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5 papers · 1 filter
Algebraic vector bundles on punctured affine spaces and smooth quadrics
Brent Doran, Jun Yu
We construct examples of non-isomorphic algebraic vector bundles on the punctured affine space with isomorphic pullbacks to the smooth quadric.
Two Emission Mechanisms in the Fermi Bubbles: A Possible Signal of Annihilating Dark Matter
Dan Hooper, Tracy R. Slatyer
We study the variation of the spectrum of the Fermi Bubbles with Galactic latitude. Far from the Galactic plane (|b| > 30 degrees), the observed gamma-ray emission is nearly invari…
Arthur-Merlin Streaming Complexity
Tom Gur, Ran Raz
We study the power of Arthur-Merlin probabilistic proof systems in the data stream model. We show a canonical streaming algorithm for a wide class of data stream pro…
An exact integral relation between the Ni56 mass and the bolometric light curve of a type Ia supernova
Boaz Katz, Doron Kushnir, Subo Dong
An exact relation between the Ni56 mass and the bolometric light curve of a type Ia supernova can be derived as follows, using the following excellent approximations: 1. the emissi…
The mass and the radius of the neutron star in the transient low mass X-ray binary SAX J1748.9-2021
Tolga Guver, Feryal Ozel
We use time resolved spectroscopy of thermonuclear X-ray bursts observed from SAX J1748.9-2021 to infer the mass and the radius of the neutron star in the binary. Four X-ray bursts…