spindel_yellow_desk

Equation

\[ x^2+y^2-z^2=1 \]

Properties:

  • degree 2
  • smooth
  • doubly ruled

Some story

Originally, I printed this hyperboloid of one sheet for a talk I gave at NCSU and Texas A&M, on monodromy. Particularly, this hyperboloid was used to talk about Schubert Calculus, with the intersection of 4 lines in 3-space.

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