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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 talk about my research on elastic wave propagation, women scientist day in Ben-Gurion University, 2026, March 17 May 5, Beer-Sheva, NIBN auditorium, 16:00-17:30
Seminar talk, Numerical solvers for wave propagation problems: reduction based multigrid methods, PDE and appied math seminar, Technion, Haifa, 28 April 2026
Seminar talk, Computer Science seminar, Ariel University, Ariel, 13 May 2026
Co-organizing the minisymposium Advances in preconditioning techniques for wave propagation problems in Precond 2026, 27-29 May, Edinburgh, UK.
I'm also giving a talk in another MS: Approximate commutator preconditioners for saddle-point systems with indefinite leading blocksSeminar talk, Reduction-Based Solvers for the Elastic Helmholtz Equation: Block-Preconditioning and Multigrid Methods, applied math colloquium, Tel-Aviv University, Tel-Aviv, 3 June 2026
Co-organizing the minisymposium Numerical advances in the solution of saddle-point systems arising from fluid flow problems in WCCM-ECCOMAS 2026, 19-24 July, 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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