关于Singer函子R_1和Fix函子
On the Singer functor R_1 and the functor Fix
摘要:
利用Lannes的T-函子构造了Steenrod代数A上不稳定模范畴U上的Singer函子R_1。这就直接证明了复合函子Fix R_1与恒等式自然等价。进一步推导了函子R_1的性质,特别是当应用于约化和零闭不稳定模时。
英文摘要:
Lannes' T-functor is used to give a construction of the Singer functor R_1 on the category U of unstable modules over the Steenrod algebra A. This leads to a direct proof that the composite functor Fix R_1 is naturally equivalent to the identity. Further properties of the functors R_1 are deduced, especially when applied to reduced and nilclosed unstable modules.
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