Principal Symbol of Euler-Lagrange Operators
classification
🌀 gr-qc
math-phmath.MP
keywords
euler-lagrangeoperatorsprincipalshallsymbolarisecharac-clarify
read the original abstract
We shall introduce the principal symbol for Euler-Lagrange operators and use them to charac- terise well-posed initial value problems. We shall clarify how constraints can arise in Lagrangian covariant theories by extending the standard treatment in GR. Finally, we sketch a quantization procedure based on what done in LQG.
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