Spin-4 extended conformal algebras
AuthorKakas, Antonis C.
SourcePhysics Letters B
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We construct spin-4 extended conformal algebras using the second hamiltonian structure of the KdV hierarchy. In the presence of a U(1) current a family of spin-4 algebras exists but the additional requirement that the spin-1 and spin-4 currents commute fixes the algebra uniquely. © 1988.