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Unbiased Cultural Transmission in Time-Averaged Archaeological Assemblages
cultural transmission Wright-Fisher model time-averaging
2012/4/20
Unbiased models are foundational in the archaeological study of cultural transmission. Applications have as- sumed that archaeological data represent synchronic samples, despite the accretional nature...
Opinion formation in time-varying social networks: The case of Naming Game
Opinion formation time-varying social networks The case of Naming Game Social and Information Networks
2012/4/19
We study the dynamics of the Naming Game as an opinion formation model on time-varying social networks. This agent-based model captures the essential features of the agreement dynamics by means of a m...
Evolution of Photonic Time Stretch: From Analog to Digital Conversion to Blood Screening
Photonic Digital Conversion Blood Screening
2011/9/6
We show how the ability to slow down, amplify, and capture fast transient events can produce high-throughput real-time instruments ranging from digitizers to imaging flow cytometers for detection of r...
Comparing space+time decompositions in the post-Newtonian limit
Comparing space+time decompositions the post-Newtonian limit
2010/12/27
We compare the Arnowitt-Deser-Misner (ADM) field decomposition with the Non-Relativistic Gravitational (NRG) fields for the purpose of computing the two-body post-Newtonian (PN) effective action withi...
Space-Time Compactification, Non-Singular Black Holes, Wormholes and Braneworlds via Lightlike Branes
Space-Time Compactification Non-Singular Black Holes
2010/12/24
We describe a concise general scheme for constructing solutions of Einstein-Maxwell-Kalb-Ramond gravity-matter system in bulk space-time interacting self-consistently with one or more (widely separate...
Time-dependent Radiation Transfer in the Internal Shock Model Scenario for Blazar Jets
Time-dependent Radiation the Internal Shock Model
2010/12/27
We describe the time-dependent radiation transfer in blazar jets, within the internal shock model. We assume that the central engine, which consists of a black hole and an accretion disk, spews out re...
Time scales of epidemic spread and risk perception on adaptive networks
epidemic spread risk perception adaptive networks
2010/11/16
Incorporating dynamic contact networks and delayed awareness into a contagion model with memory, we study the spreading patterns of infectious diseases in connected populations. It is found that the ...
An effective approach to the problem of time: general features and examples
effective time general features examples
2010/12/20
The effective approach to quantum dynamics allows a reformulation of the Dirac quantization
procedure for constrained systems in terms of an infinite-dimensional constrained system of classical type....
We consider devices with two inputs and two outputs, Alice and Bob each having access to one input and one output. To such a device we associate time-reverses by exchanging the roles of the inputs an...
Influence of measurement on the life-time and the line-width of unstable systems
Influence life-time line-width unstable systems
2010/10/13
We investigate the quantum Zeno effect in the case of electron tunneling out of a quantum
dot in the presence of continuous monitoring by a detector. It is shown that the Schr¨odinger
equation for t...