A partial differential equation (PDE) is a mathematical equation that involves multiple independent variables, an unknown function that is dependent on those variables, and partial derivatives of the ...

Harmonic functions, defined as twice continuously differentiable functions satisfying Laplace’s equation, have long been a subject of intense study in both pure and applied mathematics. Their ...

We give a logarithmic derivative lemma in several complex variables and its applications to meromorphic solutions of partial differential equations. Journal Information This monthly journal, published ...