Noether converse: All identically conserved geometric tensors are metric variations of an action in (at least) D = 2

The title's century-old conjecture is established for D=2 and is likely for all D.

Bibliographic Details
Main Author: S. Deser
Format: Article
Language:English
Published: Elsevier 2019-08-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269319304344