On the Alexander polynominals of alternating two-component links

[摘要] LetLbe an alternating two-component link with Alexander polynomialΔ(x,y). Then the polynomials(1−x)Δ(x,y)and(1−y)Δ(x,y)are alternating. That is,(1−y)Δ(x,y)can be written as∑i,jcijxiyjin such a way that(−1)i+jcij≥0.

[学科分类] 数学（综合）