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9 papers · 1 filter
Mixed Data and Classification of Transit Stops
Laura L. Tupper, David S. Matteson, John C. Handley
An analysis of the characteristics and behavior of individual bus stops can reveal clusters of similar stops, which can be of use in making routing and scheduling decisions, as wel…
On conservative sequences and their application to ergodic multiplier problems
Madeleine Elyze, Alexander Kastner, Juan Ortiz Rhoton +2
The conservative sequence of a set under a transformation is the set of all such that . By studying these sequences, we…
Cosmology with gamma-ray bursts: I. The Hubble diagram through the calibrated - correlation
Marek Demianski, Ester Piedipalumbo, Disha Sawant +1
Gamma-ray bursts are the most energetic explosions in the Universe. They are detectable up to very high redshifts, therefore can be used to study the expansion rate of the Universe…
Cosmology with gamma-ray bursts: II Cosmography challenges and cosmological scenarios for the accelerated Universe
Marek Demianski, Ester Piedipalumbo, Disha Sawant +1
Context. Explaining the accelerated expansion of the Universe is one of the fundamental challenges in physics today. Cosmography provides information about the evolution of the uni…
The effect of input phase modulation to a phase-sensitive optical amplifier
Tian Li, Brian E. Anderson, Travis Horrom +2
Many optical applications depend on amplitude modulating optical beams using devices such as acousto-optical modulators (AOMs) or optical choppers. Methods to add amplitude modulat…
Analysis of Co-spatial UV-optical STIS Spectra of Planetary Nebula NGC 3242
Timothy R. Miller, Richard B. C. Henry, Bruce Balick +4
This project sought to consider two important aspects of the planetary nebula NGC 3242 using new long-slit HST/STIS spectra. First, we investigated whether this object is chemicall…