Two-dimensional nonisotropic surfaces with flat normal connection and a nondegenerate Grassmann image of constant curvature in the Minkowski space

• Datum: 2024
• Hauptverfasser: Stegantseva, P., Grechneva, M., Стеганцева, Полина, Стєганцева, Поліна, Гречнєва, Марина
• Format: Artikel
• Sprache: Ukrainisch
• Veröffentlicht: Institute of Mathematics, NAS of Ukraine 2024
• Online Zugang: https://umj.imath.kiev.ua/index.php/umj/article/view/6743
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

UDC 514.764 We find possible values of  curvature of the Grassmann manifold along the  planes tangential to the Grassmann image of a two-dimensional nonisotropic surface with flat normal connection in the four-dimensional Minkowski space. It is shown that if th...