Browsing OSU Dissertations by Subject "ramification"
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Uncrumpled: A scheme for bounding the pinch points on a variety of projected surfaces
(2023-05)Let X be a smooth surface and let phi be a finitely ramified map from X to P^N with N at least 4, which is birational onto its image Y = phi(X), and with Y non-degenerate in P^N. In this paper, we produce a lower bound for ...