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The structure of the ground ring in critical W3 gravity

Chuan-Jie Zhu

hep-tharXiv:hep-th/9508125

Abstract

By explicit calculation, I determine the structure of the ground ring of the critical W3 gravity and show that there is an su(3) invariant quadratic relation among the six basic elements. By using this result, I also construct some discrete physical states of the critical W3 gravity.

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