About Alexander Litvinenko Alexander Litvinenko Senior Research Scientist, Stochastic Numerics Research Group spatio-temporal statistics uncertainty quantification Alexander Litvinenko worked as a Senior Research Scientist at Professor Raul F. Tempone's Stochastic Numerics Research Group at King Abdullah University of Science and Technology (KAUST). After 5 years as a research scientist at KAUST (in various groups: the Stochastic Numerics Group and Strategic Initiative in Uncertainty Quantification, Extreme Computing Research Center, and Bayesian Computing) Alexander moved to RWTH Aachen to the position Group leader in Uncertainty Quantification. He earned B.S. and M.S. degrees working on data analysis at Sobolev Institute of Mathematics at the Projects Related Projects 2013 Kriging in low-rank tensor format Fri, Mar 1 - Fri, Nov 1 2013 Computational power poses heavy limitations to the achievable problem size for Kriging. In separate research lines, Kriging algorithms based on FFT, the separability of certain covariance functions and low-rank representations of covariance functions have been investigated, all three leading to drastic speedup factors.
Kriging in low-rank tensor format Fri, Mar 1 - Fri, Nov 1 2013 Computational power poses heavy limitations to the achievable problem size for Kriging. In separate research lines, Kriging algorithms based on FFT, the separability of certain covariance functions and low-rank representations of covariance functions have been investigated, all three leading to drastic speedup factors.
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