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MJ
2008
121views more  MJ 2008»
13 years 8 months ago
Transport properties of graphene nanoribbon heterostructures
We study the electronic and transport properties of heterostructures formed by armchair graphene nanoribbons with intersections of finite length. We describe the system by a tight...
L. Rosales, P. Orellana, Z. Barticevic, M. Pacheco
ICS
1989
Tsinghua U.
14 years 1 months ago
Convergence rate and termination of asynchronous iterative algorithms
We consider iterative algorithms of the form z := f(z), executed by a parallel or distributed computing system. We focus on asynchronous implementations whereby each processor ite...
Dimitri P. Bertsekas, John N. Tsitsiklis
JSYML
2002
170views more  JSYML 2002»
13 years 9 months ago
Representability in Second-Order Propositional Poly-Modal Logic
A propositional system of modal logic is second-order if it contains quantifiers p and p, which, in the standard interpretation, are construed as ranging over sets of possible worl...
Gian Aldo Antonelli, Richmond H. Thomason
TSP
2010
13 years 4 months ago
MIMO transceiver optimization with linear constraints on transmitted signal covariance components
Abstract--This correspondence revisits the joint transceiver optimization problem for multiple-input multiple-output (MIMO) channels. The linear transceiver as well as the transcei...
Ching-Chih Weng, P. P. Vaidyanathan
TSP
2010
13 years 4 months ago
ALOHA with collision resolution (ALOHA-CR): theory and software defined radio implementation
A cross-layer scheme, namely ALOHA With Collision Resolution (ALOHA-CR), is proposed for high throughput wireless communications in a cellular scenario. Transmission occurs in a t...
Xin Liu, John Kountouriotis, Athina P. Petropulu, ...