2 papers
math.CO2024
Universal graph series, chromatic functions, and their index theory
Tsuyoshi Miezaki, Akihiro Munemasa, Yusaku Nishimura +2
In the present paper, we introduce the concept of universal graph series. We then present four invariants of graphs and discuss some of their properties. In particular, one of thes…
math.CO2023
A note on -designs in isodual codes
Madoka Awada, Tsuyoshi Miezaki, Akihiro Munemasa +1
In the present paper, we construct 3-designs using extended binary quadratic residue codes and their dual codes.