Singularities and Bifurcations of Pseudospherical Surfaces
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OWP2020_08.pdf (3.631Mb)Date
2020-03-17MFO Scientific Program
Research in Pairs 2019Series
Oberwolfach Preprints;2020,08Metadata
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Abstract
We study singularities and bifurcations of constant negative curvature surfaces in Euclidean 3-space via their association with Lorentzian harmonic maps. This preprint presents the basic results on this, the full proofs of which will appear in an article under preparation. We show that the generic bifurcations in 1-parameter families of such surfaces are the Cuspidal Butterfly, Cuspidal Lips, Cuspidal Beaks, 2/5 Cuspidal edge and Shcherbak bifurcations.
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