Algebraic treatment of subsidiary condit
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S Fubini; G Veneziano
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Article
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1971
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Elsevier Science
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English
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## WE BOTH REMEMBER AMOS DE-SHALIT A8 A WONDERFUL FRIEND AND TEACHER The Ward-like identities previously proposed in order to eliminate unphysical states (ghosts) from dual amplitudes and generalized by Virasoro, are investigated within the context of the projective operator language. We are able