2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Emmy Noether Emmy Noether Hauv thawj (1908-1919), nws tau koom tes rau txoj kev xav ntawm algebraic invariants thiab lej teb. Nws txoj haujlwm ntawm qhov sib txawv ntawm qhov sib txawv hauv kev suav ntawm kev hloov pauv, Noether's theorem, tau raug hu ua "ib qho ntawm cov lej tseem ceeb tshaj plaws uas tau ua pov thawj hauv kev taw qhia kev txhim kho ntawm niaj hnub physics". https://en.wikipedia.org › wiki › Emmy_Noether
Emmy Noether - Wikipedia
, yog ib tus poj niam loj tshaj plaws hauv ntiaj teb kev ua lej, yog tus tub ntxhais kawm ntawm Gordan's. Nyob rau xyoo 1921 nws tau ua cov kauj ruam tseem ceeb, uas peb tau hais ua ntej, ntawm kev coj ob txoj kev xav ntawm lub nplhaib ntawm cov lej thiab cov nplhaib ntawm cov lej nyob rau hauv ib qho kev xav ntawm kev sib txawv ntawm cov nplhaib.
Leej twg invented commutative algebra?
Lub hauv paus ntawm kev sib hloov algebra nyob rau hauv kev ua haujlwm ntawm xyoo pua 20 German lej David Hilbert, uas nws ua haujlwm ntawm kev xav tsis sib xws tau txhawb los ntawm cov lus nug hauv physics.
Dab tsi yog commutative nplhaib theory?
In ring theory, ib ceg ntawm abstract algebra, a commutative ring is a ring in which the multiplication operation is commutative. … Complementarily, noncommutative algebra yog txoj kev kawm ntawm noncommutative rings uas multiplication tsis tas yuav commutative.
Thaum lub nplhaib txoj kev xav tau tsim?
3.1 Noncommutative ring theory
Nyob rau hauv kev nkag siab nruj, noncommutative ring theory originated los ntawm ib tugib qho piv txwv-cov quaternions, invented (discovered?) los ntawm Hamilton nyob rau hauv 1843.
Lub nplhaib txoj kev xav yog dab tsi?
Nyob hauv algebra, lub nplhaib txoj kev xav yog kev kawm ntawm rings-algebraic qauv nyob rau hauv uas sib ntxiv thiab sib npaug yog txhais thiab muaj cov khoom zoo sib xws rau cov haujlwm uas tau teev tseg rau cov lej.
Pom zoo:
Leej twg invented hlau smelting?
Txoj kev loj hlob ntawm cov hlau smelting yog ib txwm ua los ntawm cov neeg Hittites ntawm Anatoliantawm lub hnub nyoog Bronze lig. Nws tau ntseeg tias lawv tswj hwm txoj haujlwm ntawm cov hlau ua haujlwm, thiab lawv lub tebchaws tau ua raws li qhov txiaj ntsig ntawd.
Leej twg invented the dumbwaiter?
Tus neeg kho tshuab dumbwaiter tau tsim los ntawm George W. Cannon, tus neeg tsim khoom hauv New York City. Cannon thawj zaug ua ntaub ntawv rau patent ntawm lub nres nres (US Patent no. 260776) uas yuav siv tau rau ib tug dumbwaiter rau lub ib hlis ntuj 6, 1883.
Leej twg invented renormalization pab pawg?
Renormalization captures xwm tus nyiam los txheeb nws tus kheej rau hauv lub ntiaj teb tseem ceeb ywj pheej. Ob tus kws kho mob, Murray Gell-Mann thiab Francis Low Francis Low Francis Eugene Low (Lub Kaum Hli 27, 1921 - Lub Ob Hlis 16, 2007) yog ib tus kws tshawb fawb Asmeskas txoj kev xav.
Leej twg invented lub pratfall?
Psychologist Elliot Aronson Elliot Aronson Elliot Aronson (yug Lub Ib Hlis 9, 1932) yog ib tus kws paub txog kev puas siab puas ntsws Asmeskas uas tau ua cov kev sim ntawm txoj kev xav ntawm kev paub tsis meej, thiab tsim lub chav kawm Jigsaw, ib txoj kev qhia kev sib koom tes uas pab txhawb kev kawm thaum txo cov kev sib cav sib ceg thiab kev ntxub ntxaug.
Leej twg invented the typefaces?
thawj hom tsim puv sijhawm yog Frederic Goudy, uas tau pib thaum xyoo 1920. Nws tsim cov cim cim uas tseem siv tau, suav nrog Copperplate Gothic thiab Goudy Old Style (raws li Jenson's Old Style typefaces). Leej twg tsim thawj hom ntawv niaj hnub?
