A PHASE relation familiar to students of applied mathematics exists between a simple harmonic oscillation and its derivative. Similar relations exist between exponential functions and their ...

An Exponential Family of Probability Distributions for Directed Graphs: Rejoinder Paul W. Holland and Samuel Leinhardt Journal of the American Statistical Association , pp. 62-65 (4 pages) ...

In this paper the nonparametric local exponential estimator is applied to estimate conditional volatility functions, ensuring its nonnegativity. Its asymptotic properties are established and compared ...