构造了一类无闭点概型,其中既存在包含着无穷多个无闭点开子概型的无闭点概型,也存在开子概型皆有闭点的无闭点概型。
It is presented that there exists a class of schemes without closed points. It coutains not only schemes with infinitely many open subschemes without closed points, but also those without any open sub schemes without closed points.