These two AI players have a particularly close relationship.Nvidia (NVDA 3.52%) has built an artificial intelligence (AI) empire thanks to the dominance of its AI chips and its expansion into a wide variety of other related offerings. But the company isn't isolating itself, and instead, has looked to work with others -- even much smaller players -- in this AI boom. One company in particular has become a key Nvidia ally, and that's CoreWeave (CRWV 0.39%).CoreWeave launched an initial public offering in March ...