▁every ▁mon omorphism ▁is ▁a ▁kernel ▁and ▁every ▁ep im orphism ▁is ▁a ▁c ok ernel ▁ ▁Physics ▁ ▁A ▁gauge ▁theory ▁is ▁ab elian ▁or ▁non - abel ian ▁depending ▁on ▁whether ▁its ▁symmetry ▁group ▁is ▁commut ative ▁or ▁non - comm ut ative , ▁respectively ▁ ▁Other ▁uses ▁ ▁Ab eli ans , ▁ 4 th - century ▁Christian ▁sect ▁H ov h annes ▁Ab elian ▁( 1 8 6 5 – 1 9 3 6 ), ▁Armen ian ▁actor <0x0A> </s> ▁N ama ach a ▁or ▁Na am ach a ▁is ▁a ▁town ▁in ▁southern ▁Moz amb ique , ▁lying ▁ 8 0 ▁kilom eters ▁west ▁of ▁Map uto ▁on ▁the ▁border ▁with ▁E sw at ini . ▁It ▁is ▁located ▁in ▁the ▁Leb omb os ▁area . ▁It ▁is ▁known ▁for ▁its ▁colonial ▁church ▁and ▁for ▁its ▁water fall . ▁ ▁International ▁Rel ations ▁ ▁In ▁the ▁ 1 9 6 0 s , ▁Mr ▁Dan ú bio ▁N unes , ▁a ▁Portuguese ▁citiz en ▁living ▁in ▁N ama ach a , ▁public ised ▁the ▁s log an ▁Fa ça ▁da ▁N ama ach a ▁a ▁Sint ra ▁de ▁Mo ç amb ique ▁(" Make ▁N ama ach a ▁Moz amb ique ' s ▁Sint ra "), ▁due ▁to ▁some ▁local ▁features , ▁namely ▁the ▁climate , ▁the ▁alt itude ▁and ▁the ▁proxim ity ▁to ▁the ▁capital ▁city , ▁that ▁could ▁make ▁it ▁compar able ▁to ▁the ▁pictures que ▁and ▁historical ▁town ▁of ▁Sint ra , ▁in ▁the ▁proxim