A catastrophe which can occur for four control factors and two behavior axes. The parabolic umbilic catastrophe is given by the unfolding
of 
.
Parabolic Umbilic Catastrophe
See also
Catastrophe TheoryExplore with Wolfram|Alpha
References
Sanns, W. Catastrophe Theory with Mathematica: A Geometric Approach. Germany: DAV, 2000.Referenced on Wolfram|Alpha
Parabolic Umbilic CatastropheCite this as:
Weisstein, Eric W. "Parabolic Umbilic Catastrophe." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ParabolicUmbilicCatastrophe.html