proof ch:13-lie-algebra-expansions@proof-23

open in the book · parts/02-mathematical-methods/13-lie-algebra-expansions.tex:1490

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proof : ch:13-lie-algebra-expansions@proof-23prooflemma 15.40: The three symmetric cosets are one ℤ_2×ℤ_2-grading15.40definition 15.24: The four kinematical gradings15.24lemma 15.19: A grading is an involution, and the Killing form respects it15.19proposition 15.23: Brackets in the kinematical splitting15.23proposition 15.25: Which of the four are symmetric cosets15.25proposition 15.42: The Γ-graded commutative algebras15.42theorem 15.43: The three constants of the classification are the three structure constants of A15.43

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proves The three symmetric cosets are one $\Z_{2}\times\Z_{2}$-grading declared parts/02-mathematical-methods/13-lie-algebra-expansions.tex:1490