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SIAMSC
2011
148views more  SIAMSC 2011»
14 years 4 months ago
Bootstrap AMG
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
Achi Brandt, James J. Brannick, K. Kahl, Irene Liv...
SIAMJO
2008
108views more  SIAMJO 2008»
14 years 10 months ago
Sparse SOS Relaxations for Minimizing Functions that are Summations of Small Polynomials
This paper discusses how to find the global minimum of functions that are summations of small polynomials ("small" means involving a small number of variables). Some spa...
Jiawang Nie, James Demmel
CVPR
2007
IEEE
15 years 12 months ago
A minimal solution to the autocalibration of radial distortion
Epipolar geometry and relative camera pose computation are examples of tasks which can be formulated as minimal problems and solved from a minimal number of image points. Finding ...
Tomás Pajdla, Zuzana Kukelova
ICCAD
2002
IEEE
129views Hardware» more  ICCAD 2002»
15 years 6 months ago
Transmission line design of clock trees
We investigate appropriate regimes for transmission line propagation of signals on digital integrated circuits. We start from exact solutions to the transmission line equations pr...
Rafael Escovar, Roberto Suaya
CSCLP
2007
Springer
15 years 4 months ago
Quasi-Linear-Time Algorithms by Generalisation of Union-Find in CHR
Abstract. The union-find algorithm can be seen as solving simple equations between variables or constants. With a few lines of code change, we generalise its implementation in CHR...
Thom W. Frühwirth