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Dynamical Systems with First- and Second-Class Constraints and the Second Noether Theorem
High Energy Physics - Theory · Submitted 17 Dec 1996
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim It is proved that second-class constraints do not contribute to the transformation law of the local symmetry which entirely is entirely stipulated by all the first-class constraints.
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The abstract, sentence by sentence
Dynamical systems, described by Lagrangians with first- and second-class constraints, are investigated. In the Dirac approach to the generalized Hamiltonian formalism, the classification and separation of the first- and second-class constraints are presented with the help of passing to an equivalent canonical set of constraints. The general structure of second-class constraints is clarified. The method of constructing the generator of symmetry transformations in the second Noether theorem is given. It is proved that second-class constraints do not contribute to the transformation law of the local symmetry which entirely is entirely stipulated by all the first-class constraints.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Dynamical systems, described by Lagrangians with first- and second-class constraints, are investigated. | background 0.59 | 0.74 | 0.03 | asserted 0.91 |
| s1 | In the Dirac approach to the generalized Hamiltonian formalism, the classification and separation of the first- and second-class constraints are presented with the help of passing to an equivalent canonical set of constraints. | method 0.77 | 0.78 | 0.05 | asserted 1.00 |
| s2 | The general structure of second-class constraints is clarified. | contribution 0.81 | 0.82 | 0.05 | asserted 0.98 |
| s3 | The method of constructing the generator of symmetry transformations in the second Noether theorem is given. | contribution 0.55 | 0.85 | 0.07 | asserted 0.98 |
| s4 | It is proved that second-class constraints do not contribute to the transformation law of the local symmetry which entirely is entirely stipulated by all the first-class constraints. | result 1.00 | 0.90 | 0.79 | asserted 1.00 |
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Original abstract
Dynamical systems, described by Lagrangians with first- and second-class constraints, are investigated. In the Dirac approach to the generalized Hamiltonian formalism, the classification and separation of the first- and second-class constraints are presented with the help of passing to an equivalent canonical set of constraints. The general structure of second-class constraints is clarified. The method of constructing the generator of symmetry transformations in the second Noether theorem is given. It is proved that second-class constraints do not contribute to the transformation law of the local symmetry which entirely is entirely stipulated by all the first-class constraints.
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