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Questions on various methods and aspects of quantization

8 votes
Accepted

Lagrangian Submanifolds in Deformation Quantization

Physically, this is important for the quantization of Dirac's magnetic monopole. …
Stefan Waldmann's user avatar
13 votes

Is the quantum algebra unique (up to isomorphism) in deformation quantization ?

In deformation quantization there is a full classification available: let us first focus on the symplectic case which is easier. … choose a quantization machinery. …
Stefan Waldmann's user avatar
3 votes

graded generalization of the Moyal–Weyl product

Yes, it's just putting signs correctly. Martin Bordemann has a preprint from the 90s where he adapted Fedosov's construction in the graded setting. If you are only interested in the flat situation thi …
Stefan Waldmann's user avatar
6 votes
Accepted

Formal series convergence in deformation quantization and $C^*$-condition

For this (and many related reasons) formal deformation quantization is not the final answer. … So this is the problem of quantization: given a classical physical system, one wants to guess its quantum description. …
Stefan Waldmann's user avatar
3 votes

Equivalence of star products on two differents Poisson algebras?

to 1) A $\mathbb{k}[[\hbar]]$-linear map between $A[[\hbar]]$ and $B[[\hbar]]$ is necessarily of the form $T = T_0 + \hbar T_1 + \cdots$ with $T_r\colon A \longrightarrow B$ being $\mathbb{k}$-linear …
Stefan Waldmann's user avatar
78 votes

The Planck constant for mathematicians

Another, perhaps more important observation is that in quantization in the Schrödinger approach you consider wave functions on configuration space, depending on the position $x$ of dimension length. … In particular in quantization theory this turned out to be a very useful tool. …
Stefan Waldmann's user avatar
4 votes

Deformation quantization of a closed Riemann surface with genus >1

One should definitely take a look at the work of Bordemann, Meinrenken, and Schlichenmaier: they provide a Berezin-Toeplitz inspired deformation quantization for all compact quantizable (i.e. the Kähler … The asymptotics of this was discussed before by Cahen, Gutt, and Rawnsley in their 4 papers of quantization on Kähler manifolds. …
Stefan Waldmann's user avatar