noncommutative
adjective
non·com·mu·ta·tive
ˌnän-kə-ˈmyü-tə-tiv 
-ˈkäm-yə-ˌtā-tiv
mathematics
: of, relating to, having, or being the property that a given mathematical operation and set have when the result obtained using any two elements of the set with the operation differs with the order in which the elements are used : not commutative
Subtraction is a noncommutative operation.
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Ultimately, the way to answer this question was to use a tool from algebraic geometry called the noncommutative Positivstellensatz.
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Rachel Crowell, Quanta Magazine, 1 Mar. 2023
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Rachel Crowell, Quanta Magazine, 1 Mar. 2023
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“Noncommutative.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noncommutative. Accessed 22 Dec. 2024.
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