Dear Neuromorphs,
If you are looking for the impact of choosing the number of spiking neurons on optimal linear control systems,  this new article may be of interest to you:
https://iopscience.iop.org/article/10.1088/2634-4386/ae0fc0
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Regards,
Shreyan Banerjee
Doctoral Researcher,
Dynamical Systems and Risk Laboratory,
Department of Mechanical and Materials Engineering,
University College Dublin,
Ireland