Cartan Prolongation of a Family of Curves Acquiring a Node

Susan Jane Colley, Gary Kennedy
2018 Symmetry, Integrability and Geometry: Methods and Applications  
Using the monster/Semple tower construction, we study the structure of the Cartan prolongation of the family x_1x_2 = t of plane curves with nodal central member.
doi:10.3842/sigma.2018.031 fatcat:6ytcrmczdjaidj6pkmxwdzlt4y