A 2-dimensional Algebraic Variety With 27 Rectilinear Generators and 108 Trisecants and its Connection With the Maximal Exceptional Simple lie Group
Holomorphy angles and sectional curvature in Hermitian elliptic planes over fields and tensor products of fields.
Ball models in Hermitian spaces.
Spaces with exceptional fundamental groups.
Geometric interpretations of some Jordan algebras.
Differentiable functions in associative and alternative algebras and smooth surfaces in projective spaces over these algebras
Homogeneous -symmetric spaces of interior type with simple real fundamental groups and their connection with parabolic spaces.
Surfaces of Constant Curvature and Geometric Interpretations of the Klein-gordon, Sine-gordon and Sinh-gordon Equations
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