Abdul–Aziz Yakubu

Abdul-Aziz Yakubu (4 Afrilu 1958 - Agusta 2022)  masanin ilimin lissafi ne.  Yakubu Farfesa ne a Jami’ar Howard sama da shekaru 20 kuma ya yi shugabancin sashen lissafi daga 2004 zuwa 2014. 
## Rayuwar farko da ilimi
An haifi Abdul-Aziz Yakubu a ranar 4 ga Afrilu 1958 a Accra, babban birnin Ghana . Ya halarci Accra Academy don ilimin sakandare. Yakubu ya fara sha’awar lissafi ne a lokacin da yake karatu a Jami’ar Ghana – Legon, inda ya yi digirinsa na BS a fannin lissafi da na’ura mai kwakwalwa a shekarar 1982.  A shekarar 1985, Yakubu ya sami digirinsa na biyu a fannin lissafi a Jami'ar Toledo da ke Ohio.  Kafin ya ci gaba da zuwa Jami'ar Howard, ya halarci Jami'ar Jihar North Carolina kuma ya sami digirinsa na digiri a fannin lissafi a 1990.   Don Ph.D., ya rubuta takardar karatunsa, "Tsarin gasa na lokaci" a ƙarƙashin shawarar John Franke. 
## Sana`a
Farkon binciken Yakubu ya kasance a Jami'ar Jihar North Carolina, kuma matsayinsa na farko ya kasance a Jami'ar Howard, jami'ar binciken baƙar fata ta tarihi (HBCU) a Washington, DC . Yayin da yake a Howard ya shafe shekara guda a matsayin baƙo na dogon lokaci ta hanyar shiga cikin "Mathematics in Biology" a Jami'ar Minnesota . Shirin a Jami'ar Minnesota ya ba shi damar yin haɗin gwiwa don ci gaba da gudummawa mai kyau ga duniya, musamman ma bincikensa game da cututtuka masu yaduwa a Afirka. Shekaru biyu bayan ziyarar da ya yi na dogon lokaci, ya ɗauki hutun shekaru biyu daga Jami'ar Howard a 2002 don ziyartar Sashen Kididdigar Kididdigar da Halittu a Jami'ar Cornell, inda ya haɗu tare da Carlos Castillo-Chavez . 

Bayan kwarewarsa ta Cornell, ya koma Jami'ar Howard don mai da hankali kan ilmin lissafi. Yakubu ya sami nasarar haɗin gwiwa a cikin aikin masana kan kifin da ake amfani da su tare da masana kimiyya a Cibiyar Kimiyyar Kifi ta Arewa maso Gabas na Woods Hole, Massachusetts . Ya yi aiki a kan ayyukan da suka bincikar halittu da cututtuka masu yaduwa tare da Avner Friedman na ɗaliban Cibiyar Ilimin Kimiyyar Kimiyyar Kimiyya a Jami'ar Jihar Ohio da dalibansa da suka kammala digiri a Jami'ar Howard. Binciken da ya yi kan ilmin lissafi ya taimaka masa ya haɗu da ɗalibai da masu bincike a duniya. Yakubu ya halarci tare da gabatar da gudunmawarsa a tarukan bincike da bita da dama a Turai da Asiya. Gidauniyar Kimiyya ta Kasa ta tallafawa shirin DIMACS-MBI na Afirka, wanda Avner Friedmann, Marty Golubitsky, Fred Roberts ya jagoranta da kuma aikin Masamu na NSF na Overton Jenda . Ya ba shi damar ba da laccoci da yawa a Kamaru, Ghana, Maroko, Afirka ta Kudu, Uganda, da Zambia . Yakubu ya tafi hutun sabbatical zuwa MBI. DIMACS a Piscataway, New Jersey, MBI a Columbus, Ohio, NIMBioS a Knoxville, Tennessee, da makamantansu cibiyoyin ilmin halitta. 

Yakubu ya wallafa bincikensa a wasu mujallu na ilimi kamar Bulletin of Mathematical Biology, Journal of Mathematical Biology, Mathematical Biosciences, SIAM da Journal of Applied Mathematics.  Ya kasance memba kuma ya rike matsayin jagoranci a kungiyoyin ƙwararrun lissafin lissafi, gami da Society for Mathematical Biology, Mathematical Bioscience Institute of the Ohio State and DIMACS na Jami'ar Rutgers . Daga 2007 zuwa 2016, ya yi aiki a matsayin Shugaban Kwamitin Wayar da Kai ta Duniya na Society for Mathematical Biology. 

Yakubu ya rasu a ranar 13 ko 14 ga Agusta, 2022.  Tun daga watan Nuwamba 2022, editoci na Journal of Biological Dynamics suna aiki kan wani batu na musamman da za a buga don tunawa da Yakubu. Buga na musamman zai tabo batutuwan da aka zaburar da su ko kuma suka shafi aikin Yakubu a fannin lissafi da ilmin halitta. 

## Manazarta