2 papers
math.RT2025
0-Dimensional Ideal Approximation Theory
H. Y. Zhu, X. H. Fu, I. Herzog +1
We propose axioms for 0-dimensional ideal approximation theory and note that extriangulated categories satisfy these axioms.
math.CT2024
Powers of ghost ideals
S. Estrada, X. H. Fu, I. Herzog +1
A theory of ordinal powers of the ideal of -ghost morphisms is developed by introducing for every ordinal , the -th inductive powe…