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 ...

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 ...

We often hear the expression “half life”. That expression is usually voiced regarding the duration of something nasty like radiation emanating from nuclear waste. It may be instructive to look at the ...

According to physics, the universe and everything in it can be explained by just a handful of equations. They’re difficult equations, all right, but their simplest feature is also the most mysterious ...