7 Answers votes newest views recent 3What is the theoretical interest of finding closed-form sols. of infinite series? 1Collection of equivalent forms of Riemann Hypothesis -1Proofs without words (2) 2Why is the Laplacian ubiquitous? 0Asymptotic estimates for the Exponential 3Can one recognize this symmetric function? 0Nonvanishing of Jacobians implies global injectivity?