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Mathematical methods in classical mechanics, classical and quantum field theory, quantum mechanics, statistical mechanics, condensed matter, nuclear and atomic physics.
1
vote
Symplectic orbits in projective Hilbert spaces are simply connected
I do not have access to the article you are citing but I have made a little search and I think the answer to your question is yes (given that we are speaking about a non-compact, connected, semisimple …
5
votes
Accepted
Examples of particle systems with higher-order collisions
I understand that the OP's original focus is classical statistical mechanics. However, i think that the question is of interest from a more general viewpoint including the dynamical systems/integrabil …
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 …
13
votes
The Planck constant for mathematicians
About your Q1: I think that the simplest—and most obvious—way to think mathematically about the physical meaning of Planck's constant $h$ is that it is a kind of quantitative measure of the departure …
2
votes
Practical example of Hamiltonian reduction
If i correctly understand your question, i think what you are talking about is the so called Poincare reduction method. This actually generalises Liouville integrability, in the sense that in the pres …
11
votes
Limiting representation theory of quantum groups at roots of unity and $SL(2,\mathbb{C})$
This is a very interesting question. I have also made some search but i have not found this result explicitly mentioned somewhere in the literature. However, i remember i have heard such a claim in th …
21
votes
Accepted
Why is the standard definition of a $(p, q)$-tensor so bizarre?
I think that the answer lies in the "educational culture" of physicists. Physicists are often used -well at least at the undergraduate level- to learn and perform complicated computations with abstra …
5
votes
Accepted
Serre relations for Lie Superalgebras
The Serre relations (some authors also call them Serre-Chevalley relations) for the finite dimensional, complex, basic, classical, simple Lie superalgebras -in analogy with the Lie algebra case- rea …
2
votes
Accepted
Solvable Lie algebra application
There are actually lots of applications of solvable Lie algebras, especially in the field of integrable systems where the solvabiltiy of Hamilton's equations of motion is frequently related to the so …
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 …
1
vote
Physical Applications of Locally Symmetric Spaces
Akshay Venkatesh has some application-oriented work: On quantum unique ergodicity for locally symmetric spaces, see also:
Heat-kernel asymptotics of locally symmetric spaces of rank one and Chern-S …
4
votes
Accepted
Is there another quantum deformation of sl(2)?
Regarding your second question, on other possible deformations of $sl(2)$:
There have been various studies on (multi-parametric) deformations of Lie algebras -as has already been mentioned in the co …
11
votes
Simple Subalgebras of Simple Lie Algebras
I am not sure if this is exactly what you are looking for, but there have been some classic works, developing general methods for such topics:
In Dynkin, Semisimple subalgebras of semisimple Lie al …
1
vote
Graph of a Lie super algebra
Classical, Simple, Complex, Lie superalgebras and Complex, Affine, Kac-Moody algebras and Complex, Kac-Moody Lie superalgebras have an associated graph -up to isomorphism- in the sense of a generalize …
2
votes
Accepted
$P(1)$ strange type classical Lie superalgebras
$P(1)$ is not simple:
To see why, consider the strange, type I, classical, simple, complex, LS $P(n)$, $n\geq 2$ realized as the set of complex, $(2n+2)\times(2n+2)$ matrices $\mathbf{M}$, with grad …