Aknin, Lara B., Elizabeth W. Dunn, and Michael I. Norton. "Happiness Runs in a Circular Motion: Evidence for a Positive Feedback Loop between Prosocial Spending and Happiness." Journal of Happiness ...

In this paper we analyze the Hubert boundary-value problem of the theory of analytic functions for an (N + 1)-connected circular domain. An exact series-form solution has already been derived for the ...