Classification of unit-vector fields in convex polyhedra with tangent boundary conditions - Robbins, J M; Zyskin, M (Journal of physics. A, Mathematical and general, 2004)
Keywords: Display devices, liquid-crystal devices; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Geometry, differential geometry, and topology; Mathematical methods in physics; Optical elements, devices, and systems; Optics; Physics; Polyhedron; Invariant; Vertex; Field orientation; Vector fields; Classification; Boundary conditions; Kinks; Sum rules; Liquid crystals