现代部门分解战略中的赫普和斯佩尔部门
Hepp and Speer Sectors within Modern Strategies of Sector Decomposition
摘要：
赫普和斯佩尔部门被成功地用于在六十年代和七十年代证明数学定理的解析或/和维数正规化和重整化费曼积分在欧几里得外动量。我们描述他们在最近开发的策略，引入迭代扇区分解。我们表明，斯佩尔部门内复制现有的战略之一。
英文摘要：
Hepp and Speer sectors were successfully used in the sixties and seventies for proving mathematical theorems on analytically or/and dimensionally regularized and renormalized Feynman integrals at Euclidean external momenta. We describe them within recently developed strategies of introducing iterative sector decompositions. We show that Speer sectors are reproduced within one of the existing strategies.
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