Curvature contents of geometric spaces.
Lohkamp, Joachim (1998)
Documenta Mathematica
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Lohkamp, Joachim (1998)
Documenta Mathematica
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Brent Collins (2001)
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Iyigün, Esen (2002)
APPS. Applied Sciences
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Takao Yamaguchi (1989)
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Haesen, Stefan, Verpoort, Steven (2010)
Beiträge zur Algebra und Geometrie
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Xu-Jia Wang (2014)
Journal of the European Mathematical Society
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The convexity of level sets of solutions to the mean curvature equation is a long standing open problem. In this paper we give a counterexample to it.
H.B., Jr Lawson, M.-L. Michelsohn (1984)
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Wolfgang Kühnel (1979)
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Christos Baikoussis, Themis Koufogiorgos (1988)
Colloquium Mathematicae
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Thomas Hasanis (1982)
Colloquium Mathematicae
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Jiangguo Liu, Farrah Sadre-Marandi, Simon Tavener, Chaoping Chen (2015)
Molecular Based Mathematical Biology
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It is known that the retrovirus capsids possess a fullerene-like structure. These caged polyhedral arrangements are built entirely from hexagons and exactly 12 pentagons according to the Euler theorem. Viral capsids are composed of capsid proteins, which create the hexagon and pentagon shapes by groups of six (hexamer) and five (pentamer) proteins. Different distributions of these 12 pentamers result in icosahedral, tubular, or conical shaped capsids. These pentamer clusters introduce...
Dae Won Yoon, Yılmaz Tunçer, Murat Kemal Karacan (2013)
Annales Polonici Mathematici
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We study quadric surfaces in Euclidean 3-space with non-degenerate second fundamental form, and classify them in terms of the Gaussian curvature, the mean curvature, the second Gaussian curvature and the second mean curvature.