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About me
I'm a PhD student in Ben-Gurion University of the Negev. My supervisor is Professor Eran Treister. I study numerical solvers for the Helmholtz equations: preconditioning approaches featuring multigrid methods and saddle-point systems.
אני רחלי יובל, סטודנטית לדוקטורט באוניברסיטת בן-גוריון בנגב. המנחה שלי הוא פרופסור ערן טרייסטר. אני חוקרת פותרנים נומריים למשוואות הלמהולץ: שיטות פרקונדישנינג מבוססות רב-סריג ומערכות נקודת-אוכף.
Contact
yovelr at bgu.ac.il
Research interests
Numerical linear algebra
Preconditioning
Multigrid
Local Fourier Analysis
Saddle-point systems
Upcoming events
TED-like talk about my research on numerical solvers for wave propagation problems, the PhD students' conference, Ben-Gurion University of the Negev, June 7 2026, Beer-Sheva, Israel
Seminar talk, Numerical solvers for wave propagation problems: reduction based multigrid methods, PDE and appied math seminar, Technion, Haifa, 28 April 9 june 2026
The colorado conference on iterative and multigrid methods, Scalable multigrid method for the Helmholtz equation: real-shifted coarse grid correction, June 23 2026, Boulder University, Boulder, Colorado, USA
Co-organizing the minisymposium Numerical advances in the solution of saddle-point systems arising from fluid flow problems in WCCM-ECCOMAS, July 21 2026, Munich, Germany.
I'm also giving a talk in the same MS: The immersed boundary method: a preconditioned SIMPLE approach for moving bodies
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