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Unpredictable solutions of quasilinear differential equations with generalized piecewise constant arguments of mixed type

Carpathian Journal of Mathematics, Vol. 39, No. 1 (2023), pp. 265-280 (16 pages) An unpredictable solution is found for a quasilinear differential equation with generalized piecewise constant argument ...
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On Mapping Linear Partial Differential Equations to Constant Coefficient Equations

SIAM Journal on Applied Mathematics, Vol. 43, No. 6 (Dec., 1983), pp. 1259-1273 (15 pages) A constructive algorithm is developed to determine whether or not a given linear p.d.e. can be mapped into a ...