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Takashi Ōkaji

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Publication

Featured researches published by Takashi Ōkaji.

Journal of Mathematics of Kyoto University | 1985

Analytic hypoellipticity for operators with symplectic characteristics

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1988

Gevrey-hypoelliptic operators which are not

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1984

C^\infty

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1986

-hypoelliptic

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1980

Uniqueness in the Cauchy problem for a class of partial differential operators degenerate on the initial surface

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1994

On the Gevrey index for some hypoelliptic operators

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1992

The local solvability of partial differential operator with multiple characteristics in two independent variables

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1989

Maximally hyperbolic operators

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1988

Equations of evolution on the Heisenberg group I

Takashi Ōkaji

Journal of Mathematics of Kyoto University | 1985

The Cauchy problems for non-effectively hyperbolic differential operators and their product

Takashi Ōkaji

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