@article{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", journal = "PoS", year = 2023, volume = "ICRC2023", pages = "1415" }