2 papers
cs.DS2024
FPTAS for Holant Problems with Log-Concave Signatures
Kun He, Zhidan Li, Guoliang Qiu +1
For an integer , a -matching in a graph is a set such that each vertex is incident to at most edges in . We design a fully polyn…
cond-mat.str-el2024
Subsystem symmetries, critical Bose surface, and immobile excitations in an extended compass model
Zhidan Li, Chun-Jiong Huang, Changle Liu +1
We propose an extended compass model that hosts subsystem symmetries and has potential experimental relevance with 3d transition metal compounds. The subsystem symmetries strongly…