proof ch:08-pdes@proof-1

open in the book · parts/02-mathematical-methods/08-pdes.tex:193

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proof : ch:08-pdes@proof-1prooftheorem 10.8: The type is a coordinate invariant10.8definition 10.6: Type of a second-order operator10.6proposition 7.31: Chain rule7.31theorem 5.116: Sylvester's law of inertia5.116lemma A.90: Affine normalizationA.90proposition 10.13: Canonical form in two variables10.13proposition 10.11: What a characteristic surface is10.11

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typedirectionnode provenancewhere
proves The type is a coordinate invariant declared parts/02-mathematical-methods/08-pdes.tex:193