2 papers
math.GT2025
Second-to-Top Term of \hat{HFK} of Closed 3-Braids
Zhaojun Chen
In this paper, we use the skein exact sequence and other techniques to compute the second-to-top term of HFK of closed 3-braids. We do it case-by-case according to Xu's classificat…
math.CO2025
Construction, Extension and Paths of Near-Homogeneous Tournaments
Rongxia Tang, Zhaojun Chen, Zan-Bo Zhang
A homogeneous tournament is a tournament with vertices such that every arc is contained in exactly cycles of length . Homogeneous tournaments are the first class of…