Photos

Escher mechanical trefoils

Escher Moebius-trefoil flat worms

Escher Moebius ants

Knots in Bayeux cathedral (1)

Knots in Bayeux cathedral (2)

Researching in Pairs with Lou Kauffman, Oberwolfach, July 2005

III International Workshop Graphs-Operads-Logic, Mexico, Febrero 2004

Valparaiso, Chile, November 2003

The port of Valparaiso, Chile, November 2003

Poster Presentation (with Lou Kauffman), Mathematics and Molecular Biology, Santa Fe, Jan. 2002

Detail of our poster, Santa Fe 2002

DNA, picture from John Hearst, Chemistry department, Berkeley

A horse in Santa Fe

Ancient knots in Korea, Korea 2000

A house in Goettingen

Ancient knots in Berlin museum

Heurtoir marocain

Decor marocain

Mongolian knots on stamps

Gauss Observatory in Goettingen

Knots in Hellas 1998

On top of Mount Fuji, Knots in Japan 1996