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Quantitative differences in developmental profiles of spontaneous activity in cortical and hippocampal cultures
(SpringerNeural Development, 2015-01-28)
Background: Neural circuits can spontaneously generate complex spatiotemporal firing patterns during
development. This spontaneous activity is thought to help guide development of the nervous system. In this study,
we had ...
A Numerical Technique for Linear Elliptic PDEs in Polygonal Domains
(Royal Society PublishingProceedings of the Royal Society A, 2015-02-11)
Integral representations for the solution of linear elliptic partial differential equations (PDEs) can be obtained using Green's theorem. However, these representations involve both the Dirichlet and the Neumann values on ...
Vortex rings impinging on permeable boundaries
(Physics of Fluids, 2015-01-17)
Experiments with vortex rings impinging permeable and solid boundaries are presented in order to investigate the influence of permeability. Utilizing Particle Image Velocimetry, we compared the behaviour of a vortex ring ...
Resonances in coupled πK, ηK scattering from lattice QCD
(APSPhysical Review D, 2015-03-10)
Coupled-channel πK and ηK scattering amplitudes are determined by studying the finite-volume energy spectra obtained from dynamical lattice QCD calculations. Using a large basis of interpolating operators, including both ...
Minimal Massive 3D Gravity Unitarity Redux
(IOPClassical and Quantum Gravity, 2015-02-26)
A geometrical analysis of the bulk and anti-de Sitter boundary unitarity conditions
of 3D “Minimal Massive Gravity” (MMG) (which evades the “bulk/boundary clash” of
Topologically Massive Gravity) is used to extend and ...
Uniqueness of the Kerr-de Sitter spacetime as an algebraically special solution in five dimensions
(SpringerCommunications in Mathematical Physics, 2015-08-20)
We determine the most general solution of the five-dimensional vacuum Einstein equation, allowing for a cosmological constant, with (i) a Weyl tensor that is type II or more special in the classification of Coley et al., ...
Vortex-ring-induced stratified mixing
(Cambridge University PressJournal of Fluid Mechanics, 2015-09-16)
There is tantalizing evidence that some mechanically driven stratified flows tend towards a state of constant mixing efficiency. We provide insight into the energy balance leading to the constant mixing efficiency and ...
Quantum Conditional Mutual Information, Reconstructed States, and State Redistribution
(APSPhysical Review Letters, 2015-06-29)
We give two strengthenings of an inequality for the quantum conditional mutual information of a tripartite quantum state recently proved by Fawzi and Renner, connecting it with the ability to reconstruct the state from its ...
On the Einstein-Weyl and conformal self-duality equations
(AIP PublishingJournal of Mathematical Physics, 2015-08-03)
The equations governing anti-self-dual and Einstein-Weyl conformal geometries
can be regarded as ‘master dispersionless systems’ in four and three dimensions
respectively. Their integrability by twistor methods has been ...