DETERMINING A ROTATION OF A TETRAHEDRON FROM A PROJECTION RICHARD J. GARDNER, PAOLO GRONCHI, AND THORSTEN THEOBALD Abstract. The following problem, arising from medical imaging, is addressed: Suppose that T is a known te

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• Geometry
• Euclidean geometry
• Lie groups
• Deltahedra
• Self-dual polyhedra
• Tetrahedron
• Rotation group SO
• Symbol
• Root system
• Td Molecular Orbitals