Tangential and normal Euler numbers, complex points, and singularities of projections for oriented surfaces in four-space
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Publication:1318499
DOI10.2140/pjm.1993.161.1zbMath0815.57024OpenAlexW1975379108MaRDI QIDQ1318499
Thomas F. Banchoff, Frank A. Farris
Publication date: 9 July 1995
Published in: Pacific Journal of Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2140/pjm.1993.161.1
Gauss mapcomplex pointsgeneric smooth immersion of a closed oriented surface into \(\mathbb{R}^ 4\)zeroes of a generic normal vector fieldzeroes of a generic tangential vector
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