- Y v ette , ▁France ▁ ▁Ari ▁Lap te v , ▁Imperial ▁College , ▁London , ▁UK ▁ ▁Cla udio ▁Pro ces i , ▁University ▁of ▁Rome ▁' La ▁S ap ienza ', ▁Rome , ▁Italy ▁ ▁Michel ▁Wald sch midt , ▁Pierre ▁and ▁Marie ▁Cur ie ▁University , ▁Paris , ▁France ▁ ▁References ▁ ▁External ▁links ▁ ▁The ▁official ▁home page ▁since ▁ 2 0 0 9 ▁Un o fficial ▁home page ▁link ▁to ▁submit ▁papers ▁ ▁Category : Math emat ical ▁soci eties ▁Category : Organ izations ▁based ▁in ▁Mor oc co ▁Category : Organ izations ▁established ▁in ▁ 1 9 7 6 ▁Category : 1 9 7 6 ▁establish ments ▁in ▁Mor oc co <0x0A> </s> ▁Bom ar zo ▁ ▁is ▁an ▁opera ▁in ▁two ▁acts ▁by ▁the ▁Argent in ian ▁composer ▁Alberto ▁G in aster a , ▁his ▁Op us ▁ 3 4 . ▁He ▁set ▁a ▁Spanish ▁libre tto ▁by ▁Manuel ▁M uj ica ▁La í nez , ▁based ▁on ▁his ▁ 1 9 6 2 ▁novel ▁about ▁the ▁ 1 6 th - century ▁Italian ▁ecc ent ric ▁Pier ▁Francesco ▁Or s ini . ▁▁▁ ▁The ▁opera ▁makes ▁use ▁of ▁twelve - t one ▁techniques , ▁quarter ▁t ones ▁– ▁primarily ▁in ▁the ▁har p ▁parts ▁– ▁and ▁controlled ▁st ochastic ▁text ures ▁of ▁non - s ynchronous ▁repet itions ▁of ▁mot ifs ▁and ▁cells . ▁Pub lished ▁by ▁Bo ose y ▁& ▁Haw kes , ▁New ▁York , ▁the ▁work ' s ▁two ▁acts ▁en