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TSP
2008
178views more  TSP 2008»
13 years 8 months ago
Heteroscedastic Low-Rank Matrix Approximation by the Wiberg Algorithm
Abstract--Low-rank matrix approximation has applications in many fields, such as 2D filter design and 3D reconstruction from an image sequence. In this paper, one issue with low-ra...
Pei Chen
TWC
2008
120views more  TWC 2008»
13 years 8 months ago
Energy minimization of a QAM system with fading
In this paper, the problem of choosing constellation size and transmit power that minimizes the energy-per-goodbit in a frequency-flat, long-term static fading channel is considere...
Raghavendra S. Prabhu, Babak Daneshrad
LOGCOM
2007
115views more  LOGCOM 2007»
13 years 8 months ago
The Dynamics of Syntactic Knowledge
The syntactic approach to epistemic logic avoids the logical omniscience problem by taking knowledge as primary rather than as defined in terms of possible worlds. In this study, ...
Thomas Ågotnes, Natasha Alechina
ENTCS
2007
145views more  ENTCS 2007»
13 years 8 months ago
Design, Analysis and Performance Evaluation of Group Key Establishment in Wireless Sensor Networks
Wireless sensor networks are comprised of a vast number of ultra-small autonomous computing, communication and sensing devices, with restricted energy and computing capabilities, ...
Ioannis Chatzigiannakis, Elisavet Konstantinou, Va...
JACM
2000
119views more  JACM 2000»
13 years 8 months ago
A subdivision-based algorithm for the sparse resultant
Multivariate resultants generalize the Sylvester resultant of two polynomials and characterize the solvability of a polynomial system. They also reduce the computation of all comm...
John F. Canny, Ioannis Z. Emiris