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7.3.24 ringlist (plural)

Syntax:
ringlist ( ring_expression )
ringlist ( qring_expression )
Type:
list
Purpose:
decomposes a ring/qring into a list of 6 (or 4 in the commutative case) components.
The first 4 components are common both for the commutative and for the non-commutative cases, the 5th and the 6th appear only in the non-commutative case.

  1. upper triangle square matrix with nonzero upper triangle, containing structural coefficients of a G-algebra (this corresponds to the matrix C from the definition of G-algebras)
  2. square matrix, containing structural polynomials of a G-algebra (this corresponds to the matrix D from the definition of G-algebras)
Note: After modifying a list aquired with ringlist, one can construct a corresponding ring with ring(list).
Example:
 

See also ring (plural); ringlist.


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