Vagn Lundsgaard Hansen

Subjects

Functional analysis, Geometry, Mathematical analysis, Mathematics, Nature, Topology, Algebraic Geometry, Algebraic topology, Analyse fonctionnelle, Braid theory, Calculus of variation, Chemistry, analytic, Complex analysis, Congresses, Conic sections, Covering spaces (Topology), Differential Geometry, Espace de Hilbert, Funktionalanalysis, Geometrie, Geometry in nature, Geometry, Non-Euclidean, Geometry, non-euclidean, Géométrie, Hilbert space