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pro vyhledávání: '"A. Hatna"'
We present a differential equations model in which contagious disease transmission is affected by contagious fear of the disease and contagious fear of the control, in this case vaccine. The three contagions are coupled. The two fears evolve and inte
Externí odkaz:
http://arxiv.org/abs/2102.11045
We study the scaling of (i) numbers of workers and aggregate incomes by occupational categories against city size, and (ii) total incomes against numbers of workers in different occupations, across the functional metropolitan areas of Australia and t
Externí odkaz:
http://arxiv.org/abs/1910.07166
Autor:
Hatna, Erez
According to the theory of urban scaling, urban indicators scale with city size in a predictable fashion. In particular, indicators of social and economic productivity are expected to have a superlinear relation. This behavior was verified for many u
Externí odkaz:
http://arxiv.org/abs/1702.06623
Akademický článek
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Publikováno v:
Cottineau, C., Finance, O., Hatna, E., Arcaute, E., & Batty, M. (2018). Defining urban clusters to detect agglomeration economies. Environment and Planning B: Urban Analytics and City Science, 2399808318755146
Agglomeration economies are a persistent subject of debate among economists and urban planners. Their definition turns on whether or not larger cities and regions are more efficient and more productive than smaller ones. We complement existing discus
Externí odkaz:
http://arxiv.org/abs/1601.05664
Scaling laws are powerful summaries of the variations of urban attributes with city size. However, the validity of their universal meaning for cities is hampered by the observation that different scaling regimes can be encountered for the same territ
Externí odkaz:
http://arxiv.org/abs/1507.07878
Autor:
Arcaute, Elsa, Molinero, Carlos, Hatna, Erez, Murcio, Roberto, Vargas-Ruiz, Camilo, Masucci, A. Paolo, Batty, Michael
Publikováno v:
R. Soc. open sci. 3: 150691, 2016
Urban systems present hierarchical structures at many different scales. These are observed as administrative regional delimitations which are the outcome of complex geographical, political and historical processes which leave almost indelible footpri
Externí odkaz:
http://arxiv.org/abs/1504.08318
Publikováno v:
Journal of The Royal Society Interface, 12(111), 20150763 (2015)
Urban morphology has presented significant intellectual challenges to mathematicians and physicists ever since the eighteenth century, when Euler first explored the famous Konigsberg bridges problem. Many important regularities and scaling laws have
Externí odkaz:
http://arxiv.org/abs/1504.07380