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» On the TT-Transform and Its Diagonal Elements
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FOCS
2005
IEEE
13 years 11 months ago
On Non-Approximability for Quadratic Programs
This paper studies the computational complexity of the following type of quadratic programs: given an arbitrary matrix whose diagonal elements are zero, find x ∈ {−1, +1}n th...
Sanjeev Arora, Eli Berger, Elad Hazan, Guy Kindler...
TIT
2002
126views more  TIT 2002»
13 years 5 months ago
Two-dimensional interleaving schemes with repetitions: Constructions and bounds
Abstract--Two-dimensional interleaving schemes with repetitions are considered. These schemes are required for the correction of two-dimensional bursts (or clusters) of errors in a...
Tuvi Etzion, Alexander Vardy
CORR
2011
Springer
198views Education» more  CORR 2011»
13 years 1 months ago
Kron Reduction of Graphs with Applications to Electrical Networks
Abstract. Consider a weighted and undirected graph, possibly with self-loops, and its corresponding Laplacian matrix, possibly augmented with additional diagonal elements correspon...
Florian Dörfler, Francesco Bullo