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Worldvolume Theories, Holography, Duality and Time
Chris M. Hull, Ramzi R. Khuri
Duality transformations involving compactifications on timelike as well as spacelike circles link M-theory, the 10+1-dimensional strong coupling limit of IIA string theory, to othe…
Duality and Strings, Space and Time
C. M. Hull
Duality symmetries in M--theory and string theory are reviewed, with particular emphasis on the way in which string winding modes and brane wrapping modes can lead to new spatial d…
The Geometry of Supersymmetric Quantum Mechanics
C. M. Hull
One-dimensional sigma-models with N supersymmetries are considered. For conventional supersymmetries there must be N-1 complex structures satisfying a Clifford algebra and the cons…
The Geometry of Sigma-Models with Twisted Supersymmetry
Mohab Abou Zeid, Christopher M. Hull
We investigate the relation between supersymmetry and geometry for two dimensional sigma models with target spaces of arbitrary signature, and Lorentzian or Euclidean world-sheets.…