Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,765,314,532 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

connectivity number

    0.01 sec.
connectivity number [kə‚nek′tiv·əd·ē ‚nəm·bər]
(mathematics)
The number of points plus 1 which can be removed from a curve without separating the curve into more than one piece.
The number of closed cuts or cuts joining points of previous cuts (or joining points on the boundary) plus 1 which can be made on a surface without separating the surface. Also known as Betti number.
In general, then-dimensional connectivity number of a topological spaceXis the number of infinite cyclic groups whose direct sum with the torsion groupGn(X) forms the homology groupHn(X).


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
 Email
Feedback
? Mentioned in
 
Encyclopedia browser? ? Full browser
 
 
Encyclopedia
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.