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Homotopy operators and locality theorems in higher-spin equations
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DOI：10.1016/j.physletb.2018.09.038.png)
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Abstract
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A new class of shifted homotopy operators in higher-spin gauge theory is introduced. A sufficient condition for locality of dynamical equations is formulated and Pfaffian Locality Theorem identifying a subclass of shifted homotopies that decrease the degree of non-locality in higher orders of the perturbative expansion is proven. (C) 2018 The Authors. Published by Elsevier B.V.
Keywords:
INTERACTING MASSLESS FIELDS
CONSISTENT EQUATIONS
FORM
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