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Cuntz semigroups of ultraproduct C∗‐algebras
Journal of the London Mathematical Society ( IF 1.2 ) Pub Date : 2020-05-20 , DOI: 10.1112/jlms.12343 Ramon Antoine 1, 2 , Francesc Perera 1, 2 , Hannes Thiel 3
Journal of the London Mathematical Society ( IF 1.2 ) Pub Date : 2020-05-20 , DOI: 10.1112/jlms.12343 Ramon Antoine 1, 2 , Francesc Perera 1, 2 , Hannes Thiel 3
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We prove that the category of abstract Cuntz semigroups is bicomplete. As a consequence, the category admits products and ultraproducts. We further show that the scaled Cuntz semigroup of the (ultra)product of a family of ‐algebras agrees with the (ultra)product of the scaled Cuntz semigroups of the involved ‐algebras.
中文翻译:
超乘C *-代数的Cuntz半群
我们证明抽象Cuntz半群的类别是双完全的。因此,该类别承认产品和超产品。我们进一步证明了一个族的(超)乘积的按比例缩放的Cuntz半群-代数与所涉及的按比例缩放的Cuntz半群的(超)乘积一致 -代数
更新日期:2020-05-20
中文翻译:
超乘C *-代数的Cuntz半群
我们证明抽象Cuntz半群的类别是双完全的。因此,该类别承认产品和超产品。我们进一步证明了一个族的(超)乘积的按比例缩放的Cuntz半群-代数与所涉及的按比例缩放的Cuntz半群的(超)乘积一致 -代数