An investigation of the revised CORS method based on theoretical models
Direct measurements of Cepheid radii are a key for understanding the physical structure of these variables, and in turn for
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Cepheid Radii and the Cors Method Revisited
We have refined the CORS method, introduced in 1980 for the computation of the cepheid radii, in order to extend
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Enhancing the Alloy Analyzer with Patterns of Analysis
Formal techniques have been shown to be useful in the development of correct software. But the level of expertise required
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GAW (Gamma Air Watch): a novel imaging Cherenkov telescope
GAW (Gamma Air Watch) is a new imaging Cherenkov telescope designed for observation of very high-energy gamma-ray sources. GAW will
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Large N field theories from superstrings
These are introductory lectures on the correspondence between SU(N) gauge theories and Superstring Theory in anti-de Sitter geometries (AdS). The
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On a conjecture of Lange
Let C be a projective smooth curve of genus g> 1. Let E be a vector bundle of rank r
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Quasisoft X-Ray Sources: Unusual States of Stellar-Mass Objects, or Intermediate Mass Black Holes?
Chandra observations of nearby galaxies have revealed a number of X-ray sources characterized by high luminosities ($L_X > \sim10^{36}$ erg
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Renormalization constants from string theory
We review some recent results on the calculation of renormalization constants in Yang-Mills theory using open bosonic strings. The technology
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Superluminal Motion and Relativistic Beaming in Blazar Jets
High resolution radio observations remain the most direct way to study the formation and evolution of radio jets associated with
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Tetrad Gravity: I) A New Formulation
A new version of tetrad gravity in globally hyperbolic, asymptotically flat at spatial infinity spacetimes with Cauchy surfaces diffeomorphic to
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Tetrad Gravity: II) Dirac's Observables
After a study of the Hamiltonian group of gauge transformations of canonical tetrad gravity on globally hyperbolic, asymptotically flat at
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The field theory limit of multiloop string amplitudes
We report on recent progress in the use of string techniques for the computation of field theory amplitudes. We show
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Two dimensional nature of superconductivity in intercalated layered systems Li$_{x}$HfNCl and Li$_{x}$ZrNCl: muon spin relaxation and magnetization measurements
We report muon spin relaxation ($μ$SR) and magnetization measurements, together with synthesis and characterization, of the Li-intercalated layered superconductors Li$_{x}$HfNCl
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Unconventional superconductivity in Na$_{0.35}$CoO$_{2}\cdot$1.3D$_{2}$O and proximity to a magnetically ordered phase
Muon spin relaxation ($μ$SR) measurements on the new layered cobalt oxide superconductor Na$_{0.35}$CoO$_{2}\cdot$1.3H$_{2}$O and its parent, non-superconducting compounds, have revealed
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Variability and Velocity of Superluminal Sources
We investigate the relation between the Doppler factor determined from variations in total flux at 22 and 37 GHz, and
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Milne and Torus Universes Meet
Three dimensional quantum gravity with torus universe, T^2xR topology is reformulated as the motion of a relativistic point particle moving
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