commutative diagram


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commutative diagram

[¦käm·yə‚tād·iv ′dī·ə‚gram]
(mathematics)
A diagram in which any two mappings between the same pair of sets, formed by composition of mappings represented by arrows in the diagram, are equal.
References in periodicals archive ?
If M is an A-G-module where G acts rationally on A and M is a rational G-module, finitely generated as an A-module, then an A-free (projective) resolution of M can be lifted to an A-G-free resolution, that is a commutative diagram
These three isometries form the commutative diagram in Figure 3.