation in sensitivity of an individual strain, and finally, the variation produced by the particular environme...
متن کاملKempe Equivalence of Colourings of Cubic Graphs
Given a graph G = (V,E) and a proper vertex colouring of G, a Kempe chain is a subset of V that induces a maximal connected subgraph of G in which every vertex has one of two colours. To make a Kempe change is to obtain one colouring from another by exchanging the colours of vertices in a Kempe chain. Two colourings are Kempe equivalent if each can be obtained from the other by a series of Kemp...
متن کاملHenry Ormerod
at the age of 68, belonged to a family of surgeons. He was educated at the Bristol Royal Infirmary and Medical School, and very soon after qualifying he settled at Westbury. Although his capacity for work was immense, yet in the early years of his practice he had more than one attack of haemoptysis, and it was his opinion that leading a country open-air life had been the means of warding off mo...
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ژورنال
عنوان ژورنال: Archives of Disease in Childhood
سال: 1984
ISSN: 0003-9888,1468-2044
DOI: 10.1136/adc.59.7.688