Anantanarayanan Thyagaraja

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We discuss a new non-linear PDE, ut + (2uxx/u)ux = uxxx , invariant under scaling of dependent variable and referred to here as SIdV. It is one of the simplest such translation and space-time reflection-symmetric first order advection-dispersion equations. This PDE (with dispersion coefficient unity) was discovered in a genetic programming search for(More)
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