The Stability of Attached Shock Waves in Magnetogasdynamic Flow Past a Wedge

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Abstract
The question of the physical significance of the new phenomena indicated by Cabannes' work on magnetogasdynamic flow past a wedge is considered from the point of view of the stability of the shock waves. Analytical and heuristic reasons are given suggesting that downstream-facing shocks are stable if the upstream flow is supersonic and unstable if it is subsonic, while upstream facing shocks are always to be considered unstable.