Workshop on Approximate Computing in Numerical Linear Algebra

7-10 Oct 2025 Paris (France)

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Program

Week Tue. 07 Wed. 08 Thu. 09 Fri. 10 List

Friday, October 10, 2025

08:00

09:00

10:00

11:00

12:00

13:00

14:00

›8:00 (30min)

Welcome coffee

8:00 - 8:30 (30min)

Welcome coffee

›8:30 (1h20)

Session 9
Chair: Emmanuel Agullo

8:30 - 9:50 (1h20)

Session 9

Chair: Emmanuel Agullo

› A randomized Krylov-Schur eigensolver, featuring mixed-precision and deflation - Jean-Guillaume De Damas, LJLL 08:30-08:50 (20min)

› Randomized Two-Sided Gram-Schmidt Process With Applications - Lorenzo Piccinini, Università di Bologna 08:50-09:10 (20min)

› Minimal Residual Rational Krylov Subspace Method for Sequences of Shifted Linear Systems - Davide Palitta, Università di Bologna 09:10-09:30 (20min)

› Error formulas for block rational Krylov approximations of matrix functions - Stefano Massei, Università di Pisa 09:30-09:50 (20min)

›9:50 (40min)

Coffee break

9:50 - 10:30 (40min)

Coffee break

›10:30 (1h40)

Session 10
Chair: Sherry Li

10:30 - 12:10 (1h40)

Session 10

Chair: Sherry Li

› A Journey Through Numerical Linear Algebra Algorithms with Variable Accuracy Storage - Emmanuel Agullo, Inria 10:30-10:50 (20min)

› Memory Accessor for Mixed-precision GMRES-based iterative refinement - Antoine Jego, LIP6 10:50-11:10 (20min)

› Mixed-Precision FGMRES for Large Lyapunov Equations - Jonas Schulze, Max Planck Institute for Dynamics of Complex Technical Systems 11:10-11:30 (20min)

› Mixed-precision algorithms for solving the Sylvester matrix equation - Xiaobo Liu, Max Planck Institute for Dynamics of Complex Technical Systems 11:30-11:50 (20min)

› Sharp error bounds for approximate eigenvalues and singular values from subspace methods - Irina B. Haas, Mathematical Institute, University of Oxford 11:50-12:10 (20min)

›12:10 (1h50)

Lunch

12:10 - 14:00 (1h50)

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