1 citations · 2 across the 2 of their papers we have counts for
2 papers
math.DS2012★ 1 cited
Decompositions of factor codes and embeddings between shift spaces with unequal entropies
Soonjo Hong, Uijin Jung, In-Je Lee
Given a factor code between sofic shifts X and Y, there is a family of decompositions of the original code into factor codes such that the entropies of the intermediate subshifts a…
math.DS2009★ 1 cited
Bi-resolving graph homomorphisms and extensions of bi-closing codes
Uijin Jung, In-Je Lee
Given two graphs G and H, there is a bi-resolving (or bi-covering) graph homomorphism from G to H if and only if their adjacency matrices satisfy certain matrix relations. We inves…