Unitary irreducible representations of \documentclass[12pt]{minimal}$\mathrm{SL(2,\mathbb {C})}$ SL (2,C) in discrete and continuous \documentclass[12pt]{minimal}$\mathrm{SU(1,1)}$ SU (1,1) bases
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Bibliographic record
Abstract
We derive the matrix elements of generators of unitary irreducible representations of \documentclass[12pt]{minimal}\begin{document}$\mathrm{SL(2,\mathbb {C})}$\end{document} SL (2,C) with respect to basis states arising from a decomposition into irreducible representations of SU(1,1). This is done with regard to a discrete basis diagonalized by \documentclass[12pt]{minimal}\begin{document}$J^3$\end{document}J3 and a continuous basis diagonalized by \documentclass[12pt]{minimal}\begin{document}$K^1$\end{document}K1, and for both the discrete and continuous series of SU(1,1). For completeness, we also treat the more conventional SU(2) decomposition as a fifth case. The derivation proceeds in a functional/differential framework and exploits the fact that state functions and differential operators have a similar structure in all five cases. The states are defined explicitly and related to SU(1,1) and SU(2) matrix elements.
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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