<正>In this paper we prove the persistence of hyperbolic invariant tori in generalized Hamiltonian systems, which may admit a distinct number of action and angl
By using nondegenerate and degenerate quadrics in projective space over finite fields of characteristic 2, some association schemes were canstructed and their p
<正>This paper concerns with an empirical Bayes prediction problem in exponential distribution. Using observed samples, we construct a prediction interval for a