Y)$ (defined in category)

Yang-Baxter equations (defined in spectroscopy topics)

Yang-Mills equations (defined in spectroscopy topics)

YBCO (defined in superconductivity)

Yetter-Drinfel'd module

Yetter module (=Yetter-Drinfel'd module)

Yoneda functor (defined in Yoneda lemma)

Yoneda lemma

Yukawa mesons (defined in quantum chromodynamics (QCD))

Yukawa model (defined in gluons, quarks and QCD)

Yukawa nuclear potential (defined in quantum chromodynamics (QCD))