| D.2.12.1 changechar | | make a copy of basering [ring r] with new char c |
| D.2.12.2 changeord | | make a copy of basering [ring r] with new ord o |
| D.2.12.3 changevar | | make a copy of basering [ring r] with new vars v |
| D.2.12.4 defring | | define a ring R in specified char c, n vars v, ord o |
| D.2.12.5 defrings | | define ring Sn in n vars, char 32003 [p], ord ds |
| D.2.12.6 defringp | | define ring Pn in n vars, char 32003 [p], ord dp |
| D.2.12.7 extendring | | extend given ring by n vars v, ord o and name it R |
| D.2.12.8 fetchall | | fetch all objects of ring R to basering |
| D.2.12.9 imapall | | imap all objects of ring R to basering |
| D.2.12.10 mapall | | map all objects of ring R via ideal i to basering |
| D.2.12.11 ord_test | | test whether ordering of R is global, local or mixed |
| D.2.12.12 ringtensor | | create ring, tensor product of rings s,t,... |
| D.2.12.13 ringweights | | intvec of weights of ring variables of ring r |
| D.2.12.14 preimageLoc | | computes preimage for non-global orderings |
| D.2.12.15 rootofUnity | | the minimal polynomial for the n-th primitive root of unity (parameters in square brackets [] are optional) |
| D.2.12.16 optionIsSet | | check if as a string given option is set or not. hasFieldCoefficient check if the coefficient ring is considered a field hasGFCoefficient check if the coefficient ring is GF(p,k) hasZpCoefficient check if the coefficient ring is ZZ/p hasZp_aCoefficient check if the coefficient ring is an elag. ext. of ZZ/p hasQQCoefficient check if the coefficient ring is QQ |
| D.2.12.17 hasNumericCoeffs | | check for use of floating point numbers |
| D.2.12.18 hasCommutativeVars | | non-commutative or commutative polynomial ring |
| D.2.12.19 hasGlobalOrdering | | global versus mixed/local monomial ordering |
| D.2.12.20 hasMixedOrdering | | mixed versus global/local ordering |
| D.2.12.21 hasAlgExtensionCoefficient | | coefficients are an algebraic extension |
| D.2.12.22 hasTransExtensionCoefficient | | coefficients are rational functions |
| D.2.12.23 isQuotientRing | | ring is a qotient ring |
| D.2.12.24 isSubModule | | check if I is in J as submodule |
| D.2.12.25 changeordTo | | change the ordering of a ring to a simple one |
| D.2.12.26 addvarsTo | | add variables to a ring |
| D.2.12.27 addNvarsTo | | add N variables to a ring |
