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1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeFeb 28th 2025
   • PermaLink
   Author: Urs
   Format: MarkdownItexadded pointer to: * [[Julian Schwinger]]: *Quantum Kinematics and Dynamics*, CRC Press (1969, 1991) &lbrack;[ISBN:9780738203034](https://www.routledge.com/Quantum-Kinematics-And-Dynamic/Schwinger/p/book/9780738203034?srsltid=AfmBOopc1mHvjXy-9P4osTWSNmgMcshwipyqnBSRWr9wbFOAe380eo8h), [pdf](https://api.pageplace.de/preview/DT0400.9780429966484_A34209721/preview-9780429966484_A34209721.pdf)&rbrack; * [[Julian Schwinger]] (ed.: Berthold-Georg Englert): *Quantum Mechanics -- Symbolism of Atomic Measurements*, Springer (2001) &lbrack;[doi:10.1007/978-3-662-04589-3](https://doi.org/10.1007/978-3-662-04589-3)&rbrack; with a link to [arguments](https://ncatlab.org/nlab/show/category+algebra#ReferencesQuantumObservableAlgebrasAsGroupoidAlgebras) that Schwinger secretly (re-)invented groupoid algebra, in these books. <a href="https://ncatlab.org/nlab/revision/diff/Julian+Schwinger/12">diff</a>, <a href="https://ncatlab.org/nlab/revision/Julian+Schwinger/12">v12</a>, <a href="https://ncatlab.org/nlab/show/Julian+Schwinger">current</a>

   added pointer to:

   • Julian Schwinger: Quantum Kinematics and Dynamics, CRC Press (1969, 1991) [ISBN:9780738203034, pdf]

   • Julian Schwinger (ed.: Berthold-Georg Englert): Quantum Mechanics – Symbolism of Atomic Measurements, Springer (2001) [doi:10.1007/978-3-662-04589-3]

   with a link to arguments that Schwinger secretly (re-)invented groupoid algebra, in these books.

   diff, v12, current