105 citations
- National Radio Astronomy ObservatoryUS16 papers
- Center for Astrophysics Harvard & SmithsonianUS10 papers
- Universidad Nacional Autónoma de MéxicoMX7 papers
- Dickinson CollegeUS5 papers
- Heidelberg UniversityDE5 papers
- American Museum of Natural HistoryUS4 papers
- Boston UniversityUS4 papers
- European Southern ObservatoryCL4 papers
- Max Planck Institute for Extraterrestrial PhysicsDE4 papers
- University of CologneDE4 papers
- University of Colorado BoulderUS4 papers
- Centre National de la Recherche ScientifiqueFR3 papers
Showing 2009Show all
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math.DS2009
Symbolic dynamics for nonhyperbolic systems
David Richeson, Jim Wiseman
We introduce index systems, a tool for studying isolated invariant sets of dynamical systems that are not necessarily hyperbolic. The mapping of the index systems mimics the expans…
astro-ph.SR2009★ 22 cited
Massive star formation and feedback in W49A: The source of our Galaxy's most luminous water maser outflow
Nathan Smith, Barbara A. Whitney, Peter S. Conti +2
We present high spatial resolution mid-IR images of the ring of UCHII regions in W49A obtained at Gemini North, allowing us to identify the driving source of its powerful H2O maser…