منابع مشابه
Spatial distribution of persistent sites
We study the distribution of persistent sites (sites unvisited by particles A) in one dimensional A + A → ∅ reaction-diffusion model. We define the empty intervals as the separations between adjacent persistent sites, and study their size distribution n(k, t) as a function of interval length k and time t. The decay of persistence is the process of irreversible coalescence of these empty interva...
متن کاملSpatial distribution of Paleolithic sites in Bose Basin, Guangxi, China
The Paleolithic stone tool industry from the Bose Basin (Guangxi, China) is best known for the presence of Acheulean-like bifacially and unifacially-worked handaxes found in the same horizon with tektites dated to 803,000 BP. One point that is often not included in discussion of the Bose lithics is the variability in the distribution of sites and artifacts across the basin. This paper reports t...
متن کاملhierarchical system and spatial distribution of parthian sites in the sistan plain
in iranian archaeology, sistan played an important role especially in the parthian period. this region is well known since it was cross road for greeksto reach the east, a place for scythians arrival, the presence of powerful suren pahlav clan and the place of epic and heroic tales. during the parthian era favorable environmental conditions of sistan caused to arise many of towns and settlement...
متن کاملSpatial Distribution of Premature Infant Mortality in 2000-2017
Background The provision, maintenance and promotion of the health of infants as a vulnerable group in health care services are a high priority, and the first step in reducing infant mortality and improving their health is undoubtedly the identification of their mortality status. We aimed to study the spatial distribution of premature infant mortality in 194 count...
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ژورنال
عنوان ژورنال: Journal of Physics A: Mathematical and General
سال: 2000
ISSN: 0305-4470,1361-6447
DOI: 10.1088/0305-4470/33/31/304