Friedmann equations
set of ordinary differential equations governing cosmic expansion in a homogeneous and isotropic universe
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Friedmann equations
Summary
Friedmann equations is a system of differential equations[1]. It draws 424 Wikipedia views per month (system_of_differential_equations category, ranking #2 of 4).[2]
Key Facts
- Friedmann equations is credited with the discovery of Alexander Friedmann[3].
- Friedmann equations's instance of is recorded as system of differential equations[4].
- Alexander Friedmann is named after Friedmann equations[5].
- Friedmann equations's part of is recorded as Friedmann universe[6].
- Friedmann equations's pronunciation audio is recorded as LL-Q9610 (ben)-Tahmid-ফ্রিদমান সমীকরণ.wav[7].
- Friedmann equations's Freebase ID is recorded as /m/04bf1b[8].
- Friedmann equations's defining formula is recorded as \begin{aligned}(\dot a/a)^2&=\frac{8\pi G\rho}3-\frac k{R^2}+\frac13\Lambda\\ddot a/a&=\frac13\Lambda-\frac{4\pi G}3(1+3w)\rho\end{aligned}[9].
- Friedmann equations's Quora topic ID is recorded as Friedmann-Equations[10].
- Friedmann equations's World of Physics ID is recorded as FriedmannsEquation[11].
- Friedmann equations's Microsoft Academic ID is recorded as 85405196[12].
- Friedmann equations's in defining formula is recorded as \rho[13].
- Friedmann equations's in defining formula is recorded as a[14].
- Friedmann equations's in defining formula is recorded as \Lambda[15].
- Friedmann equations's in defining formula is recorded as G[16].
- Friedmann equations's in defining formula is recorded as \dot a/a[17].
- Friedmann equations's in defining formula is recorded as w[18].
- Friedmann equations's Namuwiki ID is recorded as 프리드만 방정식[19].
- Friedmann equations's OpenAlex ID is recorded as C85405196[20].
Body
Works and Contributions
Friedmann equations is credited with the discovery of Alexander Friedmann[3].
Why It Matters
Friedmann equations draws 424 Wikipedia views per month (system_of_differential_equations category, ranking #2 of 4).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[21] It is known by 14 alternative names across languages and contexts.[22]