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PGL(2) actions on Grassmannians and projective construction of rational curves with given restricted tangent bundle by Alzati, Alberto; Re, Riccardo is a scholarly article available to read on EtoBox.

What is PGL(2) actions on Grassmannians and projective construction of rational curves with given restricted tangent bundle about?

We give an explicit parametrization of the Hilbert schemes of rational curves C in P^n having a given splitting type of the restricted tangent bundle from P^n to C. The adopted technique uses the description of such curves as projections of a rational normal curve from a suitable linear vertex and a classification of those vertices that correspond to the required splitting type of the restricted tangent bundle. This classification involves the study of a suitable PGL(2) action on the relevant Grassmannian variety.

Author

Alzati, Alberto; Re, Riccardo

Published

2014

Language

EN