Event Type: Multifaith Observance Event Sponsor: University Chaplaincy (Islam) Begins at sundown on the first day listed. First day may be dependent on the sighting of the moon. Milad an-Nabi, also known as Mawlid, is celebrated by Muslims as the birthday of the Prophet Muhammad. 

Building: Joyce Cummings Center City: Medford, MA 02155 Campus: Medford/Somerville campus Location Details: JCC 265 Wheelchair Accessible: Yes Open to Public: Yes Event Type: Lecture/Presentation/Seminar Event Subject: Science Event Sponsor: School of Arts and Sciences Event Sponsor Department / Area: Mathematics department Speaker Name: John Urschel Link: https://math.tufts.edu/news-events/colloquium-series The study of discrete nodal statistics, that is, data regarding the zeros of Laplacian eigenvectors, provides insight into structural properties of graphs and matrices, and draws strong parallels with classical results in analysis for Laplacian eigenfunctions. In this talk, we will give an overview of the field, covering key results on nodal domains and nodal counts for graphs and their connection to known results and open problems in the continuous setting. In addition, we will discuss some recent progress towards a more complete understanding of the extremal properties of the nodal statistics of a matrix.