{"inproceedings":{"@attributes":{"key":"conf\/isncc\/WuLK23","mdate":"2025-11-24"},"author":["Jiahong Wu 0001","Nan Liu 0001","Wei Kang 0002"],"title":"The Closure of the Entropy Region is Not Closed Under Polymatroid Duality for Four Discrete Random Variables.","pages":"1-4","year":"2023","booktitle":"ISNCC","ee":"https:\/\/doi.org\/10.1109\/ISNCC58260.2023.10323996","crossref":"conf\/isncc\/2023","url":"db\/conf\/isncc\/isncc2023.html#WuLK23"}}