Write{e cient memories (WEM) were introduced by Ahlswede/Zhang as a model for storing and updating information on a rewritable medium. We strengthen the capacity theorem by providing a full control of the rates of the spreads. Next we adress and settle the storage capacity region problem under the average costs constraint in the case of many users, who write on the memory in an arbitrary order,...

We undertake a study of the local properties of 2-Gabriel meshes: manifold triangle meshes each of whose faces has an open Euclidean diametric ball that contains no mesh vertices. We show that, under mild constraints on the dihedral angles, such meshes are Delaunay meshes: the open geodesic circumdisk of each face contains no mesh vertices. We detail the distinction between these two mesh struc...

Most materials freeze when cooled to sufficiently low temperature. We find that magnetic dipoles randomly distributed in a solid matrix condense into a spin liquid with spectral properties on cooling that are the diametric opposite of those for conventional glasses. Measurements of the nonlinear magnetic dynamics in the low-temperature liquid reveal the presence of coherent spin oscillations co...

an earthquake with the magnitude of 5.9 mw occurred in qeshm island and hormozgan province in november 27th 2005. 3d co-seismic deformation field caused by the earthquake are determined based on the ascending and descending interferograms and azimuth offsets. the peak to peak estimated displacement is about 10 cm in west, 69 cm in north and 22 cm in vertical directions. we apply strain analysis...

most of the earth's crust contains fluids, and fractures are common throughout the upper part. they exist at a wide range of scales from micro-fractures within grains to major faults and shear zones that traverse the crust. in this paper, the stress-dependent permeability in fractured rock masses have been investigated considering the effects of nonlinear normal deformation and shear dilation o...

129S1/SvImJ (129S1), NMRI and BALB/c mice are widely used in behavioural research, demonstrating marked strain differences in their behavioural phenotypes. Grooming is a complex and essential ritual in the rodent behavioural repertoire with a general cephalocaudal progression (forepaws-nose-face-body-legs-tail and genitals). Various stressors as well as genetic manipulations have been reported ...