منابع مشابه
Feodor Dragan
1 I n t r o d u c t i o n All graphs in this paper are connected and simple, i.e. finite, undirected, loopless and without multiple edges. In a graph G = (V, E) the length of a path from a vertex v to a vertex u is the number of edges in the path. The distance d(u, v) from vertex u to vertex v is the length of a minimum length path from u to v and the interval I(u, v) between these vertices is ...
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The editorial board lost a real soul mate when Maclyn McCarty passed away on January 2nd at age 93. While attending the theater with friends, one of the many activities that he enjoyed, he collapsed. “Dr. Mac” was revered worldwide for his remarkable experiments that led to the identification of DNA as the genetic material. This totally unanticipated discovery, and the revolutionary 1944 paper ...
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Sir Francis Galton [5] was a British science writer and amateur researcher of the late nineteenth century. He contributed greatly to the fields of statistics, experimental psychology and biometry. In the history of biology, Galton is widely regarded as the originator of the early twentieth century eugenics movement [6]. Galton published influential writings on nature versus nurturein human pers...
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ژورنال
عنوان ژورنال: Nature
سال: 1980
ISSN: 0028-0836,1476-4687
DOI: 10.1038/285177a0