7 papers
A note of values of minors for Hadamard matrices
Yongbin Li, Junwei Zi, Yan Liu +1
In this note we present a formulae for all possible values of minors of an Hadamard matrix of order .
Computing the decomposition group of a zero-dimensional ideal by elimination method
Yongbin Li
In this note, we show that the decomposition group of a zero-dimensional radical ideal in can be represented as the direct sum of several sym…
Some Properties of the Coordinate Rings over Finite Fields
Qinqin Jin, Yongbin Li
In this paper, we present the Nullstellensatz in case of the coordinate rings of a nonempty subset of Kn where K is a finite field Fq. Some applications of the Nullstellensatz are…
An Alternative Method for Primary Decomposition of Zero-dimensional Ideals over Finite Fields
Yongbin Li
We present an alternative method for computing primary decomposition of zero-dimensional ideals over finite fields. Based upon the further decomposition of the invariant subspace o…
An Alternative Approach to Polynomial Mappings
Yongbi Li
This paper presents an alternative approach to simplify the proofs of some important results related to polynomial mappings in Computational Algebraic Geometry such as Polynomial I…
An Approach to the Jacobian Conjecture
Yongbin Li
This paper has been withdrawn by the author due to an erro thereon line -2 of page 4.