نتایج جستجو برای: evolution

تعداد نتایج: 341553  

2009
N. R. Bogatyrev O. A. Bogatyreva

The concept of evolution in technology and biology is discussed. It appears that most of the evolution trends in technology and biology result from different development strategies. This conflict has roots from the time when technology emerged to adapt the environment for our needs. Following that strategy to full extent is dangerous. We need also to adapt to the environment, but current techno...

2012
Corrado Loglisci Michelangelo Ceci Donato Malerba

Most of the works on learning from networked data assume that the network is static. In this paper we consider a different scenario, where the network is dynamic, i.e. nodes/relationships can be added or removed and relationships can change in their type over time. We assume that the “core” of the network is more stable than the “marginal” part of the network, nevertheless it can change with ti...

Journal: :Current anthropology 2014
Claes Andersson Anton Törnberg Petter Törnberg

Evolutionary developmental theories in biology see the processes and organization of organisms as crucial for understanding the dynamic behavior of organic evolution. Darwinian forces are seen as necessary but not sufficient for explaining observed evolutionary patterns. We here propose that the same arguments apply with even greater force to culture vis-à-vis cultural evolution. In order not t...

2003
Chandra Sekhar Sripada Stephen Stich

For about 2500 years, from Plato’s time until the closing decades of the 20 century, the dominant view was that the emotions are quite distinct from the processes of rational thinking and decision making, and are often a major impediment to those processes. But in recent years this orthodoxy has been challenged in a number of ways. Damasio (1994) has made a forceful case that the traditional vi...

2006
Jeppe R. Andersen

We calculate the quark–anti-quark contribution to the next-to-leading logarithmic corrections to the BFKL kernel, retaining the dependence on the momenta of the produced particles. This allows us to study the details of the NLL corrections. We demonstrate that the standard calculation of the NLL corrections to the scattering of two off-shell gluons includes contributions from energies far above...

2009
NGUYEN VAN MINH STEFAN SIEGMUND

In this paper we consider the existence and uniqueness of bounded solutions of periodic evolution equations of the form u = A(t)u + ǫH(t, u) + f(t), where A(t) is an in general unbounded operator depending 1-periodically on t, H is periodic in t with the same period as A, ǫ is small, and f is a bounded and continuous function that is not necessarily uniformly continuous. We propose a new approa...

2003
C. Sivakumar Moncy V. John K. Babu

We develop a stochastic formulation of cosmology in the early universe, after considering the scatter in the redshift-apparent magnitude diagram in the early epochs as an observational evidence for the non-deterministic evolution of early universe. We consider the stochastic evolution of density parameter in the early universe after the inflationary phase qualitatively, under the assumption of ...

Journal: :Proceedings. Biological sciences 2014
Michael Muthukrishna Ben W Shulman Vlad Vasilescu Joseph Henrich

Archaeological and ethnohistorical evidence suggests a link between a population's size and structure, and the diversity or sophistication of its toolkits or technologies. Addressing these patterns, several evolutionary models predict that both the size and social interconnectedness of populations can contribute to the complexity of its cultural repertoire. Some models also predict that a sudde...

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