Dust Solution - Mathematical Definition

Mathematical Definition

The stress-energy tensor of a relativistic pressureless fluid can be written in the simple form

Here

  • the world lines of the dust particles are the integral curves of the velocity vector ,
  • the matter density is given by the scalar function .

Read more about this topic:  Dust Solution

Famous quotes containing the words mathematical and/or definition:

    The most distinct and beautiful statement of any truth must take at last the mathematical form.
    Henry David Thoreau (1817–1862)

    The man who knows governments most completely is he who troubles himself least about a definition which shall give their essence. Enjoying an intimate acquaintance with all their particularities in turn, he would naturally regard an abstract conception in which these were unified as a thing more misleading than enlightening.
    William James (1842–1910)