In this paper, we show first that if a solution u of the equation P2(t, x, u, Du, D)u = f(t, x, u, Du), where P2(t, x, u, Du, D) is a second order strictly hyperbolic quasilinear operator, is conormal ...
This is a preview. Log in through your library . Abstract Many data are suitably modeled by functions consisting of straight-line segments. These functions may be called piecewise-linear. Smooth ...
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