Involutivity of field equations
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🧮 math.DG
math.AP
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equationsfieldinvolutivitybasiccalculatingcartancartan-kahlercohomology
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We prove involutivity of Einstein, Einstein-Maxwell and other field equations by calculating the Spencer cohomology of these systems. Relation with Cartan method is traced in details. Basic implications through Cartan-Kahler theory are derived.
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