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D.4.2 algebra_lib

Library:
algebra.lib
Purpose:
Compute with Algbras and Algebra Maps
Authors:
Gert-Martin Greuel, greuel@mathematik.uni-kl.de,
Agnes Eileen Heydtmann, agnes@math.uni-sb.de,
Gerhard Pfister, pfister@mathematik.uni-kl.de

Procedures:

D.4.2.1 algebra_containment  query of algebra containment
D.4.2.2 module_containment  query of module containment over a subalgebra
D.4.2.3 inSubring  test whether polynomial p is in subring generated by I
D.4.2.4 algDependent  computes algebraic relations between generators of I
D.4.2.5 alg_kernel  computes the kernel of the ringmap phi
D.4.2.6 is_injective  test for injectivity of ringmap phi
D.4.2.7 is_surjective  test for surjectivity of ringmap phi
D.4.2.8 is_bijective  test for bijectivity of ring map phi
D.4.2.9 noetherNormal  noether normalization of ideal id
D.4.2.10 mapIsFinite  query for finiteness of map phi:R --> basering/I
D.4.2.11 finitenessTest  find variables which occur as pure power in lead(i)
D.4.2.12 nonZeroEntry  list describing non-zero entries of an identifier