TsimTsev kawm ntawv qib thiab universities

Leej twg Poincare theorem twb muaj pov thawj

Anri Puankare - ib qho ntawm feem nto moo Fabkis zaum ntawm tag nrho cov sij hawm. Thaum lub sij hawm nws lub neej, nws muaj kev tswj kom tau ib tug ntau. Nyob rau hauv tas li ntawd, nws ua ib tug ntau ntawm cov discoveries nyob rau hauv ntau yam teb ntawm kev txawj ntse, nws kuj tau qhia nyob rau Sorbonne thiab yog ib tug mej zeej ntawm lub Fabkis Academy ntawm Sciences, thiab los ntawm 1906 mus txog rau thaum nws tuag nyob rau hauv 1912 nws yog nws tus thawj tswj hwm rau ntau xyoo. Nyob rau hauv hnub no lub ntiaj teb no nto moo tshaj plaws rau nws kawm tau ntawv zoo yog xav tau cov Poincare theorem, uas yog muaj pov thawj los ntawm Grigori Perelman.

npaj siab los ua pov thawj

Muaj ntau zaum rau ntau xyoo koom nyob rau hauv txoj kev tshawb no ntawm lub theorem, tab sis twb muaj kev vam meej tsuas mus rau ib tug ob peb cov neeg. Ib yam ntawm cov loj breakthroughs ua American kawm Thurston. Lub essence ntawm nws ua hauj lwm cov lus dag nyob rau hauv lub fact tias nws muaj peev xwm mus visually cov lus piv txwv muaj ntau haiv neeg ntawm lub ntsiab ntawm peb-dimensional lub dav hlau. Cov hauj lwm lub npe hu ua Thurston geometrization conjecture, tab sis rau nws, nws twb muab tsub lub Liaj teb Puav pheej.

Ib tug ob peb suav zaum kuj xav nyob rau hauv lub fact tias cov Poincare theorem twb muaj pov thawj. Cov lawv sawv tawm hlaub Tung Yau, uas txawm ua lub daim ntawv qhia hais tias nws thiab nws cov tub kawm muaj kev tswj ua nws.

Perelman lub chaw ua hauj lwm

Grigoriy Perelman muaj pov thawj qhov Poincare theorem tom qab ntau xyoo ntawm kev nyuaj ua hauj lwm rau nws. Nws pib nws kev tshawb fawb, thaum nyob rau hauv America, qhov twg rau ib tug ntev lub sij hawm lectured nyob rau ntau lub tebchaws. Tom qab nws thawj lub rooj sib tham nrog tus American kws ntawv Hamilton, uas tau pab nws hais tej yam ntawm txoj hlua kev tshawb xav, nws xav li cas txog cov ntawv pov thawj ntawm cov theorem. Tom qab ib co sij hawm, nws txiav txim siab rov qab mus rau nws haiv neeg St. Petersburg, qhov uas nws rau siab ntso teev ua hauj lwm.

Nyob rau hauv 2002, Perelman muab lo rau thawj feem ntawm nws ua hauj lwm thiab xa nws ib daim qauv ntawm hlaub Yau Tong, yog li ntawd nws yuav muab nws ib lub hom phiaj kev soj ntsuam. Txawm ces, cov scientific ntiaj teb no, nws los ua npe hu hais tias lub Poincare theorem. Tsis pub dhau ob peb lub hlis, Perelman tau luam tawm ob tug khoom nyob rau hauv uas nws ua hauj lwm tau hais nyob rau hauv ib tug heev cos daim ntawv.

Nyob rau hauv cov kev kawm ntiaj teb no ua kom tau ua ntej koj ua ib qho hauj lwm daim ntawv qhia txog lub qhib, nws yuav tsum paub meej tias cov xov tooj ntawm txawv zaum, thiab xwb ces cov chaw ua hauj lwm muaj peev xwm yuav officially luam tawm. Ua ntej cov pov thawj tau luam tawm, Perelman Poincare theorem yog ntau lub sij hawm raug kuaj, thiab qhov no ua hauj lwm yog nyuab los ntawm lub fact tias nws siv ib tug xov tooj tseem ceeb ntawm kev txiav nyiaj thiab muaj me ntsis piav rau xws li ib tug loj heev ua hauj lwm. Cuaj kaum, tom qab ib pliag, nws twb pom hais tias Perelman muaj peev xwm los mus daws cov teeb meem, uas tiv thaiv tau ntau tiam ntawm kws tshawb fawb.

Liaj teb Puav pheej

Qhov puav pheej yog muab ib zaug xwb txhua txhua plaub lub xyoos, tsis muaj ntau tshaj plaub zaum uas tau ua ib tug tseem ceeb pab rau txoj kev tshawb no ntawm kev kawm txog zauv. Nws twb muab tsub Perelman nyob rau hauv 2006 rau cov ntawv pov thawj ntawm cov Poincare conjecture, tab sis, oddly txaus, nws muab ib tug prestigious puav pheej thiab yog tsis tam sim no nyob rau kev nthuav qhia. Raws li cov kws tshawb fawb, rau nws tsis yog ib qho tseem ceeb honors, nws tau coj Library muaj lub fact tias cov hypothesis yog muaj pov thawj.

Poincaré yog ib tug paub tsis meej rau muaj ntau zaum, tab sis nws yog ib qho eccentric Lavxias teb sab mathematician twb tau mus ua nws cov kev txiav txim siab thiab nrhiav tej lus teb rau cov lus nug hais tias ib tug ntev lub sij hawm txhawj xeeb rau tag nrho cov kev ntiaj teb no.

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