Caucher Birkar (Kurdish, lit.'masanin lissafi mai ƙaura'; haifaffen Fereydoun Derakhshani (Persian; Yuli 1978, a Marivan County, Lardin Kurdistan, Iran) masanin lissafi ne na Kurdawan Iran da ke zaune a Burtaniya kuma farfesa a Jami'ar Cambridge.Birkar babban mai ba da gudummawa ne ga ilimin lissafi na zamani. A cikin 2010 ya sami lambar yabo ta Leverhulme a fannin lissafi da kididdiga don gudummawar da ya bayar ga ilimin lissafi na algebraic, kuma a cikin 2016, lambar yabo ta AMS Moore don labarin "Kasancewar ƙananan samfuran Cascini don nau'ikan nau'ikan nau'ikan al'ada", Journal of the AMS (2010) (tare da P. C. Hacon da J. McKernan). An ba shi lambar yabo ta Fields a cikin 2018, "don tabbatar da ƙarancin bambance-bambancen da ke da alaƙa da samfurin Persian?
Fereydoun Derakhshani