ðɛɹ ɪz ɐ dʒˌɛnɚɹəlᵻzˈeɪʃən tʊ ɐfˈaɪn lˈaɪ ˈældʒᵻbɹəz ʃˈoʊn baɪ fˈeɪdʒɪn ænd fɹˈɛŋkəl ʃˈoʊɪŋ ðæt ɐn ˈældʒᵻbɹə nˈoʊn æz ðə fˈeɪdʒɪn fɹˈɛŋkəl sˈɛntɚɹ ɪz ˌaɪsəmˈoːɹfɪk tʊ ɐ dˈʌbəljˌuːˈældʒᵻbɹə ɐsˈoʊsɪˌeɪɾᵻd tə ðə lˈæŋɡləndz dˈuːəl lˈaɪ ˈældʒᵻbɹə .
There is a generalization to affine Lie algebras shown by Feigin and Frenkel showing that an algebra known as the Feigin–Frenkel center is isomorphic to a W-algebra associated to the Langlands dual Lie algebra .