This is a preview. Log in through your library . Abstract The purpose of this paper is to show that the empirical characteristic function, when suitably normalised, converges weakly to a stationary ...

Non-parametric procedures, based on the empirical characteristic function, are proposed for estimating the centre δ of a symmetric distribution and for testing the hypothesis of symmetry around an ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...