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Weyl's postulate states that the world lines of the galaxies form a three-bundle of non-intersecting geodesics orthonormal to a series of space-like hypersurfaces .

It is a fundamental assumption of the Big bang theory. A rough translation is "that a global time and space coordinate system can be defined, where time is, on average, in some sense locally perpendicular to space".

1 See also

2 External links

Keel, William C., "Cosmology in the Friedman Universe". bildad.astr.ua.edu.

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Topics: Weyl's Postulate, Weyland, Weyl Group, Weyl Algebra, Weyland...

Weyl's postulateWeyl's postulate states that the world lines of the galaxies form a three-bundle of non-intersecting geodesics orthonormal to a series of space-like hypersurfaces. It is a fundamental assumption of the Big bang theory. A rough translation is "that a globa	WeylandWeyland (also spelled Wayland Weland and Watlende is the mythical smith- god of the Saxon immigrants into Britain. He is synonymous with the North-Germanic/Norse Volund Volundr of the Volundarkvida/volundakvitha, a chapter in the Elder Edda. Weyland had t	Weyl groupLie groups The Weyl group of a root system Φ is the subgroup of the isometry group of the root system generated by reflections through the hyperplanes orthogonal to the roots. For example, the root system of A consists of the vertices of a regular hex
Weyl algebraIn abstract algebra, the Weyl algebra is the ring of differential operators with polynomial coefficients (in one variable), : More precisely, let F be a field, and let F ''X be the ring of polynomials in one variable, X with coefficients in F''. Then each	Weyland-YutaniWeyland-Yutani is a fictional corporation that forms an essential part of the setting of the Alien movie, and its sequels. The corporation runs the human colonies outside the solar system, and also has a large presence on Earth. It is only referred to as	Weyl curvatureIn differential geometry, the Weyl curvature tensor is the traceless component of the Riemann curvature tensor. In other words, it a tensor that has the same symmetries as the Riemann curvature tensor with the extra condition that its Ricci curvature must

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