证明了泛态射范畴是一个Abelian范畴,并通过一般Abelian范畴之间的recollement及其比较函子构造出泛态射范畴的recollement.
Prove that tion. And then discuss the ison of Abelian category the universal arrow category is an Abelian category under certain condi- construction of universal arrow category recollement based on the compar-ison oi Abehan category.