## Massimo Cicognani

University of Bologna, Italy

#### Articles in Scholarly Journals [Incomplete List]

- Propagation of singularities in the Cauchy problem for a class of degenerate hyperbolic operators

Journal of Mathematical Analysis and Applications, vol. 341, no. 1, pp. 694–706, 2008 - Loss of regularity for p-evolution type models

Journal of Mathematical Analysis and Applications, vol. 347, no. 1, pp. 35–58, 2008 - The Log-effect for p-evolution type models

Journal of the Mathematical Society of Japan, vol. 60, no. 3, pp. 819–863, 2008 - Modulus of continuity of the coefficients and (non)quasianalytic solutions in the strictly hyperbolic Cauchy problem

Journal of Mathematical Analysis and Applications, vol. 333, no. 2, pp. 1237–1253, 2007 - Schrödinger equations of higher order

Mathematische Nachrichten, vol. 280, no. 7, pp. 717–727, 2007 - Modulus of continuity of the coefficients and loss of derivatives in the strictly hyperbolic Cauchy problem

Journal of Differential Equations, vol. 221, no. 1, pp. 143–157, 2006 - Energy estimate and fundamental solution for degenerate hyperbolic Cauchy problems

Journal of Differential Equations, vol. 217, no. 2, pp. 305–340, 2005 - Coefficients with unbounded derivatives in hyperbolic equations

Mathematische Nachrichten, vol. 276, no. 1, pp. 31–46, 2004 - Operators of p-evolution with nonregular coefficients in the time variable

Journal of Differential Equations, vol. 202, no. 1, pp. 143–157, 2004 - Proceedings of the American Mathematical Society, vol. 132, no. 03, pp. 841–846, 2004
- Chinese Annals of Mathematics, vol. 22, no. 4, p. 417, 2001
- The cauchy problem for nonlinear hyperbolic equations with Levi condition

Bulletin des Sciences Mathématiques, vol. 123, no. 6, pp. 413–435, 1999