@inproceedings{Khalil:2022cI, author = "Khalil, Mostafa and Frommer, Andreas", title = "{MGMLMC++ as a Variance Reduction Method for Estimating the Trace of a Matrix Inverse}", doi = "10.22323/1.430.0017", booktitle = "Proceedings of The 39th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2022)", year = 2022, volume = "430", pages = "017" }