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 ...
Carpathian Journal of Mathematics, Vol. 41, No. 2 (2025), pp. 313-328 (16 pages) In this study, we investigate scalar impulsive advanced and delayed differential equations with piecewise constant ...
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