Cotton tensor on a (pseudo)-Riemannian manifold of dimension n is a third-order tensor concomitant of the metric. The vanishing of the Cotton tensor for...

Riemann curvature tensor, the Weyl tensor expresses the tidal force that a body feels when moving along a geodesic. The Weyl tensor differs from the Riemann...

_{iq}^{p}\Gamma _{jr}^{q}\Gamma _{kp}^{r}{\biggr )}.} This variation gives the Cotton tensor = − 1 2 g ( ε m i j D i R j n + ε n i j D i R j m ) . {\displaystyle...

P_{ab}={\frac {1}{n-2}}\left(R_{ab}-{\frac {R}{2(n-1)}}g_{ab}\right).} Cotton tensor Obstruction tensor Rudolf Bach, "Zur Weylschen Relativitätstheorie und der Weylschen...

conformally flat if and only if its Weyl tensor vanishes; in dimension n = 3, if and only if the Cotton tensor vanishes. Conformal geometry has a number...

In Riemannian geometry the Schouten tensor is a second-order tensor introduced by Jan Arnoldus Schouten defined for n ≥ 3 by: P = 1 n − 2 ( R i c − R...

causal structure. It is related to topologically massive gravity and the Cotton tensor. It is a possible UV completion of general relativity. Also, the speed...

the Cotton tensor. He held the professorship from 1904 until his 1942 retirement. He was awarded the Legion of Honor. His brother was Aimé Cotton; their...

The Lanczos tensor or Lanczos potential is a rank 3 tensor in general relativity that generates the Weyl tensor. It was first introduced by Cornelius...

Cotton (1872–1950), French mathematician, discoverer of the Cotton tensor F. Albert Cotton (1930–2007), American inorganic chemist Sir Robert Cotton,...

if and only if its Cotton tensor vanishes. In dimensions > 3, a metric is locally conformally flat if and only if its Weyl tensor vanishes. In 1822, Carl...

_{W}Y-\nabla _{[W,X]}Y,Z{\Big )}.} With this convention, the Ricci tensor is a (0,2)-tensor field defined by Rjk=gilRijkl and the scalar curvature is defined...

Thomas Bryant Cotton (born May 13, 1977) is an American politician and Army veteran serving since 2015 as the junior United States senator from Arkansas...

only if the Cotton tensor vanishes. An n-dimensional pseudo-Riemannian manifold for n ≥ 4 is conformally flat if and only if the Weyl tensor vanishes. Every...

the local twistor connection involves both the Weyl curvature and the Cotton tensor. (It is the Cartan conformal curvature.) The curvature preserves the...

principle Cosmology Cosmos Cosmotron Coster–Kronig transition Cotton effect Cotton tensor Cotton–Mouton effect Cottrell atmosphere Couette flow Coulomb Coulomb's...

James Henry Cotton (July 1, 1935 – March 16, 2017) was an American blues harmonica player, singer and songwriter, who performed and recorded with many...

Darryl Grant Cotton (4 September 1949 – 27 July 2012) was an Australian pop, rock singer-songwriter, television presenter and actor. He was a founding...

elastic bandage is constructed from cotton, polyester and latex-free elastic yarns. By varying the ratio of cotton, polyester, and the elastic yarns within...

Dorothy Cotton (June 9, 1930 – June 10, 2018) was an American civil rights activist, who was a leader in the Civil Rights Movement in the United States...

Arkansas Senator Tom Cotton called for "an overwhelming show of force to end the riots" in an op-ed in The Wall Street Journal. Both Cotton and Florida Senator...

implements the computation of the Riemann curvature tensor and associated objects (Ricci tensor, Weyl tensor). SageManifolds can also deal with generic affine...

age of six. Later, she acted in the movies Streets of Fire (1984) and The Cotton Club (1984). Lane returned to acting to appear in The Big Town, Lady Beware...

Transliteration: "Tsuru no Ongaeshi" (Japanese: 鶴の恩返し) "The Monster in the Cotton Hat" Transliteration: "Wataboushi no yōkai" (Japanese: 綿帽子の妖怪) A field worker...

Willis), followed by Tosh Mackintosh (Rebecca Scroggs). On 10 March, Charlie Cotton (Declan Bennett) and on 4 April, Lee Carter (Danny Hatchard). Donna Yates...

Cassidy), also first appear in January. Jo Cotton (Vicki Michelle), the estranged wife of Tom "Rocky" Cotton (Brian Conley), and guest characters Shiv...

between D and E must now be described using a tensor equation: where ε is now a 3 × 3 permittivity tensor. We assume linearity and no magnetic permeability...

of Russian, Kashgarian, Kipchak, Bukharan Jewish and Romani minorities. Cotton cultivation, initiated by the Soviets, is complemented by a diverse array...

G-suit derived from the work of Cotton and Franks. This suit used inflation like the Cotton suit. While Professor Cotton's design was intriguing, he was...

games including a semifinal; Foxborough Stadium, Stanford Stadium, and the Cotton Bowl hosted six games each, and Soldier Field, Robert F. Kennedy Memorial...