Yoshikawa, Atsushi On computability of the Galerkin procedure. (English) Zbl 1143.03022 Proc. Japan Acad., Ser. A 83, No. 5, 69-72 (2007). MSC: 03D80 03D45 03F60 41A65 46C05 46S30 65K10 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad., Ser. A 83, No. 5, 69--72 (2007; Zbl 1143.03022) Full Text: DOI
Yoshikawa, Atsushi On higher-dimensional analogues of Slepian’s operator in his bandwidth arguments. (English) Zbl 1107.35341 Kyushu J. Math. 60, No. 1, 79-100 (2006). Reviewer: Messoud A. Efendiev (Berlin) MSC: 35G05 45B05 47F05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Kyushu J. Math. 60, No. 1, 79--100 (2006; Zbl 1107.35341) Full Text: DOI
Yoshikawa, Atsushi On an ad hoc computability structure in a Hilbert space. (English) Zbl 1052.03039 Proc. Japan Acad., Ser. A 79, No. 3, 65-70 (2003). Reviewer: R. Downey (Wellington) MSC: 03F60 46S30 03D80 03D45 46C05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad., Ser. A 79, No. 3, 65--70 (2003; Zbl 1052.03039) Full Text: DOI
Yoshikawa, Atsushi (ed.) Theoretical development and feasibility of mathematical analysis on the computer. Proceedings of a symposium held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, March 12–15, 2002. (English, Japanese) Zbl 1024.00516 RIMS Kokyuroku 1286, ii, 177 p. (2002). MSC: 00B25 PDFBibTeX XMLCite \textit{A. Yoshikawa} (ed.), RIMS Kokyuroku 1286, ii, 177 p. (2002; Zbl 1024.00516)
Yoshikawa, Atsushi Interpolation functor and computability. (English) Zbl 1051.03051 Theor. Comput. Sci. 284, No. 2, 487-498 (2002). MSC: 03F60 03D80 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Theor. Comput. Sci. 284, No. 2, 487--498 (2002; Zbl 1051.03051) Full Text: DOI
Yoshikawa, Atsushi (ed.) Relevance and feasibility of mathematical analysis on the computer. Proceedings of a symposium held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, March 21–22, 2000. (English, Japanese) Zbl 0974.68001 RIMS Kokyuroku 1169, viii, 108 p. (2000). MSC: 68-06 00B25 03F60 03-06 PDFBibTeX XMLCite \textit{A. Yoshikawa} (ed.), RIMS Kokyuroku 1169, viii, 108 p. (2000; Zbl 0974.68001)
Yoshikawa, Atsushi Modulation equations for planar phases and asymptotic weak solutions. (English) Zbl 0914.35076 Kyushu J. Math. 52, No. 1, 99-148 (1998). Reviewer: H.-D.Alber (Darmstadt) MSC: 35L45 35A35 35B40 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Kyushu J. Math. 52, No. 1, 99--148 (1998; Zbl 0914.35076) Full Text: DOI
Yoshikawa, Atsushi Mean values and mean-convolution products. (English) Zbl 0878.43002 Kyushu J. Math. 50, No. 2, 385-436 (1996). Reviewer: A.Mukherjea (Tampa) MSC: 43A07 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Kyushu J. Math. 50, No. 2, 385--436 (1996; Zbl 0878.43002) Full Text: DOI
Yoshikawa, Atsushi Asymptotic expansions of the solutions to a class of quasilinear hyperbolic initial value problems. (English) Zbl 0855.35076 J. Math. Soc. Japan 47, No. 2, 227-252 (1995). Reviewer: V.Georgiev (Sofia) MSC: 35L45 35L60 35C20 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Math. Soc. Japan 47, No. 2, 227--252 (1995; Zbl 0855.35076) Full Text: DOI
Yoshikawa, Atsushi Quasilinear oscillations and geometric optics. (English) Zbl 0827.35075 Adv. Math. Sci. Appl. 4, No. 2, 381-398 (1994). Reviewer: H.-D.Alber (Darmstadt) MSC: 35L60 35A35 35Q35 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Adv. Math. Sci. Appl. 4, No. 2, 381--398 (1994; Zbl 0827.35075)
Yoshikawa, Atsushi Quasilinear geometric optics approximation. (English) Zbl 0793.35012 Komatsu, Hikosaburo (ed.), Functional analysis and related topics, 1991. Proceedings of the international conference in memory of Professor Kôsaku Yosida held at RIMS, Kyoto University, Japan, July 29-Aug. 2, 1991. Berlin: Springer-Verlag. Lect. Notes Math. 1540, 403-413 (1993). MSC: 35C20 35L60 35L40 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Lect. Notes Math. 1540, 403--413 (1993; Zbl 0793.35012)
