フォン・ノイマン環
1. Von Neumann algebraIn mathematics, a von Neumann algebra or W*-algebra is a *-algebra of bounded operators on a Hilbert space that is closed in the weak operator topology and contains the identity operator. They were originally introduced by John von Neumann, motivated by his study of single operators, group representations, ergodic theory and quantum mechanics. His double commutant theorem shows that the analytic definition is equivalent to a purely algebraic definition as an algebra of symmetries.
Read “Von Neumann algebra” on English Wikipedia
Read “フォン・ノイマン環” on Japanese Wikipedia
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Read “Von Neumann algebra” on English Wikipedia
Read “フォン・ノイマン環” on Japanese Wikipedia
Read “Von Neumann algebra” on DBpedia
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