@Inproceedings{EPTCS372.23, author = {Behr, Nicolas and Kock, Joachim}, year = {2022}, title = {Tracelet Hopf Algebras and Decomposition Spaces (Extended Abstract)}, editor = {Kishida, Kohei}, booktitle = {{\rm Proceedings of the Fourth International Conference on} Applied Category Theory, {\rm Cambridge, United Kingdom, 12-16th July 2021}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {372}, publisher = {Open Publishing Association}, pages = {323-337}, doi = {10.4204/EPTCS.372.23}, }