Blar i forfatter "Jensen, Jørn Olav"

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    • Differential Invariants of Linear Symplectic Actions 

      Jensen, Jørn Olav; Kruglikov, Boris (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-07)
      We consider the equivalence problem for symplectic and conformal symplectic group actions on submanifolds and functions of symplectic and contact linear spaces. This is solved by computing differential invariants via the Lie-Tresse theorem.

    • Differential Invariants of Symplectic and Contact Lie Algebra Actions 

      Jensen, Jørn Olav (Master thesis; Mastergradsoppgave, 2020-06-23)
      In this thesis we consider the equivalence problem for symplectic and conformal symplectic group actions on submanifolds and functions. We solve the equivalence problem for general submanifolds by means of computing differential invariants and describing all the invariants of the associated group action by appealing to the Lie-Tresse theorem.