A Combinatorial Formula for the Normal Euler Class of a Lattice 2-Manifold in 4-Space

DOI10.2307/2045430zbMath0558.57009OpenAlexW4239742333MaRDI QIDQ3223563

Boris V. Yusin

Publication date: 1984

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2045430

zbMATH Keywords

normal curvaturecombinatorial formula for the normal Euler numbercurvature for polyhedralattice manifoldpolyhedral surface in real 4- space

Mathematics Subject Classification ID

Characteristic classes and numbers in differential topology (57R20) Differential geometry of immersions (minimal, prescribed curvature, tight, etc.) (53C42) Embeddings and immersions in PL-topology (57Q35) Polytopes and polyhedra (52Bxx)

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