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Enrico Bernardi, Leonardo Marconi, “On Some Stochastic Hyperbolic Equations with Symplectic Characteristics”, J Fourier Anal Appl, 31:3 (2025)
Tatsuo Nishitani, “Notes on geometric aspects of effectively hyperbolic critical points when the characteristic roots are real on one side of time”, Proc. Japan Acad. Ser. A Math. Sci., 100:7 (2024)
烁民盛, “Local Solvability of Quasilinear Wave Equation”, PM, 13:07 (2023), 2200
Wojciech Kamiński, “Well-Posedness of the Ambient Metric Equations and Stability of Even Dimensional Asymptotically de Sitter Spacetimes”, Commun. Math. Phys., 401:3 (2023), 2959
Tatsuo Nishitani, “Diagonal symmetrizers for hyperbolic operators with triple characteristics”, Math. Ann., 383:1-2 (2022), 529
Jake Langham, Mark J. Woodhouse, Andrew J. Hogg, Jeremy C. Phillips, “Linear stability of shallow morphodynamic flows”, J. Fluid Mech., 916 (2021)
Annamaria Barbagallo, Vincenzo Esposito, “Existence results for the mixed Cauchy–Dirichlet problem for a class of hyperbolic operators”, Annali di Matematica, 200:5 (2021), 2235
Tatsuo Nishitani, “Transversally strictly hyperbolic systems”, Kyoto J. Math., 60:4 (2020)
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Víctor Chavarrías, Guglielmo Stecca, Annunziato Siviglia, Astrid Blom, “A regularization strategy for modeling mixed-sediment river morphodynamics”, Advances in Water Resources, 127 (2019), 291
Annamaria Barbagallo, Vincenzo Esposito, “A priori estimates in Sobolev spaces for a class of hyperbolic operators in presence of transition”, J. Hyper. Differential Equations, 16:02 (2019), 245
Garetto C., Jaeh Ch., Ruzhansky M., “Hyperbolic Systems With Non-Diagonalisable Principal Part and Variable Multiplicities, i: Well-Posedness”, Math. Ann., 372:3-4 (2018), 1597–1629
Guy Métivier, Tatsuo Nishitani, “Note on strongly hyperbolic systems with involutive characteristics”, Kyoto J. Math., 58:3 (2018)
Francesco Fanelli, Springer INdAM Series, 17, Shocks, Singularities and Oscillations in Nonlinear Optics and Fluid Mechanics, 2017, 75
Annamaria Barbagallo, Vincenzo Esposito, “On hyperbolic equations with double characteristics in the presence of transition”, Bound Value Probl, 2016:1 (2016)
Annamaria Barbagallo, Vincenzo Esposito, “Energy estimates for the Cauchy problem associated to a class of hyperbolic operators with double characteristics in presence of transition”, Ricerche mat, 2015
Enrico Bernardi, Tatsuo Nishitani, “Counterexamples to $C^{\infty}$ well posedness for some hyperbolic operators with triple characteristics”, Proc. Japan Acad. Ser. A Math. Sci., 91:2 (2015)
Tatsuo Nishitani, “A simple proof of the existence of tangent bicharacteristics for noneffectively hyperbolic operators”, Kyoto J. Math., 55:2 (2015)