WIAS Preprint No. 3171, (2025)

A multiplicative surface signature through its Magnus expansion


Authors

  • Chevyrev, Ilya
  • Diehl, Joscha
  • Ebrahimi-Fard, Kurusch
  • Tapia, Nikolas
    ORCID: 0000-0003-0018-2492

2020 Mathematics Subject Classification

  • 60L20 60L70

Keywords

  • Two-parameter signature, signature, sewing lemma, crossed modules, free Lie algebra, Magnus expansion

DOI

10.20347/WIAS.PREPRINT.3171

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