(Redirected from
P²-irreducible)
In mathematics, a P2-irreducible manifold is a 3-manifold that is irreducible and contains no 2-sided ( real projective plane). An orientable manifold is P2-irreducible if and only if it is irreducible. [1] Every non-orientable P2-irreducible manifold is a Haken manifold. [2]
References
- ^ Hazewinkel, Michiel (2001), Encyclopaedia of Mathematics, Supplement III, Volume 13, Springer, p. 183, ISBN 9781556080104.
- ^ Rassias, George M.; Stratopoulos, George (1989), Geometry and Topology, World Scientific, p. 33, ISBN 9789971506780.
 | This topology-related article is a stub. You can help Wikipedia by expanding it. |
(Redirected from
P²-irreducible)
In mathematics, a P2-irreducible manifold is a 3-manifold that is irreducible and contains no 2-sided ( real projective plane). An orientable manifold is P2-irreducible if and only if it is irreducible. [1] Every non-orientable P2-irreducible manifold is a Haken manifold. [2]
References
- ^ Hazewinkel, Michiel (2001), Encyclopaedia of Mathematics, Supplement III, Volume 13, Springer, p. 183, ISBN 9781556080104.
- ^ Rassias, George M.; Stratopoulos, George (1989), Geometry and Topology, World Scientific, p. 33, ISBN 9789971506780.
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| This topology-related article is a stub. You can help Wikipedia by expanding it. |