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Boundary: Bleed area may not be visible.
by Dan Bach
$67.00
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Product Details
Our premium yoga mats are 24" wide x 72" tall x 0.25" thick and made from natural rubber with a blended microfiber top surface. The top of the mat has the image printed on it, and the back is solid black with textured dimples for better floor grip.
Design Details
When is a space curve or a series of line segments knotted? When it can't be reduced to a band without cutting or passing through itself, that's... more
Care Instructions
Wash with a damp cloth and air dry.
Ships Within
2 - 3 business days
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Jigsaw Puzzle
When is a space curve or a series of line segments knotted? When it can't be reduced to a band without cutting or passing through itself, that's when!
Several “trefoil knots” are shown here. The main blue tube contains a polygonal knot. We see a cubical lattice knot and its B-spline curves (bottom), knots wrapped around a triangular torus polyhedron (upper left), and polygonal knots with various segments (upper right).
At the lower left is the simplest polygonal trefoil knot, with stick number six. The image shows the spline curve may or may not be knotted!
Hi, Dan Bach here, lifelong math nut. I'm a retired college math teacher, and current interactive book author / 3D math artist. In my spare moments I watch a lot of NBA basketball and go on long distance runs, but not at the same time. Students convinced me my calculus pictures could be called art. My work gets viewers to look, think, notice, and wonder. And hopefully say, "That's cool! That's math?"
$67.00
