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The time fractional diffusion-wave equation (1995)

Mainardi, F.

Springer

Radiophysics and quantum electronics 38 (1995), S. 13-24

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ISSN: 1573-9120

Source: Springer Online Journal Archives 1860-2000

Topics: Electrical Engineering, Measurement and Control Technology , Physics

Notes: Abstract The time fractional diffusion-wave equation is obtained from the classical diffusion or wave equation by replacing the first- or second-order time derivative by a fractional derivative of order 2β with 0〈β≤1/2 or 1/2〈β≤1, respectively. Using the method of the Laplace transform, it is shown that the fundamental solutions of the basic Cauchy and signalling problems can be expressed in terms of an auxiliary function M (z; β), where z is the similarity variable. Such function, which reduces to the well-known Gaussian function for β=1/2 (ordinary diffusion), is proved to be an entire function of Wright type.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01051854

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