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Gröbner bases, Gaussian elimination and resolution of systems of algebraic equations. (English) Zbl 0539.13002
Computer algebra, EUROCAL ’83, Proc. Conf., London 1983, Lect. Notes Comput. Sci. 162, 146-156 (1983).
[For the entire collection see Zbl 0532.00010.]
The relationship between different methods for solving systems of algebraic equations are considered. - Using the algebraic geometry approach upper and lower bounds for the degrees of the elements of a Gröbner base are given. It is shown that these degrees depend on the choice of ordering. The extremal cases are lexicographical orderings leading to Gröbner bases of high degree and reverse lexicographical orderings giving low degrees.
Reviewer: K.Peeva

13-04 Software, source code, etc. for problems pertaining to commutative algebra
13F20 Polynomial rings and ideals; rings of integer-valued polynomials
65H10 Numerical computation of solutions to systems of equations
13A15 Ideals and multiplicative ideal theory in commutative rings
12E12 Equations in general fields
14A05 Relevant commutative algebra
68Q25 Analysis of algorithms and problem complexity