箭图的内射包络与投射覆盖
Injective Envelopes and Projective Covers of Quivers
摘要：
本文刻画了有向多重图或箭图范畴中的内射对象和投射对象。进一步构造了这类图的内射包络和投射覆盖。
英文摘要：
This paper characterizes the injective and projective objects in the category of directed multigraphs, or quivers. Further, the injective envelope and projective cover of any quiver in this category is constructed.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
