A function s on a Riemannian
manifold is called quasi-harmonic if it satisfies Δs = 1, where Δ is the Laplace-Beltrami
operator dδ + δd. Existence of quasiharmonic functions with various boundedness
properties has thus far been investigated by means of useful implicit tests. We now
ask: Can such functions be formed by direct construction, in a manner accessible to
computation if need be?