output
19922026
most citedA fast approach for overcomplete sparse decomposition based on smoothed L0 norm

1.1k citations

Showing 2008Show all

44 papers · 1 filter

hep-th2008★ 16 cited

2D Gravity on with Chern-Simons Corrections

Mohsen Alishahiha, Reza Fareghbal, Amir E. Mosaffa

We study 2D Maxwell-dilaton gravity with higher order corrections given by the Chern-Simons term. The model admits three distinctive vacuum solutions. By making use of the…

cs.NI2008

Two Dimensional Connectivity for Vehicular Ad-Hoc Networks

Masoud Farivar, Behzad Mehrdad, Farid Ashtiani

In this paper, we focus on two-dimensional connectivity in sparse vehicular ad hoc networks (VANETs). In this respect, we find thresholds for the arrival rates of vehicles at entra…

cond-mat.stat-mech2008★ 24 cited

Direct Evidence for Conformal Invariance of Avalanche Frontier in Sandpile Models

A. A. Saberi, S. Moghimi-Araghi, H. Dashti-Naserabadi +1

Appreciation of Stochastic Loewner evolution (SLE), as a powerful tool to check for conformal invariant properties of geometrical features of critical systems has been rising.…

cond-mat.stat-mech2008★ 21 cited

Scaling of Clusters and Winding Angle Statistics of Iso-height Lines in two-dimensional KPZ Surface

A. A. Saberi, S. Rouhani

We investigate the statistics of Iso-height lines of (2+1)-dimensional Kardar-Parisi-Zhang model at different level sets around the mean height in the saturation regime. We find th…

hep-th2008★ 39 cited

Non-relativistic CFT and Semi-classical Strings

Amin Akhavan, Mohsen Alishahiha, Ali Davody +1

We study different features of 3D non-relativistic CFT using gravity description. As the corresponding gravity solution can be embedded into the type IIB string theory, we study se…

astro-ph2008★ 45 cited

Asymptotically FRW black holes

J. T. Firouzjaee, Reza Mansouri

Application of concepts like black hole and event horizon in cosmological context are not trivial, as has been shown in the last decade. We introduce special solutions of the LTB f…