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» Properties and computations of matrix pseudospectra
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IJMMS
2007
166views more  IJMMS 2007»
14 years 10 months ago
Visualization of large networks with min-cut plots, A-plots and R-MAT
What does a ‘normal’ computer (or social) network look like? How can we spot ‘abnormal’ sub-networks in the Internet, or web graph? The answer to such questions is vital f...
Deepayan Chakrabarti, Christos Faloutsos, Yiping Z...
TSP
2008
123views more  TSP 2008»
14 years 9 months ago
MIMO Radar Space-Time Adaptive Processing Using Prolate Spheroidal Wave Functions
In the traditional transmitting beamforming radar system, the transmitting antennas send coherent waveforms which form a highly focused beam. In the multiple-input multipleoutput (...
Chun-Yang Chen, Palghat P. Vaidyanathan
IMC
2004
ACM
15 years 3 months ago
Measurement based characterization and provisioning of IP VPNs
Virtual Private Networks provide secure and reliable communication between customer sites. With increase in number and size of VPNs, providers need efficient provisioning techniqu...
Satish Raghunath, K. K. Ramakrishnan, Shivkumar Ka...
CORR
2010
Springer
130views Education» more  CORR 2010»
14 years 10 months ago
Phase Transitions for Greedy Sparse Approximation Algorithms
A major enterprise in compressed sensing and sparse approximation is the design and analysis of computationally tractable algorithms for recovering sparse, exact or approximate, s...
Jeffrey D. Blanchard, Coralia Cartis, Jared Tanner...
DCG
2006
110views more  DCG 2006»
14 years 10 months ago
High-Dimensional Centrally Symmetric Polytopes with Neighborliness Proportional to Dimension
Let A be a d by n matrix, d < n. Let C be the regular cross polytope (octahedron) in Rn . It has recently been shown that properties of the centrosymmetric polytope P = AC are ...
David L. Donoho