@InProceedings{ahman_et_al:LIPIcs.CALCO.2019.14, author = {Ahman, Danel and Uustalu, Tarmo}, title = {{Decomposing Comonad Morphisms}}, booktitle = {8th Conference on Algebra and Coalgebra in Computer Science (CALCO 2019)}, pages = {14:1--14:19}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-120-7}, ISSN = {1868-8969}, year = {2019}, volume = {139}, editor = {Roggenbach, Markus and Sokolova, Ana}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CALCO.2019.14}, URN = {urn:nbn:de:0030-drops-114427}, doi = {10.4230/LIPIcs.CALCO.2019.14}, annote = {Keywords: container functors (polynomial functors), container comonads, comonad morphisms and comonad coalgebras, cofunctors, lenses} }