Solution to a Forcible Version of a Graphic Sequence Problem

Mao-cheng Cai, Liying Kang

Let $A_n=(a_1,a_2,\dots ,a_n)$ and $B_n=(b_1,b_2,\dots ,b_n)$ be nonnegative integer sequences with $A_n\le B_n$. The purpose of this note is to give a good characterization such t…