New Resources to Explore the Old Galaxy: Mining the SDSS
The Sloan Digital Sky Survey (SDSS) is collecting photometry and intermediate resolution spectra for ~ 10**5 stars in the thick-disk
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Neutrinos and their flavor mixing in nuclear astrophysics
In this thesis we explore the implications of neutrino oscillations in the context of the solar neutrino data, the atmospheric
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AMiBA, XMM, and Cluster Surveys
The Array for Microwave Background Anisotropy (AMiBA) is an interferometric array of 19 dishes co-mounted on a steerable platform and
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Conceptualising Regulatory Change - Explaining Shifts in Telecommunications Governance
Drawing on perspectives from telecommunications policy and neo-Gramscian understandings of international political economy, this paper offers an explanation and analysis
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EUV/X-ray Emission and the Thermal and Ionization Structure of B Star Winds
We discuss the EUV and X-ray properties of B stars, focusing on $ε$ CMa (B2 II) which is the only
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Learning Policies with External Memory
In order for an agent to perform well in partially observable domains, it is usually necessary for actions to depend
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Linear Collider Physics
We report on a study of the physics potential of linear $e^+e^-$ colliders. Although a linear collider (LC) would support
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Locality, Causality, and an Initial Value Formulation for Open String Field Theory
In this paper, we explore the questions of time, locality and causality in the framework of covariant open bosonic string
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Mass Transfer and Accretion in the Eccentric Neutron-Star Binary Circinus X-1
I have carried out a project to study the eccentric neutron-star binary Circinus X-1 through an extensive series of observational
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Mobile Re-Finding of Web Information Using a Voice Interface
Mobile access to information is a considerable problem for many users, especially to information found on the Web. In this
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On coronal abundances derived with the SAX/LECS and ASCA/SIS detectors
We have studied the performance of global chi^2 fitting of low-resolution X-ray spectra in retrieving intrinsic source parameters, with emphasis
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Physics Potential of Solar Neutrino Experiments
We discuss the physics potential of the solar neutrino experiments i) To explore the parameter space of neutrino mass and
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Probing Physics in the Standard Model and Beyond with Electroweak Baryogenesis and Effective Theories of the Strong Interactions
This thesis explores two different avenues aimed at improving our ability to calculate reliably in the Standard Model of particle
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Skyrmions in a ferromagnetic Bose-Einstein condensate
The recently realized multicomponent Bose-Einstein condensates provide opportunities to explore the rich physics brought about by the spin degrees of
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Study of a generalized Metropolis decision rule in auxiliary field quantum Monte Carlo
We consider a generalization of the standard Metropolis algorithm acceptance/rejection decision rule and numerically explore its properties using auxiliary field
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The alpha-effect and current helicity for fast sheared rotators
We explore the alpha-effect and the small-scale current helicity, for the case of weakly compressible magnetically driven turbulence that is
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The Behavior of a Triplet Superconductor in a Spin Only Magnetic Field
We investigate the order parameter of Sr$_2$RuO$_4$ in an exchange-only magnetic field. A Ginzburg-Landau symmetry analysis implies three possibilities: a
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The confusion limit on astrometry with SIM
An important requirement for the Space Interferometry Mission (SIM) is to carry out precision astrometry in crowded fields. This capability
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The David Dunlap Observatory IVC Distance Project: First Results
We present distance estimates to a set of high-latitude intermediate-velocity HI clouds. We explore some of the physical parameters that
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The New Emerging Model for the Structure of Cooling Cores in Clusters of Galaxies
New X-ray observations with XMM-Newton show a lack of spectral evidence for large amounts of cooling and condensing gas in
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Weak decays of Heavy mesons
I explore the possibility of using heavy meson decays as probes for flavour changing neutral transitions (FCNC) $c\to uγ$ and
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What is the Origin of the Baldwin Effect in the BLR and the NLR?
The origin of the luminosity dependence of the strength of broad and narrow emission lines in AGN (i.e. the Baldwin
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When Can You Fold a Map?
We explore the following problem: given a collection of creases on a piece of paper, each assigned a folding direction
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47 Tuc: The Spectroscopic Versus CMD Age Discrepancy
We investigate current problems in obtaining reliable ages for old stellar systems based on stellar population synthesis modelling of their
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