KnowraNoether's second theoremLinked fromLinked fromThe 4 pages that link to Noether's second theorem, each with the reason it gives.All 4Broader topic 1Related 2Compared with 1Gauge theoryRelated: It explains the constraints associated with local gauge redundancy.Noether's theoremCompared with: Unlike the first theorem's finite-parameter symmetries, it treats local gauge symmetries and yields identities.Gauge symmetryRelated: It captures the constraints that local gauge redundancy imposes on field equations.Emmy NoetherBroader topic: It extends Noether’s analysis from global transformations to symmetries depending on spacetime.