Following up Neuts'idea, the SPH-distribution class associated with bounded Q matrices for infinite Markov chains is defined. The main result in this paper
<正>The article is concerned with oscillation of nonautonomous neutral dynamic delay equations on time scales. Sufficient conditions are established for the exi
<正>Let X be a Banach space. If there exists a quotient space of X which is asymptotically isometric to l1, then X contains complemented asymptotically isometri
<正>Suppose {Xn} is a random walk in time-random environment with state space Zd,|Xn| approaches infinity, then under some reasonable conditions of stability, t