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108 papers · 1 filter
Stochastic Desertification
Haim Weissmann, Nadav M. Shnerb
The process of desertification is usually modeled as a first order transition, where a change of an external parameter (e.g. precipitation) leads to a catastrophic bifurcation foll…
Optical hyperpolarization and NMR detection of Xe on a microfluidic chip
Ricardo Jimenez-Martinez, Daniel J. Kennedy, Michael Rosenbluh +6
Optically hyperpolarized Xe gas has become a powerful contrast agent in nuclear magnetic resonance (NMR) spectroscopy and imaging, with applications ranging from studies of…
Fully distributed optimal channel assignment for open spectrum access
Oshri Naparstek, Amir Leshem
In this paper we address the problem of fully distributed assignment of users to sub-bands such that the sum-rate of the system is maximized. We introduce a modified auction algori…
Coping with Physical Attacks on Random Network Structures
Omer Gold, Reuven Cohen
Communication networks are vulnerable to natural disasters, such as earthquakes or floods, as well as to physical attacks, such as an Electromagnetic Pulse (EMP) attack. Such real-…
Exploring Quasiparticles in High-Tc Cuprates Through Photoemission, Tunneling, and X-ray Scattering Experiments
Emanuele G. Dalla Torre, Yang He, David Benjamin +1
One of the key challenges in the field of high-temperature superconductivity is understanding the nature of fermionic quasiparticles. Experiments consistently demonstrate the exist…
Efficient coordinate-descent for orthogonal matrices through Givens rotations
Uri Shalit, Gal Chechik
Optimizing over the set of orthogonal matrices is a central component in problems like sparse-PCA or tensor decomposition. Unfortunately, such optimization is hard since simple ope…