261 citations
- Texas A&M UniversityUS56 papers
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30 papers · 1 filter
Infinite-Dimensional Symmetries of Two-Dimensional Coset Models Coupled to Gravity
M. J. Perry, H. Lu, C. N. Pope
In an earlier paper we studied the infinite-dimensional symmetries of symmetric-space sigma models (SSMs) in a flat two-dimensional spacetime. Here, we extend our investigation to…
Operator Theory and Complex Geometry
Ronald G. Douglas
One approach to multivariate operator theory involves concepts and techniques from algebraic and complex geometry and is formulated in terms of Hilbert modules. In these notes we p…
Realistic Type IIB Supersymmetric Minkowski Flux Vacua
Ching-Ming Chen, Tianjun Li, Yan Liu +1
We show that there exist supersymmetric Minkowski vacua on Type IIB toroidal orientifold with general flux compactifications where the RR tadpole cancellation conditions can be rel…
Realistic Yukawa Textures and SUSY Spectra from Intersecting Branes
Ching-Ming Chen, Tianjun Li, V. E. Mayes +1
We study the possible phenomenology of a three-family Pati-Salam model constructed from intersecting D6-branes in Type IIA string theory on the T^6/(Z2 x Z2) orientifold with some…
Inflation from Wrapped Branes
Melanie Becker, Louis Leblond, Sarah Shandera
We show that the use of higher dimensional wrapped branes can significantly extend the inflaton field range compared to brane inflation models which use D3-branes. We construct a s…
Supercriticality of a Class of Critical String Cosmological Solutions
Dimitri V. Nanopoulos, Dan Xie
For a class of Friedmann-Robertson-Walker type string solutions with compact hyperbolic spatial slices formulated in critical dimension, we find the world sheet conformal field the…