@inproceedings{Katori:2023Qc, author = "Katori, Teppei and Argüelles, Carlos and Farrag, Kareem Ramadan", title = "{Ultra-light Dark Matter Limits from Astrophysical Neutrino Flavour}", doi = "10.22323/1.444.1415", booktitle = "Proceedings of 38th International Cosmic Ray Conference {\textemdash} PoS(ICRC2023)", year = 2023, volume = "444", pages = "1415" }