Channel coding considerations for wireless LANs
Daniel J. Costello Jr., Pierre R. Chevillat, et al.
ISIT 1997
We examine the degree relationship between the elements of an ideal I⊆R[x] and the elements of φ(I) where φ→R is a ring homomorphism. When R is a multivariate polynomial ring over a field, we use this relationship to show that the image of a Gröbner basis remains a Gröbner basis if we specialize all the variables but one, with no requirement on the dimension of I. As a corollary we obtain the GCD for a collection of parametric univariate polynomials. We also apply this result to solve parametric systems of polynomial equations and to reexamine the extension theorem for such systems. © 2001 Elsevier Science B.V.
Daniel J. Costello Jr., Pierre R. Chevillat, et al.
ISIT 1997
John R. Kender, Rick Kjeldsen
IEEE Transactions on Pattern Analysis and Machine Intelligence
Paul J. Steinhardt, P. Chaudhari
Journal of Computational Physics
A.R. Conn, Nick Gould, et al.
Mathematics of Computation