Yoshikawa, Atsushi Solutions containing a large parameter of a quasi-linear hyperbolic system of equations and their nonlinear geometric optics approximation. (English) Zbl 0794.35099 Trans. Am. Math. Soc. 340, No. 1, 103-126 (1993). MSC: 35L60 41A60 41A63 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Trans. Am. Math. Soc. 340, No. 1, 103--126 (1993; Zbl 0794.35099) Full Text: DOI
Yoshikawa, Atsushi Note on the Taylor expansion of smooth functions defined on Sobolev spaces. (English) Zbl 0785.46036 Tsukuba J. Math. 15, No. 1, 145-149 (1991). Reviewer: L.Pick (Praha) MSC: 46E35 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Tsukuba J. Math. 15, No. 1, 145--149 (1991; Zbl 0785.46036) Full Text: DOI
Yoshikawa, Atsushi Weak asymptotic solutions to hyperbolic systems of conservation laws. (English) Zbl 0712.35063 Recent topics in nonlinear PDE IV, Proc. 5th Meet., Kyoto/Jap. 1988, North-Holland Math. Stud. 160, 195-210 (1989). Reviewer: H.Engler MSC: 35L65 78A05 35B30 PDFBibTeX XML
Yoshikawa, Atsushi On a canonical standard form of second order linear ordinary differential equations with a small parameter. (English) Zbl 0634.34063 Proc. Japan Acad., Ser. A 63, 98-101 (1987). Reviewer: V.Lakshmikantham MSC: 34K25 34E15 34A30 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad., Ser. A 63, 98--101 (1987; Zbl 0634.34063) Full Text: DOI
Yoshikawa, Atsushi On the behavior of the solutions to the Lamm equation of the ultracentrifuge. II. (English) Zbl 0615.35047 SIAM J. Math. Anal. 17, 641-645 (1986). Reviewer: T.Faulkner MSC: 35K60 35B40 PDFBibTeX XMLCite \textit{A. Yoshikawa}, SIAM J. Math. Anal. 17, 641--645 (1986; Zbl 0615.35047) Full Text: DOI
Yoshikawa, Atsushi On the asymptotic behavior of solutions of a certain second order ordinary differential equation. (English) Zbl 0606.34036 Kodai Math. J. 8, 346-357 (1985). Reviewer: E.Roxin MSC: 34E05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Kodai Math. J. 8, 346--357 (1985; Zbl 0606.34036) Full Text: DOI
Yoshikawa, Atsushi A study of a certain non-conventional operator of principal type. II. (English) Zbl 0599.47079 Proc. Japan Acad., Ser. A 61, 1-3 (1985). MSC: 47F05 46F10 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad., Ser. A 61, 1--3 (1985; Zbl 0599.47079) Full Text: DOI
Yoshikawa, Atsushi Introduction to systems of nonlinear conservation laws - A theory of a conservation law. (Japanese) Zbl 0568.76002 Sophia Kokyuroku in Mathematics, 21. Tokyo: Sophia University, Department of Mathematics. 106 p. (1985). Reviewer: Y.Kozai MSC: 76-01 35-01 35F20 PDFBibTeX XML
Yoshikawa, Atsushi On a simple singular perturbation problem. (English) Zbl 0545.34039 J. Differ. Equations 60, 363-380 (1985). MSC: 34E15 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Differ. Equations 60, 363--380 (1985; Zbl 0545.34039) Full Text: DOI
Yoshikawa, Atsushi A study of a certain non-conventional operator of principal type. (English) Zbl 0599.47078 Proc. Japan Acad., Ser. A 60, 90-92 (1984). MSC: 47F05 46F10 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad., Ser. A 60, 90--92 (1984; Zbl 0599.47078) Full Text: DOI
Yoshikawa, Atsushi On the behavior of the solutions to the Lamm equation of the ultracentrifuge. (English) Zbl 0555.35069 SIAM J. Math. Anal. 15, 686-711 (1984). Reviewer: I.Onciulescu MSC: 35K60 35B40 PDFBibTeX XMLCite \textit{A. Yoshikawa}, SIAM J. Math. Anal. 15, 686--711 (1984; Zbl 0555.35069) Full Text: DOI
Yoshikawa, Atsushi A parametrix for a completely regularly hyperbolic operator. (English) Zbl 0516.35046 Hokkaido Math. J. 10, Special Issue, 723-742 (1981). MSC: 35L15 35A08 35S05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Hokkaido Math. J. 10, 723--742 (1981; Zbl 0516.35046)
Yoshikawa, Atsushi Parametrices for a class of effectively hyperbolic operators. (English) Zbl 0483.35048 Commun. Partial Differ. Equations 5, 1073-1151 (1980). MSC: 35L15 35S10 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Commun. Partial Differ. Equations 5, 1073--1151 (1980; Zbl 0483.35048) Full Text: DOI
