@InProceedings{barto_et_al:LIPIcs.CP.2022.4, author = {Barto, Libor and Butti, Silvia}, title = {{Weisfeiler-Leman Invariant Promise Valued CSPs}}, booktitle = {28th International Conference on Principles and Practice of Constraint Programming (CP 2022)}, pages = {4:1--4:17}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-240-2}, ISSN = {1868-8969}, year = {2022}, volume = {235}, editor = {Solnon, Christine}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CP.2022.4}, URN = {urn:nbn:de:0030-drops-166332}, doi = {10.4230/LIPIcs.CP.2022.4}, annote = {Keywords: Promise Valued Constraint Satisfaction Problem, Linear programming relaxation, Distributed algorithms, Symmetric fractional polymorphisms, Color refinement algorithm} }