Constantine Bekas

Sadaf R. Alam, Constantine Bekas, Hans Boettiger, Alessandro Curioni, Gilles Fourestey, Willi Homberg, Michael Knobloch, Teodoro Laino, Thilo Maurer, Bernd Mohr, Dirk Pleiter, Arwed Schiller, Thomas C. Schulthess, V. Weber: Early experiences with scientific applications on the IBM Blue Gene/Q supercomputer. IBM Journal of Research and Development 57(1): 14 (2013)

Yves Ineichen, Andreas Adelmann, Costas Bekas, Alessandro Curioni, Peter Arbenz: A fast and scalable low dimensional solver for charged particle dynamics in large particle accelerators. Computer Science - R&D 28(2-3): 185-192 (2013)

V. Kalantzis, Constantine Bekas, Alessandro Curioni, Efstratios Gallopoulos: Accelerating data uncertainty quantification by solving linear systems with multiple right-hand sides. Numerical Algorithms 62(4): 637-653 (2013)

Constantine Bekas, Alessandro Curioni, I. Fedulova: Low-cost data uncertainty quantification. Concurrency and Computation: Practice and Experience 24(8): 908-920 (2012)

Thomas Ludwig, Costas Bekas, Alice Koniges, Kengo Nakajima: Topic 15: High Performance and Scientific Applications. Euro-Par 2012: 779-780

Constantine Bekas, Alessandro Curioni, Peter Arbenz, Cyril Flaig, G. Harry van Lenthe, Ralph Müller, A. J. Wirth: Extreme scalability challenges in micro-finite element simulations of human bone. Concurrency and Computation: Practice and Experience 22(16): 2282-2296 (2010)

Constantine Bekas, Alessandro Curioni: Very large scale wavefunction orthogonalization in Density Functional Theory electronic structure calculations. Computer Physics Communications 181(6): 1057-1068 (2010)

Constantine Bekas, Alessandro Curioni: A new energy aware performance metric. Computer Science - R&D 25(3-4): 187-195 (2010)

Constantine Bekas, Pasqua D'Ambra, Ananth Grama, Yousef Saad, Petko Yanev: Special issue on Parallel Matrix Algorithms and Applications. Parallel Computing 36(5-6): 213-214 (2010)

Constantine Bekas, Alessandro Curioni, I. Fedulova: Low cost high performance uncertainty quantification. SC-WHPCF 2009

Constantine Bekas, Alessandro Curioni, Wanda Andreoni: Atomic wavefunction initialization in ab initio. Parallel Computing 34(6-8): 441-450 (2008)

Constantine Bekas, Effrosini Kokiopoulou, Yousef Saad: Computation of Large Invariant Subspaces Using Polynomial Filtered Lanczos Iterations with Applications in Density Functional Theory. SIAM J. Matrix Analysis Applications 30(1): 397-418 (2008)

Constantine Bekas, Alessandro Curioni, Wanda Andreoni: New Scalability Frontiers in Ab Initio Electronic Structure Calculations Using the BG/L Supercomputer. PARA 2006: 1026-1035

Constantine Bekas, Yousef Saad, Murilo L. Tiago, James R. Chelikowsky: Computing charge densities with partially reorthogonalized Lanczos. Computer Physics Communications 171(3): 175-186 (2005)

Constantine Bekas, Effrosini Kokiopoulou, Efstratios Gallopoulos: The design of a distributed MATLAB-based environment for computing pseudospectra. Future Generation Comp. Syst. 21(6): 930-941 (2005)

Constantine Bekas, Yousef Saad: Computation of Smallest Eigenvalues using Spectral Schur Complements. SIAM J. Scientific Computing 27(2): 458-481 (2005)

Constantine Bekas, Efstratios Gallopoulos: Parallel computation of pseudospectra by fast descent. Parallel Computing 28(2): 223-242 (2002)

Constantine Bekas, Effrosini Kokiopoulou, Efstratios Gallopoulos, Valeria Simoncini: Parallel Computation of Pseudospectra Using Transfer Functions on a MATLAB-MPI Cluster Platform. PVM/MPI 2002: 199-207

Constantine Bekas, Efstratios Gallopoulos: Cobra: Parallel path following for computing the matrix pseudospectrum. Parallel Computing 27(14): 1879-1896 (2001)

Constantine Bekas, Effrosini Kokiopoulou, Ioannis Koutis, Efstratios Gallopoulos: Towards the effective parallel computation of matrix pseudospectra. ICS 2001: 260-269