The Klein bottle is a one-sided surface named after the great 19th-century mathematician Felix Klein, who was one of the first mathematicians to explore its unusual properties. The Klein bottle is formed from a square piece of paper by gluing opposite...

In mathematics, the Klein bottle is a certain non-orientable surface, i.e., a surface (a two-dimensional topological space) with no distinction between the "inside" and "outside" surfaces. Other related non-orientable objects are the Möbius strip and...

IN 1882, THE PRUSSIAN MATHEMATICIAN FELIX KLEIN DREAMED OF CREATING A BOTTLE WHOSE INSIDE WOULD ALSO BE ITS OUTSIDE. HE WOULD ACCOMPLISH THIS, HE HOPED, BY SEWING TOGETHER TWO MOBIUS LOOPS, THOSE CONTINUOUS ONE-SIDED SURFACES MADE BY ROTATING THE END OF A RECTANGLE 180...

Melanie Klein by Julia Kristeva (Ross Guberman, translator) New York: Columbia University Press. 2001. 296 p. (European Perspectives: A Series in Social Thought and Cultural Criticism.) Reviewed by Margaret Ann Fitzpatrick Hanly, 96 Elm Avenue, Toronto, M4W 1P2, Canada - cema.hanly@utoronto.ca This book,...