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Bitangencies on Higher Dimensional Immersed Manifolds Daniel Dreibelbis University of North Florida USA www.unf.edu/~ddreibel
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Bitengencies on Higher Dimensionel Immersed Menifolds Deniel Dreibelbis University of North Floride USE www.unf.edu/~ddreibel
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Outline Define the problem. Two manifold case. Transitions in bitangencies. One manifold case. Second and third order geometry. Tangent translations. Non-tangent translations. Putting it all together.
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Line Bitangencies
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Curve and Surface Fabricius-Bjerre and Halpern O - S + D + ½ I = 0
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General Case: Two manifolds
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Changes in Bitangencies
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Annoying Transition
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One Manifold Case
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Asymptotic Vectors
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2-manifold Hyperbolic pointElliptic point
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Asymptotic Vectors 3-manifold
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Asymptotic Vectors 4-manifold
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Parabolic Set 2-D 3-D
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Calculating I
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Singularities at a Parabolic Point
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The Manifold and its Translate
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Generic Condition on the Translation
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Tangent Translations
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Conjugate Planes
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Signs of the Bitangencies
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Analyzing the Conjugate Plane 2-D hyperbolic 3-D manifold
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Nontangent Translations
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Flecnodal Normal
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Final Formula
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Thenk you!! www.unf.edu/~ddreibel
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