Igor Leite Freire - A look on equations describing pseudospherical surfaces

cm:15963 - Communications in Mathematics, February 19, 2026, Volume 34 (2026), Issue 2 (Special issue: Latin American mathematics) - https://doi.org/10.46298/cm.15963
A look on equations describing pseudospherical surfacesArticle

Authors: Igor Leite Freire ORCID

    We revisit the notion of equations describing pseudospherical surfaces, starting from the works by Sasaki, whose roots were influenced by the AKNS system, the works by Chern and Tenenblat, until current research topics in the field relating to Cauchy problems involving these equations and their geometric consequences.

    https://doi.org/10.46298/cm.15963
    Source: arXiv.org:arXiv:2506.23890
    Volume: Volume 34 (2026), Issue 2 (Special issue: Latin American mathematics)
    Published on: February 19, 2026
    Accepted on: January 15, 2026
    Submitted on: July 1, 2025
    Keywords: Differential Geometry, Mathematical Physics, 37K10 (primary), 53B20 (secondary)

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