搜索结果: 1-15 共查到“Robertson D.H.”相关记录20条 . 查询时间(0.107 秒)
近日，澳大利亚默多克大学名誉教授、华中农业大学湖北百人计划教授Ian Duncan Robertson做客动科动医“创新、创造、创业”高端论坛，带来题为《The power of epidemiology in disease control. A case study of bovine brucellosis》的讲座。Robertson以问答的形式展开讲座。为什么要控制疾病？因为控制疾病可以提...
为充分描述异质交通流条件下的车队离散规律，为信号协调控制提供理论基础，结 合异质交通流条件下的车流特征和Robertson 模型计算速度快的优点，对多股交通流分别建 模，并在此基础上构建异质交通流车队流量离散模型.通过实际调查数据，分析下游交叉口到 达流率分布与上游交叉口离去流率分布之间的关系，并将本文模型和Robertson 模型与实际 数据进行比较分析.结果表明，与Robertson 模型相比...
Associate Professor Emily Robertson，The Philosophy Department at Syracuse University （图）
Associate Professor Emily Robertson The Philosophy Department at Syracuse University philosophy
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2014/11/7
Emily Robertson is Dual Associate Professor of Education and Philosophy in the School of Education and the College of Arts and Sciences at Syracuse University . She has served as Associate Dean for Ac...
A No-Go Theorem for the Consistent Quantization of the Massive Gravitino on Robertson-Walker Spacetimes and Arbitrary Spin 3/2 Fields on General Curved Spacetimes
No-Go Theorem the Consistent Quantization the Massive Gravitino Robertson-Walker Spacetimes General Curved Spacetimes
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2011/7/29
Abstract: We first introduce a set of conditions which assure that a free spin $\frac32$ field with $m\ge 0$ can be consistently ('unitarily') quantized on all curved spacetimes, i.e. also on spacetim...
Relative velocities for radial motion in expanding Robertson-Walker spacetimes
Robertson-Walker cosmology Fermi relative velocity kinematic relative velocity astrometric relative velocity
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2011/7/28
Abstract: The expansion of space, and other geometric properties of cosmological models, can be studied using geometrically defined notions of relative velocity. In this paper, we consider test partic...
Optimal entanglement witnesses from generalized reduction and Robertson maps
Optimal entanglement witnesses generalized reduction Robertson maps
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2011/3/4
We provide a generalization of the reduction and Robertson positive maps in matrix algebras. They give rise to a new class of optimal entanglement witnesses. Their structural physical approximation is...
Fermi coordinates, simultaneity, and expanding space in Robertson-Walker cosmologies
Fermi coordinates simultaneity
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2011/1/13
Explicit Fermi coordinates are given for geodesic observers comoving with the Hubble flow in expanding Robertson-Walker spacetimes, along with exact expressions for the metric tensors in Fermi coordin...
Fine structure of the Poynting-Robertson effect for a luminous spinning relativistic star
Fine structure the Poynting-Robertson effect
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2010/12/27
As a sequel to our recent works challenging toward the systematic inclusion of the effect of radiation on the trajectory of a test particle orbiting around a luminous spinning relativistic star event...
Finite size effects on the Poynting-Robertson effect: a fully general relativistic treatment
Finite size effects the Poynting-Robertson effect
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2010/12/27
Ever since the first discovery of Poynting and Robertson, the radiation source has been treated as merely a point. Even in a very few studies where the size of the source has been taken into account,...
Fine structure of the Poynting-Robertson effect for a luminous spinning relativistic star
Fine structure Poynting-Robertson effect luminous spinning relativistic star
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2010/12/21
As a sequel to our recent works challenging toward the systematic inclusion of the effect of
radiation on the trajectory of a test particle orbiting around a luminous spinning relativistic star event...
Finite size effects on the Poynting-Robertson effect: a fully general relativistic treatment
Poynting-Robertson general relativistic treatment
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2010/12/21
Even since the first discovery of Poynting and Robertson, the radiation source has been treated
as merely a point. Even in a very few studies where the size of the source has been taken
into account...
Approximate KMS states for scalar and spinor fields in Friedmann-Robertson-Walker spacetimes
Approximate KMS scala spinor fields Friedmann-Robertson-Walker spacetimes
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2010/12/16
We construct and discuss Hadamard states for both scalar and Dirac spinor fields in a large
class of spatially flat Friedmann-Robertson-Walker spacetimes characterised by an initial phase either of e...
Dynamical invariants and Robertson-Schrodinger correlated states of electromagnetic field in nonstationary linear media
Dynamical invariants Robertson-Schrodinger correlated states electromagnetic field nonstationary linear media
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2010/10/21
Dynamical invariants and statistical properties of the quantized electromagnetic field in nonstationary linear media (dielectric and/or conductive) are considered in the framework of Choi-Yeon quantiz...
The Robertson-Walker Metric in a Pseudo-Complex General Relativity
Walker metric energy-momentum
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2010/3/18
We investigate the consequences of the pseudo-complex General Relativity within a pseudo-complexified Roberston-Walker metric. A contribution to the energy-momentum tensor arises, which corresponds to...
Modified Jordan-Brans-Dicke theory with scalar current and the Eddington-Robertson gamma-parameter
modified gravity scalar current Eddington-Robertson gamma-parameter
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2010/3/17
The Jordan-Brans-Dicke theory of gravitation, which promotes the gravitational constant to a dynamical scalar field, predicts a value for the Eddington-Robertson post-Newtonian parameter gamma that is...