Two-Level Adaptive Algebraic Multigrid for a Sequence of Problems with Slowly Varying Random Coefficients. - Delyan Kalchev; Christian Ketelsen; Panayot S. Vassilevski (SIAM J. Sci. Comput., 2013)

Comparative Performance Analysis of Coarse Solvers for Algebraic Multigrid on Multicore and Manycore Architectures. - Alex Druinsky; Pieter Ghysels; Xiaoye S. Li; Osni Marques; Samuel Williams 001; Andrew T. Barker; Delyan Kalchev; Panayot S. Vassilevski (PPAM (1), 2015)

Tuning the Coarse Space Construction in a Spectral AMG Solver. - Osni Marques; Alex Druinsky; Xiaoye S. Li; Andrew T. Barker; Panayot S. Vassilevski; Delyan Kalchev (ICCS, 2016)

Upscaling of Mixed Finite Element Discretization Problems by the Spectral AMGe Method. - Delyan Kalchev; Chak Shing Lee; Umberto Villa; Yalchin Efendiev; Panayot S. Vassilevski (SIAM J. Sci. Comput., 2016)

Mixed and least-squares finite element methods with application to linear hyperbolic problems. - Delyan Kalchev; Thomas A. Manteuffel; Steffen Münzenmaier (Numer. Linear Algebra Appl., 2018)

A Least-Squares Finite Element Method Based on the Helmholtz Decomposition for Hyperbolic Balance Laws. - Delyan Z. Kalchev; Thomas A. Manteuffel (CoRR, 2019)

Mixed (LL*)-1 and LL* least-squares finite element methods with application to linear hyperbolic problems. - Delyan Z. Kalchev; Thomas A. Manteuffel; Steffen Münzenmaier (CoRR, 2020)

Auxiliary Space Preconditioning of Finite Element Equations Using a Nonconforming Interior Penalty Reformulation and Static Condensation. - Delyan Z. Kalchev; Panayot S. Vassilevski (SIAM J. Sci. Comput., 2020)

A Condensed Constrained Nonconforming Mortar-Based Approach for Preconditioning Finite Element Discretization Problems. - Delyan Z. Kalchev; Panayot S. Vassilevski (SIAM J. Sci. Comput., 2020)

Parallel Element-based Algebraic Multigrid for H(curl) and H(div) Problems Using the ParELAG Library. - Delyan Z. Kalchev; Panayot S. Vassilevski; Umberto Villa (CoRR, 2021)

Parallel Element-Based Algebraic Multigrid for ( boldsymbol{H} ) (curl) and ( boldsymbol{H} ) (div) Problems Using the ParELAG Library. - Delyan Z. Kalchev; Panayot S. Vassilevski; Umberto Villa (SIAM J. Sci. Comput., 2023)

Breaking the Molecular Dynamics Timescale Barrier Using a Wafer-Scale System. - Kylee Santos; Stan G. Moore; Tomas Oppelstrup; Amirali Sharifian; Ilya Sharapov; Aidan P. Thompson; Delyan Z. Kalchev; Danny Perez; Robert Schreiber; Scott Pakin; Edgar A. Leon; James H. Laros III; et al. (SC, 2024)

Scalable Multilevel Monte Carlo Methods Exploiting Parallel Redistribution on Coarse Levels. - Hillary R. Fairbanks; Delyan Z. Kalchev; Chak Shing Lee; Panayot S. Vassilevski (CoRR, 2024)

Breaking the mold: overcoming the time constraints of molecular dynamics on general-purpose hardware. - Danny Perez; Aidan P. Thompson; Stan G. Moore; Tomas Oppelstrup; Ilya Sharapov; Kylee Santos; Amirali Sharifian; Delyan Z. Kalchev; Robert Schreiber; Scott Pakin; Edgar A. Leon; James H. Laros III; et al. (CoRR, 2024)