%0 Journal Article %T Aspects of Gravitational Clustering %A T. Padmanabhan %J Physics %D 1999 %I arXiv %X Several issues related to the gravitational clustering of collisionless dark matter in an expanding universe is discussed. The discussion is pedagogical but the emphasis is on semianalytic methods and open questions - rather than on well established results. %U http://arxiv.org/abs/astro-ph/9911374v2