
roobert tarjan

oru american computer shaasthranjanum ganithashaasthranjanumaanu roobert endrey tarjan (jananam epril 30,1948). taarjante shakthamayi bandhippichirikkunna gadakangalude algoritam ulppede niravadhi graph algorithangalude kandethalum splay treakaludeyum fibonacci koombaarangaludeyum saha-kandupiduthakkaranumaanu addeham. tarjan aanu nilavil jaims ezz. mcdonnell prinsettan sarvakalaashaalayile computer sayans professoraayi.
vyakthiparamaaya jeevithavum vidyaabhyaasavum.
kaaliforniyayile pomonayilaanu addeham janichathu. hangariyil valarnna addehathinte pithaav oru child saikyaatristum maanasika vaikalyathil vaidagdhyamullayaalum oru samsthaana ashupatri nadathukayum cheythu. kuttikkaalathu tarjan dhaaraalam shaasthrakathakal vaayikkukayum oru jyothishaasthranjanaakaan aagrahikkukayum cheythu. martin gaardnarude scientific american enna ganithashaasthra games koolam vaayichathinusesham addehathinu ganithashaasthrathil thaalpparyamundaayi. ettaam classil thanne ganithathil addehathinu gauravamaaya thaalparyam thonni, valare uthejakanaaya oru adhyaapakan kaaranamaan.
haiskoolil padikkumbol tarjanu oru jolie labhichu, avide addeham ibm panchu card kolattarukalil jolie cheythu. 1964-ll venalkkaala shaasthra paripaadiyil jyothishaasthram padikkumbozhaanu addeham aadyamaayi yadhaartha computerukalil pravarthichathu.
1969ll california instittyoott oof teknolajiyil ninnu ganithashaasthrathil birudam nediya tarjan 1971ll stanford sarvakalashaalayil ninnu computer sayansil birudaananthara birudavum phd nedi.dii. 1972ll computer sayansil (ganithashaasthrathil oru cheria vidyaarthiyumaayi). staanfordil, roobert floyd, donald kanthu, pramukha computer shaasthranjar, piechu.dii. kaaryakshamamaya oru planarity algoritam" aayirunnu prabandham. praayogika swaadheenam cheluthaan kazhiyunna ganithashaasthram nadathunnathinulla oru maargamaan computer sayans ennu vishwasichathinaal tarjan computer sayansine thante thaalpparya mekhalayaayi thiranjedutthu.
tarjan ippol prinsettan, enn. jeey, silikkan thaazhvara ennividangalilaanu thaamasikkunnath. addeham naayla riskine vivaham kazhichu.
addehathinu moonnu penmakkalundu alis tarjan, sophi sawaki, maxine tarjan.
computer sayans currier.
1985 muthal prinsettan sarvakalashaalayil padippikkunna tarjan cornell sarvakalashaala (1972-73), yooniversitti oof california, berkley (1973-1975), stanford sarvakalashaala (1974-1980), newyork sarvakalashaala (1981-1985) ennividangalilum academic sthaanangal vahichittundu. addeham enn. iii. sii research instittyoottinte (<aii. dii. 1>) fello aayirunnu. 2013 eprilil addeham prinsettanile sthaanathinu purame microsopht research silikkan vaaliyil chernnu. 2014 octoberil addeham cheef sayantistaayi intertrest technologiesil veendum chernnu.
aandu tii bell laabukal (<aii. dii. 2>), intertrest teknolajikal (<aii. dii. 3>, 2014-innuvare), compac (2002), hevlettu packered (<aii. dii. 1>) ennividangalil tarjan pravarthichittundu.
algorithangalum dattaa gadanakalum.
graph sidhaantha algorithangaleyum dattaa gadanakaleyum kurichulla pioneering pravartthanangalude perilaanu tarjan ariyappedunnathu. addehathinte ariyappedunna algorithangalil chilath taarjante oof-line ettavum kuranja saadhaarana poorvvikarude algoritam, taarjante shakthamayi bandhippicha gadakangalude algoritam enniva ulppedunnu, koodaathe medians leanier-time selection algoritam meediyante anchu saha-rachayithaakkalil oraalaayirunnu addeham. hopcroft-tarjan planarity testing algoritam planarity testinginulla aadyathe leanier-time algoritam aayirunnu.
fibonacci koombaaram (marangalude oru vanam ulkkollunna oru koombaaram daatta ghadana), splay trea (svayam krameekarikkunna bainari serch trea; tarjan daniel sleettarum saha-kandupidichathu) thudangiya pradhana daatta gadanakalum tarjan vikasippichittund. mattoru pradhana sambhavana disjoyant-settu dattaa gadanayude vishakalanamaayirunnu; invezhs ackerman function ulppedunna opttimal rantaim aadyamaayi theliyichathu addehamaanu.
avaardukal.
1986ll joonn hoop croftinoppam samyukthamaayi turing award tarjanu labhichu. avaardinulla prashasthikkuripp parayunnu
1994ll tarjan oru eiii. sii. emm fello aayi thiranjedukkappettu. eee avaardinulla prashasthikkurippil ingane parayunnu
tarjaninulla mattu chila avaardukalil iva ulppedunnu
thiranjeduttha prasidheekaranangal.
tharjante prabandhangal 90,000-ladhikam thavana mothatthil udharichittundu. ettavum kooduthal paraamarshikkappedunnava ivayaanu
pettantukal.
tarjan kuranjathu 18 yuu kaivasham vaykkunnu.ezz. pettantukal. ivayil ulppedunnu

