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This repository contains the notebook with symbolic computations in SAGE for the paper "Transverse bifurcation of viscous slow MHD shocks", by Blake Barker, Rafael Monteiro, and Kevin Zumbrun. The code is not intended to be optimized, and in several parts (believe it or not) we chose clarity to the detriment of efficiency. The preprint can be fo…
A multidimensional jet space engine for high-order mixed partial Log-Tower derivatives. Features a Chronological Step-Operator Engine (Anchor/Web logic) that eliminates Bell polynomial explosion via asymmetric tensor caching. Replaces the quotient rule with an optimized derivative generator for lightning-fast symbolic mapping.