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4 papers · 2 filters
Recent Efforts in the Computation of String Couplings:
Albrecht Klemm, Stefan Theisen
We review recent advances towards the computation of string couplings. Duality symmetry, mirror symmetry, Picard-Fuchs equations, etc. are some of the tools.
Renormalization and finiteness of topological BF theories
C. Lucchesi, O. Piguet, S. P. Sorella
We show that the BF theory in any space-time dimension, when quantized in a certain linear covariant gauge, possesses a vector supersymmetry. The generator of the latter together w…
Considerations of One-Modulus Calabi-Yau Compactifications: Picard-Fuchs Equations, Kähler Potentials and Mirror Maps
Albrecht Klemm, Stefan Theisen
We consider Calabi-Yau compactifications with one Kähler modulus. Following the method of Candelas et al. we use the mirror hypothesis to solve the quantum theory exactly in depend…
Classical Isomorphisms for Quantum Groups
Vidyut Jain, Oleg Ogievetsky
The expressions for the --matrices for the quantum groups SO(5) and SO(6) in terms of the --matrices for Sp(2) and SL(4) are found, and the lo…