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Freeness conjecture for the degree-one subalgebra of the noncommutative Connes–Kreimer algebra
Freeness conjecture. The $\fontfamily{U}\fontshape{n}\selectfont{As}^2$ -subalgebra of $NCK$ generated by elements of degree $1$ is a free algebra over the operad of two compatible…
Conjectureopencompatible-products operads rooted-treesarXiv posted 2 days ago

Freeness conjecture for the degree-one subalgebra of the noncommutative Connes–Kreimer algebra