220 citations · 431 across the 4 of their papers we have counts for
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astro-ph2008★ 66 cited
Inspecting absorption in the spectra of extra-galactic gamma-ray sources for insight into Lorentz invariance violation
Uri Jacob, Tsvi Piran
We examine what the absorbed spectra of extra-galactic TeV gamma-ray sources, such as blazars, would look like in the presence of Lorentz invariance violation (LIV). Pair-productio…
astro-ph2007★ 220 cited
Lorentz-violation-induced arrival delays of cosmological particles
Uri Jacob, Tsvi Piran
We point out that previous studies of possible Lorentz-violating effects in astronomical time-of-flight data did not take into account the entire implications of the universe's cos…