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5 papers · 1 filter
Skein spaces and spin structures
John W. Barrett
This paper relates skein spaces based on the Kauffman bracket and spin structures. A spin structure on an oriented 3-manifold provides an isomorphism between the skein space for pa…
Pulsed Magnetic Field Measurements of the Composite Fermion Effective Mass
D. R. Leadley, M. van der Burgt, R. J. Nicholas +2
Magnetotransport measurements of Composite Fermions (CF) are reported in 50 T pulsed magnetic fields. The CF effective mass is found to increase approximately linearly with the eff…
Quantum Gravity as Topological Quantum Field Theory
John W. Barrett
The physics of quantum gravity is discussed within the framework of topological quantum field theory. Some of the principles are illustrated with examples taken from theories in wh…
A remark on trace properties of K-cycles
Fabio Cipriani, Daniele Guido, Sergio Scarlatti
In this paper we discuss trace properties of -summable -cycles considered by A.Connes in [\rfr(Conn4)]. More precisely we give a proof of a trace theorem on the algebra $\A…
Geometry of Deformed Boson Algebras
P. Crehan, T. G. Ho
Phase-space realisations of an infinite parameter family of quantum deformations of the boson algebra in which the -- and the --deformed algebras arise as special cases are…