Anyone know of any recent work on A-spline or algebraic splines?

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Imre Horvath

I am surprised ... There were many publications on algebraic splines in the last decade. As a sample, please see one attached.

Rushan Ziatdinov

What exactly you are interested in?

Sergei Eremenko

Hi Wilfredo, maybe you would be interested in Astrings and Atomit Functuons - new kind of splines

https://solitonscientific.github.io/AtomicString/AtomicString1.html