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math.AP2013★ 62 cited
Hyperbolic second order equations with non-regular time dependent coefficients
Claudia Garetto, Michael Ruzhansky
In this paper we study weakly hyperbolic second order equations with time dependent irregular coefficients. This means to assume that the coefficients are less regular than Hölder.…
math.AP2013★ 1 cited
Smoothing properties of inhomogeneous equations via canonical transforms
Michael Ruzhansky, Mitsuru Sugimoto
The paper describes a new approach to global smoothing problems for inhomogeneous dispersive evolution equations based on an idea of canonical transformation. In our previous paper…