We prove that Huygens’ principle and the principle of equipartition of energy hold for the modified wave equation on odd dimensional Damek–Ricci spaces. We also prove a Paley–Wiener type theorem for the inverse of the Helgason Fourier transform on Damek–Ricci spaces.
@article{AMBP_2010__17_2_327_0, author = {Astengo, Francesca and Di Blasio, Bianca}, title = {Huygens' principle and a Paley--Wiener type theorem on Damek--Ricci spaces}, journal = {Annales math\'ematiques Blaise Pascal}, volume = {17}, year = {2010}, pages = {327-340}, doi = {10.5802/ambp.286}, zbl = {1207.43006}, mrnumber = {2778917}, language = {en}, url = {http://dml.mathdoc.fr/item/AMBP_2010__17_2_327_0} }
Astengo, Francesca; Di Blasio, Bianca. Huygens’ principle and a Paley–Wiener type theorem on Damek–Ricci spaces. Annales mathématiques Blaise Pascal, Tome 17 (2010) pp. 327-340. doi : 10.5802/ambp.286. http://gdmltest.u-ga.fr/item/AMBP_2010__17_2_327_0/
[1] Real Paley–Wiener theorem for the inverse Fourier transform on a Riemannian symmetric space, Pacific J. Math., Tome 213 (2004), pp. 1-13 | Article | MR 2040247 | Zbl 1049.43004
[2] Spherical analysis on harmonic groups, Ann. Scuola Norm. Sup. Pisa, Tome 23 (1996), pp. 643-679 | Numdam | MR 1469569 | Zbl 0881.22008
[3] A Paley-Wiener theorem on harmonic spaces, Colloq. Math., Tome 80 (1999), pp. 211-233 | MR 1703838 | Zbl 0938.43003
[4] Some properties of horocycles on Damek–Ricci spaces, Diff. Geo. Appl., Tome 26 (2008), pp. 676-682 | Article | MR 2474430 | Zbl 1156.43004
[5] The Helgason Fourier transform on a class of nonsymmetric harmonic spaces, Bull. Austral. Math. Soc., Tome 55 (1997), pp. 405-424 | Article | MR 1456271 | Zbl 0894.43003
[6] Equipartition of energy for the wave equation associated to the Dunkl-Cherednik Laplacian, J. Lie Theory, Tome 18 (2008), pp. 747-755 | MR 2523134 | Zbl 1171.35421
[7] Huygens’ principle for the wave equation associated with the trigonometric Dunkl-Cherednik operators, Math. Res. Lett., Tome 13 (2006), pp. 43-58 | MR 2199565 | Zbl 1088.39018
[8] The Paley-Wiener Theorem for the Jacobi transform and the local Huygens’ principle for root systems with even multiplicities, Indag. Mathem., Tome 16 (2005), pp. 429-442 | Article | MR 2313632 | Zbl 1168.43302
[9] Huygens’ principle in Riemannian symmetric spaces, Math. Ann., Tome 301 (1995), pp. 445-462 | Article | MR 1324519 | Zbl 0822.43002
[10] -type groups and Iwasawa decompositions, Adv. Math., Tome 87 (1991), pp. 1-41 | Article | MR 1102963 | Zbl 0761.22010
[11] The geometry of a semidirect extension of a Heisenberg type nilpotent group, Colloq. Math., Tome 53 (1987), pp. 255-268 | MR 924070 | Zbl 0661.53033
[12] A Poisson kernel on Heisenberg type nilpotent groups, Colloq. Math., Tome 53 (1987), pp. 239-247 | MR 924068 | Zbl 0661.53035
[13] Harmonic analysis on solvable extensions of –type groups, J. Geom. Anal., Tome 2 (1992), pp. 213-248 | MR 1164603 | Zbl 0788.43008
[14] Huygens’ priciple and equipartition of energy for the modified wave equation associated to a generalized radial Laplacian, Ann. Math. Blaise Pascal, Tome 12 (2005), pp. 147-160 | Article | Numdam | MR 2126445 | Zbl 1088.35036
[15] Lectures on Cauchy’s Problem in Linear Partial Differential Equations, Yale University Press, New Haven (1923)
[16] Geometric Analysis on Symmetric Spaces, American Mathematical Society, Providence RI, Math. Surveys and Monographs 39 (1994) | MR 1280714 | Zbl 0809.53057
[17] Fundamental solution for a class of hypoelliptic PDE generated by composition of quadratic forms, Trans. Amer. Math. Soc., Tome 258 (1980), pp. 147-153 | Article | MR 554324 | Zbl 0393.35015
[18] The Solution of the Shifted Wave equation on Damek–Ricci Space, Interdiscip. Inform. Sci., Tome 8 (2002), pp. 101-113 | Article | MR 1923488 | Zbl 1018.43008
[19] Partial Differential Equations, Springer-Verlag, New York, Texts in Applied Mathematics 23 (1996) | MR 1395147 | Zbl 0869.35001
[20] On Paley–Wiener and Hardy theorems for groups, Math. Z., Tome 245 (2003), pp. 483-502 | Article | MR 2021567 | Zbl 1045.22008