Abnormal Hole Detection in Brain Connectivity by Kernel Density of Persistence Diagram and Hodge Laplacian (2018) Hyekyoung Lee, Moo K. Chung, Hyejin Kang, Hongyoon Choi, Yu Kyeong Kim, Dong Soo Lee Export citation Alzheimer Brain connectivity Brain structure-function Hodge Laplacian Kernel density estimation Persistent homology