Abstract
We solve the Cauchy problem defined by the fractional partial differential equation \([\partial _{tt}-\kappa \mathbb {D}]u=0\), with \(\mathbb {D}\) the pseudo-differential Riesz operator of first order, and the initial conditions \(u(x,0)=\mu (\sqrt {\pi }x_0)^{-1}e^{-(x/x_0)^2}\), u t(x, 0) = 0. The solution of the Cauchy problem resulting from the substitution of the Gaussian pulse u(x, 0) by the Dirac delta distribution φ(x) = μδ(x) is obtained as corollary.
To prof. Veronique Hussin on his 60th birthday.
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Acknowledgements
Financial support from Ministerio de Economía y Competitividad (Spain) grant MTM2014-57129-C2-1-P, Consejería de Educación, Junta de Castilla y León (Spain) grants VA057U16, and Consejo Nacional de Ciencia y Tecnología (México) project A1-S-24569 is acknowledged.
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Olivar-Romero, F., Rosas-Ortiz, O. (2019). An Integro-Differential Equation of the Fractional Form: Cauchy Problem and Solution. In: Kuru, Ş., Negro, J., Nieto, L. (eds) Integrability, Supersymmetry and Coherent States. CRM Series in Mathematical Physics. Springer, Cham. https://doi.org/10.1007/978-3-030-20087-9_18
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DOI: https://doi.org/10.1007/978-3-030-20087-9_18
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