Lastly, after we had submitted a preliminary version of this manuscript for refereeing, H.-D. Cao and X.-P. Zhu published an article on the Poincar´e Conjecture and Thurston’s Geometrization Conjecture, see [4].

看来，大家都在争功啊！会不会是Yau知道这本书将出，然后抢先把cao-zhu的文章给发了。当然也可能是cao-zhu的文章把这本书给提前逼出来了。