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For questions about mathematical problems arising from physics, the natural science studying general properties of matter, radiation and energy.

3 votes
Accepted

Legendre equation: An interpretation

I am not sure if this is the qualitative/geometric interpretation -of the integrality of the $l$ parameter- you are looking for, but if the parameter $l$ is a non-negative integer then the Legendre po …
Konstantinos Kanakoglou's user avatar
1 vote

Sufficient conditions for unitarity of a representation of a Lie Superalgebra

If i have correctly understood your question, i think that the answer can be found at M. D. Gould, R. B. Zhang, Classification of all star and grade star irreps of gl(n|1), J. of Math. Phys., 31, 15 …
Konstantinos Kanakoglou's user avatar
13 votes

The Planck constant for mathematicians

In this sense, the most familiar noncommutative object in physics is the algebra of canonical commutation relations CCRs: $[x,p]=i\hbar\mathbf{1}$, which comes in place of the Poisson bracket of canonical … About your Q2: On the side of physics, the value of $h$ comes from Planck's interpretation of black-body radiation. …
Konstantinos Kanakoglou's user avatar