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 ...
This is a preview. Log in through your library . Abstract We prove the existence and uniqueness of solutions of a class of second order differential equations with piecewise constant mixed arguments ...
This is a preview. Log in through your library . Abstract It was conjectured by Janet that an analytic solution to a system of $n$ "independent" analytic differential ...
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