User:Richard Pinch/Redlinks: Difference between revisions

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imported>Richard Pinch
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imported>Richard Pinch
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A list of redlinks I've created with the intention of filling in at some time:
A list of redlinks I've created with the intention of filling in at some time:
From [[Centre (mathematics)]]:
* In an algebraic structure, elements that commute with every element of the structure
** The [[centre of a group]], elements that commute with every group element
* The centre of a [[circle]]
* The centre of mass, centroid or [[barycentre]] of a geometrical figure
* In [[triangle geometry]]
** The [[centroid]], intersection of the [[median]]s
** The [[circumcentre]], intersection of the [[perpendicular bisector]]s of the sides, centre of the circle through the vertices
** The [[nine-point centre]]
** The [[orthocentre]], intersection of the [[altitude]]s
** The [[incentre]], centre of a circle [[tangent]] to the sides
** The [[excentre]]s, centres of the three circles internally tangent to one side and  externally to the other two


From [[Composition (mathematics)]]:
From [[Composition (mathematics)]]:

Revision as of 13:50, 10 November 2008

A list of redlinks I've created with the intention of filling in at some time:

From Centre (mathematics):

From Composition (mathematics):

From Chain (mathematics):

From Identity matrix: In matrix algebra, the identity matrix is a square matrix which has all the entries on the main diagonal equal to one and all the other, off-diagonal, entries equal to zero. The identity matrix acts as the identity element for matrix multiplication.

From Talk:Series (mathematics):

From Centre of a group:

From Identity element:

From Distributivity:

From Commutativity: a property of binary operations or of operators on a set

From Cantor set: The Cantor set is ... second countable, dense-in-itself, totally disconnected.

Miscellaneous