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Black hole merger spins point near perpendicular directions
Analysis of gravitational-wave data reveals that merging black holes predominantly exhibit near-perpendicular spin orientations, suggesting most form in triple-star systems.
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Non-Gaussian measurements enable near-optimal coherent state discrimination
Study demonstrates that non-Gaussian continuous quantum measurements can achieve near-optimal coherent state discrimination, surpassing traditional Gaussian limits without requiring photon detection.
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Spline-based score-driven models allow flexible time-varying parameters
Score-driven time-varying parameter model using spline-based densities without parametric assumptions, with applications to inflation and volatility filtering.