Lisa Kattchee and Karl Kattchee
Artist, and Associate Professor of Mathematics
Coralville, Iowa and La Crosse, Wisconsin, USA
This brother/sister collaboration is based on the premise that mathematics and art are inseparable and they interact on many levels.

Theory of Intersection
70 x 55 cm
mixed media on canvas
2014
After going to the trouble of posing a combinatorial problem about the flow of traffic at an intersection, diagramming the solution, and covering the plane with multiple copies of it, we were drawn to the interesting nonconvex polygonal form that appeared in the negative space. That polygon is the focus of this painting.