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53 papers · 1 filter
Quiver Matrix Mechanics for IIB String Theory (I): Wrapping Membranes and Emergent Dimension
Jian Dai, Yong-Shi Wu
In this paper we present a discrete, non-perturbative formulation for type IIB string theory. Being a supersymmetric quiver matrix mechanics model in the framework of M(atrix) theo…
Measurement of the partial widths of the Z into up- and down-type quarks
The OPAL collaboration, G. Abbiendi
Using the entire OPAL LEP1 on-peak Z hadronic decay sample, Z -> qbarq gamma decays were selected by tagging hadronic final states with isolated photon candidates in the electromag…
Continuous and discontinuous phase transitions in hypergraph processes
R. W. R. Darling, D. A. Levin, J. R. Norris
Let V denote a set of N vertices. To construct a "hypergraph process", create a new hyperedge at each event time of a Poisson process; the cardinality K of this hyperedge is random…
Compactifications of Heterotic Strings on Non-Kahler Complex Manifolds: II
Katrin Becker, Melanie Becker, Keshav Dasgupta +2
We continue our study of heterotic compactifications on non-Kahler complex manifolds with torsion. We give further evidence of the consistency of the six-dimensional manifold prese…
Integrable Spin Chain and Operator Mixing in N=1,2 Supersymmetric Theories
Xiao-Jun Wang, Yong-Shi Wu
We study operator mixing, due to planar one-loop corrections, for composite operators in D=4 supersymmetric theories. We present some N=1,2 Yang-Mills and Wess-Zumino models, in wh…
Hodge structures for orbifold cohomology
Javier Fernandez
We construct a polarized Hodge structure on the primitive part of Chen and Ruan's orbifold cohomology for projective -orbifolds satisfying a ``Hard Lefschetz…