The normal Euler class and singularities of projections for polyhedral surfaces in 4-space

DOI10.1016/S0040-9383(97)00011-6zbMath0898.57010MaRDI QIDQ1378005

Ockle Johnson, Thomas F. Banchoff

Publication date: 5 February 1998

Published in: Topology (Search for Journal in Brave)

zbMATH Keywords

polyhedral surfacenormal Euler classWhitney's theorems on normal Euler classes of surfaces smoothly immersed in 4-space

Mathematics Subject Classification ID

Characteristic classes and numbers in differential topology (57R20) Embeddings and immersions in PL-topology (57Q35)

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