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SAMOS
2010
Springer
15 years 3 months ago
Accelerating high-level engineering computations by automatic compilation of Geometric Algebra to hardware accelerators
Abstract—Geometric Algebra (GA), a generalization of quaternions, is a very powerful form for intuitively expressing and manipulating complex geometric relationships common to en...
Jens Huthmann, Peter Muller, Florian Stock, Dietma...
SIAMSC
2010
165views more  SIAMSC 2010»
15 years 3 months ago
Algebraic Multigrid for Markov Chains
Abstract. An algebraic multigrid (AMG) method is presented for the calculation of the stationary probability vector of an irreducible Markov chain. The method is based on standard ...
Hans De Sterck, Thomas A. Manteuffel, Stephen F. M...
SIAMSC
2010
114views more  SIAMSC 2010»
15 years 3 months ago
Smoothed Aggregation Multigrid for Markov Chains
Abstract. A smoothed aggregation multigrid method is presented for the numerical calculation of the stationary probability vector of an irreducible sparse Markov chain. It is shown...
Hans De Sterck, Thomas A. Manteuffel, Stephen F. M...
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SIGMOD
2010
ACM
159views Database» more  SIGMOD 2010»
15 years 3 months ago
Histograms reloaded: the merits of bucket diversity
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
Carl-Christian Kanne, Guido Moerkotte
TMC
2010
126views more  TMC 2010»
15 years 3 months ago
Achievable Capacity in Hybrid DS-CDMA/OFDM Spectrum-Sharing
—In this paper, we consider DS-CDMA/OFDM spectrum sharing systems and obtain the achievable capacity of the secondary service under different subchannel selection policies in the...
Mohammad G. Khoshkholgh, Keivan Navaie, Halim Yani...
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