On free generators in the Grothendieck-Teichmüller Lie Algebra
Thomas Willwacher
math.QAarXiv:2607.18793
Abstract
We prove that any homogeneous family σ3,σ5,… in grt1( K) with nonzero coefficients of x2ky in σ2k+1 generates a free Lie subalgebra, building on the work of Brown.
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