Van Kampen - Zeeman Linked Spheres

The figure shows a rendering of the Van Kampen - Zeeman linked spheres, two unknotted 2-spheres non-trivially linked in four dimensions. To see why these spheres are non-trivially linked see Knots and Links, page 88.

The link is obtained by "spinning" the following link

about the indicated plane into four dimensions.

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Copyright © 1998 by Robert G. Scharein