Results 251 to 260 of about 72,752 (301)

On the controllability of isotropic and anisotropic networks

53rd IEEE Conference on Decision and Control, 2014
This paper studies the controllability degree of complex networks as a function of the network weights and the location and number of control nodes. We quantify the controllability degree of a network with the worst-case control energy to drive the network to an arbitrary configuration.
Fabio Pasqualetti, Sandro Zampieri
openaire   +1 more source

Is Salt Isotropic or Anisotropic?

Proceedings, 2015
We challenge the common assumption that salt anisotropy can be ignored in velocity model building for seismic imaging. We present a case study for salt anisotropy and its impact on the estimation of salt body shape and the imaging of subsalt structures. First we discuss salt properties.
V.P. Singh, E. Neumann
openaire   +1 more source

Isotropic and anisotropic electroconvection

Physics Reports, 2007
A systematic overview of various electric-field induced pattern forming instabilities in nematic liquid crystals is given. The standard hydrodynamic description of nematics predicts the occurrence of striped patterns (rolls) in various wavenumber ranges, which depend on the anisotropy of the dielectric permittivity and that of the electrical ...
A BUKA, N EBER, W PESCH, L KRAMER
openaire   +1 more source

Isotropic Convection Scenarios in an Anisotropic Fluid

Physical Review Letters, 2004
We study a new variant of electroconvection using a homeotropically aligned nematic liquid crystal. The novelty of this system is a direct transition to roll- or square-type patterns controlled by the frequency of the applied voltage with a rich crossover scenario and strong influence of the zigzag instability even at onset.
A, Buka, B, Dressel, L, Kramer, W, Pesch
openaire   +2 more sources

DTI MEASUREMENTS OF ISOTROPIC AND ANISOTROPIC MEDIA

Biomedizinische Technik/Biomedical Engineering, 2002
The ability to measure different rates of diffusion along different directions is one of the features that distinguish DTI from other imaging methods. It allows to extract and visualize information on tissue microstructure and microdynamics. However, to correctly determine the full diffusion tensor, the so-called b-matrix has to be calculated by taking
D, Güllmar, T, Jaap, M E, Bellemann, J, Haueisen, J R, Reichenbach   +4 more
openaire   +2 more sources

Isotropic and anisotropic interphases in polymer systems

Composite Interfaces, 2000
A polyisoprene-poly 4-vinyl pyridine (PIP/P4VP) diblock polymer has been used as adsorbate and adhesive on PVC and PMMA substrates. The diblock polymer is able to undergo surface restructuring, the rubber constituent being preferentially surface localized during contact with non-polar media, the P4VP moiety becoming dominant when in contact with polar ...
Ruijian Xu, A. Ouhlal, H. P. Schreiber
openaire   +1 more source

Image retrieval via isotropic and anisotropic mappings

Pattern Recognition, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Qasim Iqbal, Jake K. Aggarwal
openaire   +3 more sources

On Isotropic Extension of Anisotropic Tensor Functions

ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 1996
AbstractThe present paper indicates that through some simple vector‐valved and 2nd‐order‐tensor‐valued invariant tensor functions anisotropic functions can be extended to isotropic functions merely with vectors and 2nd‐order tensors as extended variables.
openaire   +1 more source

Is the Swelling in Brain Edema Isotropic or Anisotropic?

1994
A study was conducted to examine whether swelling of the brain due to vasogenic-type and cytotoxic-type edema is isotropic or anisotropic. Vasogenic edema was induced by cryogenic injury in cats, and coronal sections of the brain were examined at 4-5 h after injury.
T, Kuroiwa, M, Ueki, Q, Chen, S, Ichinose, R, Okeda   +4 more
openaire   +2 more sources

Generalized Solutions in Isotropic and Anisotropic Elastostatics

Journal of Elasticity
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Labropoulou, D., Vafeas, P., Manias, D. M., Dassios, G.   +3 more
openaire   +2 more sources