Sagun Chanillo is a Professor in the Department of Mathematics at Rutgers, The State University of New Jersey . His research focuses on Nonlinear Analysis , Partial Differential Equations , and related areas in Geometric Analysis and Harmonic Analysis . Research Monographs : "Geometric Analysis of PDE and Several Complex Variables" (AMS), "Harmonic Analysis, Partial Differential Equations and Applications" (Springer), and "Optimal Weak type Inequalities for the Partial Cesaro Sum operator" Research Themes : Dr. Chanillo investigates problems in CR Geometry (e.g., embeddability of CR manifolds, Paneitz operator properties), Fluid Mechanics (e.g., Navier-Stokes with divergence-free data), and Geometric PDE (e.g., Yamabe-type problems, symmetry breaking in eigenvalue optimization). He also explores connections to Number Theory (e.g., Riemann Zeta function in scattering theory) and Mathematical Physics (e.g., Ginzburg-Landau vortices, rotating stars). Recent Publications highlight collaborations with researchers like Paul C. Yang , Jean Van Schaftingen , and Po-lam Yung . Key contributions include sharp bounds for geometric PDEs , nonlinear eigenvalue studies , and probabilistic methods in wave equations .









