模型范畴中的障碍与Klein和Williams交不变量
Obstructions in a model category and Klein and Williams' intersection invariants
摘要：
我们给一个障碍的电梯和扩展的模型类别的灵感来自克莱因和威廉姆斯的工作相交理论。在熟悉的障碍，从代数拓扑相反，这种方法产生一个单一的不变量，是完整的存在适当的推广的尺寸和连通性的假设。
英文摘要：
We give an obstruction for lifts and extensions in a model category inspired by Klein and Williams' work on intersection theory. In contrast to the familiar obstructions from algebraic topology, this approach produces a single invariant that is complete in the presences of the appropriate generalizations of dimension and connectivity assumptions.
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。
