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Questions asking for the intuition behind some definition, conjecture, proof etc. In other words, questions designed to improve or to acquire understanding on a conceptual or intuitive level, as opposed to on a technical or formal level. When asking such a question it can be helpful to include a rough description of ones understanding of the subject at hand (on a technical level).
4
votes
Why is addition of observables in quantum mechanics commutative?
If I correctly understand, you are misinterpreting the meaning of the product and sum of observables.
When you say "We can now define a sum and a product of observables. These are obtained by perform …
12
votes
Geometric interpretation of trace
However, you can still convey the intuition that the trace is secretly an integral to undergrad students by observing that :
-when a matrix $A$ is in diagonal form, the trace is really the integral of …