Eigenfunction expansions for symmetric systems of first order in the half-space
R+n, Publ. RIMS, Kyoto Univ. 11 (1975),
67-147 概略
Propagation of singularities of the fundamental solutions of hyperbolic mixed problems,
Publ. RIMS, Kyoto Univ. 15 (1979), 653-678 概略
The Cauchy problem for operators with constant coefficient hyperbolic principal part
and propagation of singularities, Japan. J. Math. 6 (1980), 179-228
概略
A necessary condition for the mixed problem to be C∞
well-posed, Comm. in PDE 5 (1980), 1031-1064 概略
Singularities of solutions of the Cauchy problem for symmetric hyperbolic systems,
Comm. in PDE 9 (1984), 1147-1177 概略
Singularities of solutions of the Cauchy problem for hyperbolic systems in Gevrey
classes, Japan. J. Math. 11 (1985), 131-175 概略
The hyperbolic mixed problem in Gevrey classes, Japan. J. Math. 15 (1989), 309-383
(with K. Kajitani) 概略
Propagation of singularities for several classes of pseudodifferential operators,
Bull. Sc. math., 2 serie 115 (1991), 397-449 (with K. Kajitani)
概略
Microlocala priori estimates and the Cauchy problem I & II, Japan.
J. Math. 19 &20 (1993 & 1994), 353-418 & 1-71 (with K. Kajitani)
概略
The Cauchy problem for hyperbolic operators of strong type, Duke Math. J. 75 (1994),
353-408 (with K. Kajitani and T. Nishitani) 概略
Classical Microlocal Analysis in the Space of Hyperfunctions, Lecture Notes in
Mathematics, vol. 1737, Springer, 367pp, 2000 概略
The Lax-Mizohata theorem for nonlinear Cauchy problems, Comm. in P. D. E. 26 (2001),
1367-1384 概略
Remarks on analytic hypoellipticity and local solvability in the space of
hyperfunctions, J. Math. Sci. Univ. Tokyo 10 (2003), 89-117 概略
Local solvability of operators with principal symbol
ξ12
+…+ξn-12
+xn2ξn2
in the spaces of distributions and ultradistributions, Funkcialaj Ekvacioj 48-3 (2005), 453-487
概略
Remarks on solvability of pseudo-differential operators in the space of hyperfunctions,
J. Math. Sci. Univ. Tokyo 13 (2006), 595-616 概略
On the Cauchy problem for hyperbolic operators with nearly constant coefficient principal part,
Funkcialaj Ekvacioj 51 (2008), 395-430 概略
On the Cauchy problem for hyperbolic operators of second order whose coefficients depend only
on the time variable, J. Math. Soc. Japan 62-1 (2010), 95-133 概略
On the Cauchy problem for second-order hyperbolic operators with the coefficients
of their principal parts depending only on the time variable,
Funkcialaj Ekvacioj 55 (2012), 99-136 概略
Singularities of solutions to the Cauchy problem for a class of second-order hyperbolic
operators, Funkcialaj Ekvacioj 57 (2014), 375-448 概略
On the Cauchy problem for a class of hyperbolic operators whose
coefficients depend only on the time variable, Tsukuba J. Math. 39-1
(2015), 121-163 概略
On the Cauchy Problem for hyperbolic operators with double characteristics whose principal parts
have time dependent coefficients, Funkcialaj Ekvacioj 63 (2020), 345-418
概略