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A two-dimensional representation of the Klein bottle immersed in three-dimensional space. In mathematics, the Klein bottle (/ ˈ k l aɪ n /) is an example of a non-orientable surface; that is, informally, a one-sided surface which, if traveled upon, could be followed back to the point of origin while flipping the traveler upside down.
In wormhole theory, a non-orientable wormhole is a wormhole connection that appears to reverse the chirality of anything passed through it. It is related to the "twisted" connections normally used to construct a Möbius strip or Klein bottle. In topology, this sort of connection is referred to as an Alice handle [citation needed].
In mathematics, a solid Klein bottle is a three-dimensional topological space (a 3-manifold) whose boundary is the Klein bottle. [ 1 ] It is homeomorphic to the quotient space obtained by gluing the top disk of a cylinder D 2 × I {\displaystyle \scriptstyle D^{2}\times I} to the bottom disk by a reflection across a diameter of the disk.
Klein surfaces were introduced by Felix Klein in 1882. [ 1 ] A Klein surface is a surface (i.e., a differentiable manifold of real dimension 2) on which the notion of angle between two tangent vectors at a given point is well-defined, and so is the angle between two intersecting curves on the surface.
Chirality (/ k aɪ ˈ r æ l ɪ t i /) is a property of asymmetry important in several branches of science. The word chirality is derived from the Greek χείρ (kheir), "hand", a familiar chiral object. An object or a system is chiral if it is distinguishable from its mirror image; that is, it cannot be superposed (not to be confused with ...
Sounds good to me. As far as I know (which is the problem, of course) it is basically trivial to calculate the fundamental groups of compact real surfaces. I think abab^-1 labels the little square diagram of a Klein bottle so it basically sounds right to me. I actually never looked at surfaces whose little diagram thingy wasn't a square.
The "traditional" Klein bottle; Left handed figure-8 Klein bottle; Right handed figure-8 Klein bottle" But this is ridiculous, because the Klein bottle — like every compact nonorientable surface without boundary — has no embeddings in 3-dimensional Euclidean space. It's also entirely unclear what the comment "four if one paints them" means.
As an example: lens spaces are orientable 3-spaces and allow decomposition into two solid tori, which are genus-one-handlebodies.The genus one non-orientable space is a space which is the union of two solid Klein bottles and corresponds to the twisted product of the 2-sphere and the 1-sphere: ~.