@InProceedings{goldberg:LIPIcs.FSTTCS.2021.3, author = {Goldberg, Leslie Ann}, title = {{Approximately Counting Graph Homomorphisms and Retractions}}, booktitle = {41st IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2021)}, pages = {3:1--3:1}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-215-0}, ISSN = {1868-8969}, year = {2021}, volume = {213}, editor = {Boja\'{n}czyk, Miko{\l}aj and Chekuri, Chandra}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2021.3}, URN = {urn:nbn:de:0030-drops-155146}, doi = {10.4230/LIPIcs.FSTTCS.2021.3}, annote = {Keywords: Graph homomorphisms, counting} }