2 papers
math.CO2026
On zero-sum polytopes: reciprocity, rigidity, and cyclic sieving
Dongchun Han, Xuan Wang, Hanbin Zhang +1
Let be a finite abelian group of order , and let denote the set of zero-sum sequences over of length . We introduce the zero-sum polytope $\mathcal P…
math.CO2026
A Generic Construction of -ary Near-MDS Codes Supporting 2-Designs with Lengths Beyond
Hengfeng Liu, Chunming Tang, Zhengchun Zhou +2
A linear code with parameters is called maximum distance separable (MDS), and one with parameters is called almost MDS (AMDS). A code is near-MD…