Geodesic

Tome 9 (2003) no. 3

Sommaire

Invertibility of linear $f$-order preservers
p. 3-11
Hidden matrix semirings
p. 13-19
Almost isomorphism of Abelian groups and determinability of Abelian groups by their subgroups
p. 21-36
Algebraic geometry over free metabelian Lie algebras.~I. U-algebras and universal classes
p. 37-63
Algebraic geometry over free metabelian Lie algebras.~II. Finite-field case
p. 65-87
On standard bases in rings of differential polynomials
p. 89-102
Free nonassociative supercommutative algebras
p. 103-109
Conjugation properties in incidence algebras
p. 111-123
The central closure of the simple ``strange'' Lie superalgebras extended over a~commutative algebra
p. 125-131
Sections of a~differential spectrum and factorization-free computations
p. 133-144
The scales of computability potentials: results and problems
p. 145-164
Isoperimetric functions and embeddings of groups
p. 165-173
Factor and term ranks for matrix union over semirings
p. 175-197
Pair analysis of involutive divisions
p. 199-212
Automated proving and analysis of geometric theorems in coordinate-free form by using the anticommutative Gr\"obner basis method
p. 213-228
Imaginary-quadratic solutions of anti-Vandermonde systems in 4~unknowns and the Galois orbits of trees of diameter~4
p. 229-236
Involutive divisions for effective involutive algorithms
p. 237-253