Leej twg tsim tsis yog euclidean geometry?

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Leej twg tsim tsis yog euclidean geometry?
Leej twg tsim tsis yog euclidean geometry?
Anonim

Carl Friedrich Gauss Carl Friedrich Gauss tau sib yuav ob zaug. Lub Kaum Hli 1805, hnub nyoog 28, nws tau sib yuav Johanna Osthoff. Lawv muaj peb tug me nyuam: Yauxej, uas tau los ua tub rog; Wilhelmina, uas tau sib yuav ib qho kev kawm, thiab Louis, uas tuag thaum muaj hnub nyoog 5 hli. Sadly Gauss tus poj niam Johanna tuag thaum Lub Kaum Hli 1809, ib hlis tom qab Louis yug. https://www.famousscientists.org › carl-friedrich-gauss

Carl Friedrich Gauss - Biography, Qhov tseeb thiab cov duab

, tej zaum yog tus kws lej loj tshaj plaws hauv keeb kwm, pom tau tias lwm qhov geometries ob-dimensional muaj peev xwm ua tsis tau raws li Euclid's parallel postulate - nws tau piav qhia lawv tias tsis yog Euclidean.

Yuav ua li cas nrhiav tsis tau-Euclidean geometry?

Gauss tau tsim lo lus "Non-Euclidean Geometry" tab sis tsis tau luam tawm ib yam dab tsi ntawm cov ntsiab lus. Ntawm qhov tod tes, nws tau qhia txog lub tswv yim ntawm qhov curvature ntawm lub hauv paus uas Riemann tom qab tsim qhov sib txawv Geometry uas tau ua lub hauv paus rau Einstein's General Theory of Relativity.

Leej twg tuaj nrog Euclidean geometry?

Euclidean geometry yog ib qho kev ua lej raug ntaus nqi rau Alexandrian Greek lej Euclid, uas nws tau piav qhia hauv nws phau ntawv qhia txog geometry: Cov Ntsiab Lus. Euclid txoj kev muaj nyob rau hauv kev xav tias me me ntawm intuitively txaus siab axioms, thiab deducing ntau lwm yam propositions (theorems) los ntawm cov no.

Thaum twg tsis yog-Euclidean geometry yog dab tsi?

Beltrami txoj haujlwm ntawm tus qauv ntawm Bolyai - Lobachevsky's non-Euclidean geometry tau ua tiav los ntawm Klein hauv 1871. Klein tau mus ntxiv tshaj qhov no thiab muab cov qauv ntawm lwm yam uas tsis yog-Euclidean geometry xws li Riemann tus kheej kheej geometry.

Leej txiv yog lej?

Archimedes yog suav tias yog leej txiv ntawm kev ua lej vim nws qhov kev tsim muaj txiaj ntsig zoo hauv kev ua lej thiab kev tshawb fawb. Nws nyob hauv kev pabcuam ntawm Vajntxwv Hiero II ntawm Syracuse. Lub sijhawm ntawd, nws tsim ntau yam kev tsim kho. Archimedes tau tsim lub tshuab rub tawm tsim los pab cov neeg tsav nkoj txav cov khoom nce thiab nqis uas hnyav.

Pom zoo:

Nthuav cov khoom
Leej twg ua tiav mozart's lacrimosa?
Nyeem ntxiv

Leej twg ua tiav mozart's lacrimosa?

Requiem hauv D Minor, K 626, requiem pawg los ntawm Wolfgang Amadeus Mozart, tshuav tsis tiav thaum nws tuag rau lub Kaum Ob Hlis 5, 1791. Txog rau thaum xyoo pua 20th, txoj haujlwm tau hnov ntau tshaj li nws tau ua tiav los ntawm Mozart's tub kawm Franz Xaver Süssmayr.

Lub caj pas lacrimal yog dab tsi?
Nyeem ntxiv

Lub caj pas lacrimal yog dab tsi?

Cov qog kua muag (cov qog qog nqaij hlav), nyob saum toj ntawm txhua lub pob muag, tsis tu ncua muab cov kua muag kua muag uas tau so thoob plaws koj lub qhov muag txhua zaus koj ntsais koj daim tawv muag. Cov kua dej ntau dhau los ntawm cov kua muag hauv lub qhov ntswg.

Tus kab mob myxoma ua haujlwm li cas?
Nyeem ntxiv

Tus kab mob myxoma ua haujlwm li cas?

qhov chaw ntawm tus kab mob myxoma tuag hauv 12 hnub ntawm kev kis tus kabmob. Cov kev tshawb fawb Pathogenesis paub tseeb tias tus kab mob pib rov ua dua tshiab hauv cov kab mob dermal ntawm qhov chaw inoculation, zoo li cov hlwb dendritic.