2 papers
math.RA2026
Augmentation-Ideal Realization of Special Nottingham Congruence Series and Cartier Indecomposables
Chao Ma
The shifted congruence series of finite special Nottingham jet groups is realized by an integral augmentation filtration. For volume-preserving formal substitutions in characterist…
math.CO2026
An Almost-Covering Threshold for Golomb-Ruler Difference Packings
Chaohang Ma, Xiangjie Yi
For a fixed integer , consider families of -mark Golomb rulers whose positive-difference sets are pairwise disjoint and contained in . Let be the larges…