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4.19.3 ring operations

+
construct a new ring from and . (The sets of variables must be distinct).

Note: Concerning the ground fields and take the following guide lines into consideration:

  • Neither nor may be or .
  • If the characteristic of and differs, then one of them must be .
  • At most one of and may have parameters.
  • If one of and is an algebraic extension of it may not be defined by a charstr of type (p^n,a).

Example:
 

ring_lib


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.