681,840 research outputs found
The astrophysical science case for a decihertz gravitational-wave detector
We discuss the astrophysical science case for a decihertz gravitational-wave
mission. We focus on unique opportunities for scientific discovery in this
frequency range, including probes of type IA supernova progenitors, mergers in
the presence of third bodies, intermediate mass black holes, seeds of massive
black holes, improved sky localization, and tracking the population of merging
compact binaries
Linking Literature and Data: Status Report and Future Efforts
In the current era of data-intensive science, it is increasingly important
for researchers to be able to have access to published results, the supporting
data, and the processes used to produce them. Six years ago, recognizing this
need, the American Astronomical Society and the Astrophysics Data Centers
Executive Committee (ADEC) sponsored an effort to facilitate the annotation and
linking of datasets during the publishing process, with limited success. I will
review the status of this effort and describe a new, more general one now being
considered in the context of the Virtual Astronomical Observatory.Comment: 9 pages, 2 figures, to appear in: Future Professional Communication
in Astronomy II (FPCA-II
On the dependence of third- and fourth-order moments on stability in the turbulent boundary layer
In this short review it is suggested that the relationship between third- and
fourth-order moments of turbulence in the atmospheric boundary layer depends on
stability. This can explain some differences among datasets, and provides a key
point for modelling improvement.Comment: 9 pages, 2 figure
Conformity-Driven Agents Support Ordered Phases in the Spatial Public Goods Game
We investigate the spatial Public Goods Game in the presence of
fitness-driven and conformity-driven agents. This framework usually considers
only the former type of agents, i.e., agents that tend to imitate the strategy
of their fittest neighbors. However, whenever we study social systems, the
evolution of a population might be affected also by social behaviors as
conformism, stubbornness, altruism, and selfishness. Although the term
evolution can assume different meanings depending on the considered domain,
here it corresponds to the set of processes that lead a system towards an
equilibrium or a steady-state. We map fitness to the agents' payoff so that
richer agents are those most imitated by fitness-driven agents, while
conformity-driven agents tend to imitate the strategy assumed by the majority
of their neighbors. Numerical simulations aim to identify the nature of the
transition, on varying the amount of the relative density of conformity-driven
agents in the population, and to study the nature of related equilibria.
Remarkably, we find that conformism generally fosters ordered cooperative
phases and may also lead to bistable behaviors.Comment: 13 pages, 5 figure
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