
sizarosathi

ernesto cesero (12 march 1859-12 september 1906) heey eka italian ganitshastradnya hote, jyanni vibhedak bhoomitichya kshetrat kaam kele. tyanni yaa vishayavar 'lezioni dii geometria intrinseca' (naples, 1890) heey pustak lihile, jyamadhye tyanni fractal, space-philling vakranche varnan kele aahe, jeey anshatah dii raam vakranchya mothya vargane aachchhadit aahet, parantu aajahi tyanchya sanmanarth sezaro vakr mhanoon olakhale jaatat. too bhinn malikechya 'cessorro-saransh' sathichya tyachya 'sarasari' paddhatisathi dekhil olakhala jaato, jyala cessorro mean mhanoon olakhale jaate.
charitra.
tyachya shaikshanik karkirdichi nirashajanak suruvat aanee europemadhil pravasanantar-lease yethe sarvat mahattvachya thambyasah, jithe tyacha motha bhau giuseppe raimondo pio cesaro sthanik vidyapithat khanijashastra shikavat hota-ernesto cesaro 1887 madhye rome vidyapithatun padvi prapt kelee, tarr tyane aadhich prakashit kelelya asankhya kamansathi too aadhich belgiumchya royal science societycha bhag hota.
pudhchya varshi, tyanni palermo vidyapithat ganitachi khurchi midavali, jee tyanni 1891 paryant thewali. teey rommadhye sthayik jhaale, jithe teey tyancha sarvat lahan mulga manliola budnyapasun vachavanyacha prayatna karat asatana, tyancha apghati mrutyu hoiparyant sapienza vidyapithat pradhyapak mhanoon rahile.
kaam.
sesaroche mukhya yogdan vibhedak bhoomitichya kshetrat aahe. "aantarik bhoomitiche dhade", heey 1894 madhye lihilele aahe, jeey visheshtah fractal vakrareshechya nirmitiche spashtikaran dete. tyanantar, sesarone wonn kochchya 'snofleck karv' chaa dekhil abhyas keela, joou tyachya konatyahi bindunmadhye satat parantu bhinn nahee. 
tyanchya itar kamanmadhye 'introduction too daad mathematical theary auph infinitsimal calculus' (1893), 'algebric analysis' (1894), 'elements auph infinitsimal calculus' (1897) yancha samavesh aahe. tyanni bhinn anukramachi sambhavya vyakhya prastavit kelee, jee aaj 'sesarochi berries' mhanoon olakhali jaate, jee anukramachya ardh sandnyanchya bereejchya sarasarichya maryadedware dilee jaate.