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14 papers · 1 filter
Superconformal Invariants and Extended Supersymmetry
P. S. Howe, P. C. West
The superconformal invariants in analytic superspace are found. Superconformal invariance is shown to imply that the Green's functions of analytic operators are invariant holomorph…
Is N=4 Yang-Mills Theory Soluble?
P. S. Howe, P. C. West
The superconformal properties of N=4 Yang-Mills theory are most naturally studied using the formalism of harmonic superspace. Superconformal invariance is shown to imply that the G…
D=11, p=5
P. S. Howe, E. Sezgin
The equations of motion of the super five-brane in D=11 dimensions are derived using the formalism of superembeddings. The equations describe highly nonlinear self-interactions of…
Twisted Quantum Affine Algebras
Vyjayanthi Chari, Andrew Pressley
We classify the irreducible finite-dimensional representations of the twisted quantum affine algebras.
Quantum Affine Algebras at Roots of Unity
Vyjayanthi Chari, Andrew Pressley
We study the restricted form of the qaunatized enveloping algebra of an untwisted affine Lie algebra and prove a triangular decomposition for it. In proving the decomposition we pr…
The Problem of Differential Calculus on Quantum Groups
Gustav W. Delius
The bicovariant differential calculi on quantum groups of Woronowicz have the drawback that their dimensions do not agree with that of the corresponding classical calculus. In this…