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For the documentation (but arguably also for the design), it would be more transparent to build the amplitude model through functions. In particular, the `_generate_partial_decay` methods can be refor…
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Hey e3nn developer jumping in. Thanks for the wonderful work here. Can you point me to some examples or how I might go about implementing a [simple nequip tetris model ](https://github.com/atomicarchi…
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@atharvchagi This might be a good first issue to get your feet wet. If you look at e3nn/e3nn-jax, there's a lot of complains about not supporting lmax>=10 spherical_harmonics. I think the machinery sh…
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The Wigner symbols and Clebsch Gordan coefficients can be found at two places:
http://docs.sympy.org/latest/modules/physics/quantum/cg.html
http://docs.sympy.org/dev/modules/physics/wigner.html
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In order to use Clebsch-Gordan coefficients (`clebsch_gordan`) and Wigner D (`WignerD`), I have to start my notebook with the 8 lines block.
```julia
using SymPy
import PyCall
#
PyCall.pyimport_c…
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After a study on the codes how we calculate the bispectrum coefficients. I think there exist at least two places where we can improve the code,
1, We routinely call the Clebsch-Gordan (CG) coefficien…
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```
That is we need to calculate
(jk,lm|LM)
```
Original issue reported on code.google.com by `kirill.s...@gmail.com` on 31 Mar 2008 at 6:33
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I was going to suggest a different implementation for CG but someone else already made a very robust one at https://github.com/Jutho/WignerSymbols.jl
I have some ideas and examples that show it can…
TSGut updated
11 months ago
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[e3nn](https://www.connectedpapers.com/main/c7215ab4589ce3590910c597e86b1aba8e460d49/e3nn%3A-Euclidean-Neural-Networks/graph)
```mermaid
flowchart TD;
A[Freeman,1991\nThe design and use of stee…
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```[tasklist]
### Requirements
- [ ] https://github.com/ComPWA/ampform/issues/281
```
### To-do [WIP]
- [ ] Move `scalar_initial_state_mass` and `stable_final_state_ids` config to `HelicityAdap…