Time: Sunday Jan 2nd, 17:00 (Israel Time) Location: On Zoom Speaker: Dan Mangoubi (Hebrew University) Title: A Local version of Courant’s Nodal domain Theorem. Slides: https://mathematics.haifa.ac.il/wp-content/uploads/Haifa-University-020122-slides.pdf Abstract. Let u_k be an eigenfunction of a vibrating string (with fixed ends) corresponding … Continue reading U. Haifa Topology & Geometry seminar: Sunday, Jan. 2, 2022. Speaker: Dan Mangoubi (Hebrew University). “Title: A Local version of Courant’s Nodal domain Theorem”