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Modula Definition | 1989-10-08 | 4.1 KB | 121 lines |
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- (* DIP Polynomial Ideal Decomposition 0 System Definition Module. *)
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- DEFINITION MODULE DIPDEC0;
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- FROM MASSTOR IMPORT LIST;
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- PROCEDURE DIGFET(P,IL,JL: LIST): LIST;
- (*Distributive polynomial system G basis successful extension test.
- P is a goebner basis of dimension 0 in inverse
- lexicographical term ordering.
- i and j are indexes of variables where an field extension
- is required. t=1 if the extension was successful t=0 else. *)
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- PROCEDURE DIGISM(P: LIST): LIST;
- (*Distributive polynomial system G basis index search for extension
- multiple univariats. P is a goebner basis of dimension 0 in inverse
- lexicographical term ordering.
- I is a list of indexes of variables where an field extension
- is required or I=() if no field extension is neccessary. *)
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- PROCEDURE DIGISR(P: LIST): LIST;
- (*Distributive polynomial system G basis index search for extension
- reductas. P is a goebner basis of dimension 0 in inverse
- lexicographical term ordering.
- I is a list of indexes of variables where an field extension
- is required or I=() if no field extension is neccessary. *)
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- PROCEDURE DINTFE(T,IL,JL: LIST): LIST;
- (*Distributive polynomial system normalized tupel field extension.
- Using trial values for transcendent parameter.
- T is a normalized tupel of a zero set with a final
- goebner basis of dimension 0.
- i and j determine the variable indexes for the field extension.
- TP is a list of normalized tupels for the field extension for T. *)
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- PROCEDURE DINTSR(T: LIST): LIST;
- (*Distributive polynomial system normalized tupel separation refinement.
- T is a list of normalized tupels with final
- goebner basis of dimension 0.
- TP is a list of normalized tupels for some field extensions for T. *)
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- PROCEDURE DINTSS(T: LIST): LIST;
- (*Distributive polynomial system normalized tupel strong separation.
- T is a list of normalized tupels with final
- goebner basis of dimension 0.
- TP is a list of normalized tupels for some field extensions for T. *)
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- PROCEDURE DINTZS(N: LIST): LIST;
- (*Distributive polynomial system nomalized tupels from system zero.
- N is a zero set. T is the list of nomalized tupels of N. *)
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- PROCEDURE DIRGZS(VB,PB,W: LIST): LIST;
- (*Distributive rational groebner basis zero set.
- VB is a rest of a variable list. PB is a groebner basis.
- W is the total variable list. N is the zero set of P. *)
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- PROCEDURE DIRLPD(A,VP: LIST): LIST;
- (*Distributive rational polynomial list primary ideal decomposition.
- A is a non empty list of distributive rational
- polynomials representing a groebner basis.
- the polynomials in a have r variables.
- L=(l1,... ,ln) with li=(pi,ei,vpi,qi) i=1,... ,n
- where qi = ideal(pi**e,A) with A contained in qi
- and e maximal.
- Ideal(pi) is a prime ideal in at most r+1 variables.
- VPI is the variable list vor pi. *)
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- PROCEDURE DIRLPW(A,V,L: LIST);
- (*Distributive rational polynomial list primary ideal decomposition
- write.
- A is a non empty list of distributive rational
- polynomials representing a groebner basis.
- the polynomials in a have r variables.
- L=(l1,... ,ln) with li=(pi,eli,vpi,qi) i=1,... ,n
- where qi = ideal(pi)**e with A contained in qi
- and e maximal.
- Ideal(pi) is a prime ideal in at most r+1 variables.
- VPI is the variable list vor pi. *)
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- PROCEDURE DIRPDA(A,VP: LIST): LIST;
- (*Distributive rational polynomial list primary ideal decomposition
- over Q(alpha).
- A is a non empty list of distributive rational
- polynomials representing a groebner basis.
- The polynomials in A have r variables.
- L=(l1,... ,ln) with li=(pi,ei,vpi,qi) i=1,... ,n
- where qi = ideal(pi**e,A) with A contained in qi
- and e maximal.
- Ideal(pi) is a prime ideal in at most r+1 variables.
- VPI is the variable list vor pi. *)
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- PROCEDURE DITFZS(N: LIST): LIST;
- (*Distributive polynomial system tupel from zero set.
- N is a zero set. T is a list of tupels of then zero set. *)
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- PROCEDURE DITSPL(T: LIST; VAR T0,T1: LIST);
- (*Distributive polynomial system zero set tupel split.
- T is a list of normalized tupels of a zero set.
- T0 is a list of normalized tupels of a zero set with a final
- goebner basis of dimension 0. T1=T-T0. *)
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- END DIPDEC0.
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