关于Menger PN-空间中增算子不动点的研究

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首先在MengerPN-空间中引入锥理论,然后利用锥理论来讨论MengerPN-空间的增算子不动点问题,证明了①正规锥中,凝聚增算子存在不动点;②正则锥中,连续增算子存在不动点;③强极小锥中,增算子存在不动点。文章的结果不仅推广了Banach空间的相应结果,也丰富了MengerPN-空间中的理论。
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