发表机构
Iowa State University(爱荷华州立大学)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
本文用集合论方法证明每个AW*-代数都是正规的,解决Wright悬置46年的问题,并建立因子情形到一般情形的力迫传递原理。
AI 中文摘要
利用集合论方法,我们证明了每个 $\mathrm{AW}^*$-代数都是正规的,解决了Wright提出的一个悬而未决46年的问题。此前,在 $\mathrm{AW}^*$-因子的情形下,这一结论已由Saitô和Wright的工作所知晓。我们还证明,如果存在一个 $\mathrm{ZFC}$ 的模型 $V$,其中有一个 $\mathrm{AW}^*$-代数不是单调完备的,那么在 $V$ 的某个力迫扩张中,存在一个 $\mathrm{AW}^*$-因子不是单调完备的,这意味着任何证明所有 $\mathrm{AW}^*$-因子都是单调完备的 $\mathrm{ZFC}$ 证明,都能推出一个证明所有 $\mathrm{AW}^*$-代数都是单调完备的 $\mathrm{ZFC}$ 证明。这两个结果都建立在最初由Ozawa发展的布尔值因子表示的传递原理之上。这项工作得到了Danus LLM编排系统的协助。
英文摘要
Using set-theoretic methods, we prove that every $\mathrm{AW}^*$-algebra is normal, resolving a question of Wright that has stood open for 46 years. This was previously known in the case of $\mathrm{AW}^*$-factors, by work of Saitô and Wright. We also show that if there is a model $V$ of $\mathrm{ZFC}$ with an $\mathrm{AW}^*$-algebra that fails to be monotone complete, then in some forcing extension of $V$ there is an $\mathrm{AW}^*$-factor that fails to be monotone complete, implying that any $\mathrm{ZFC}$ proof that all $\mathrm{AW}^*$-factors are monotone complete yields a $\mathrm{ZFC}$ proof that all $\mathrm{AW}^*$-algebras are monotone complete. Both results build on transfer principles for Boolean-valued factor representations originally developed by Ozawa. This work was assisted by the Danus LLM orchestration system.
Comments27 pages, comments welcome