Yoshikawa, Atsushi Abstract aspects of asymptotic analysis. (English) Zbl 0404.41017 J. Math. Soc. Japan 31, 513-533 (1979). MSC: 41A60 41A65 26A99 35S99 46A99 47D03 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Math. Soc. Japan 31, 513--533 (1979; Zbl 0404.41017) Full Text: DOI
Yoshikawa, Atsushi Construction of a parametrix for the Cauchy problem for some weakly hyperbolic equations. II. (English) Zbl 0423.35063 Hokkaido Math. J. 7, 1-26 (1978). MSC: 35L99 35S99 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Hokkaido Math. J. 7, 1--26 (1978; Zbl 0423.35063) Full Text: DOI
Yoshikawa, Atsushi Construction of a parametrix for the Cauchy problem of some weakly hyperbolic equation. III. (English) Zbl 0393.35040 Hokkaido Math. J. 7, 127-141 (1978). MSC: 35L15 35G10 35L80 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Hokkaido Math. J. 7, 127--141 (1978; Zbl 0393.35040) Full Text: DOI
Yoshikawa, Atsushi Fundamental solutions to the Cauchy problem of some weakly hyperbolic equation. (English) Zbl 0494.35004 Proc. Japan Acad., Ser. A 53, 103-107 (1977). MSC: 35A08 35L15 35D05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad., Ser. A 53, 103--107 (1977; Zbl 0494.35004) Full Text: DOI
Yoshikawa, Atsushi Construction of a parametrix for the Cauchy problem of some weakly hyperbolic equation. I. (English) Zbl 0381.35054 Hokkaido Math. J. 6, 313-344 (1977). MSC: 35L15 35S10 35E05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Hokkaido Math. J. 6, 313--344 (1977; Zbl 0381.35054) Full Text: DOI
Yoshikawa, Atsushi On Maslov’s canonical operator. (English) Zbl 0333.58010 Hokkaido Math. J. 4, 8-38 (1975). MSC: 58J40 35S99 47Gxx PDFBibTeX XMLCite \textit{A. Yoshikawa}, Hokkaido Math. J. 4, 8--38 (1975; Zbl 0333.58010) Full Text: DOI
Yoshikawa, Atsushi On the logarithm of closed linear operators. (English) Zbl 0281.47010 Proc. Japan Acad. 49, 169-173 (1973). MSC: 47A60 46E99 47D03 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad. 49, 169--173 (1973; Zbl 0281.47010) Full Text: DOI
Yoshikawa, Atsushi Note on singular perturbation of linear operators. (English) Zbl 0255.47050 Proc. Japan Acad. 48, 595-598 (1972). MSC: 47D03 34G99 47A55 PDFBibTeX XMLCite \textit{A. Yoshikawa}, Proc. Japan Acad. 48, 595--598 (1972; Zbl 0255.47050) Full Text: DOI
Yoshikawa, Atsushi On perturbation of closed operators in a Banach space. (English) Zbl 0237.47011 J. Fac. Sci., Hokkaido Univ., Ser. I 22, 50-61 (1972). MSC: 47A55 47B44 47D03 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Hokkaido Univ., Ser. I 22, 50--61 (1972; Zbl 0237.47011)
Yoshikawa, Atsushi Fractional powers of operators, interpolation theory and imbedding theorems. (English) Zbl 0238.46040 J. Fac. Sci., Univ. Tokyo, Sect. I A 18, 335-362 (1971). MSC: 46E35 46E40 47A99 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Univ. Tokyo, Sect. I A 18, 335--362 (1971; Zbl 0238.46040)
Yoshikawa, Atsushi An operator theoretical remark on the Hardy-Littlewood-Sobolev inequality. (English) Zbl 0213.12903 J. Fac. Sci., Univ. Tokyo, Sect. I A 17, 559-566 (1970). MSC: 42B25 46E30 46E35 47A05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Univ. Tokyo, Sect. I A 17, 559--566 (1970; Zbl 0213.12903)
Yoshikawa, Atsushi An abstract formulation of Sobolev type imbedding theorems and its applications to elliptic boundary value problems. (English) Zbl 0213.12902 J. Fac. Sci., Univ. Tokyo, Sect. I A 17, 543-558 (1970). MSC: 46E35 46E30 47A10 47F05 PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Univ. Tokyo, Sect. I A 17, 543--558 (1970; Zbl 0213.12902)
Yoshikawa, Atsushi Sur la théorie d’espaces d’interpolation - les espaces de moyenne de plusieurs espaces de Banach -. (French) Zbl 0197.09901 J. Fac. Sci. Univ. Tokyo, Sect. I 16, 407-468 (1970). PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Univ. Tokyo, Sect. I 16, 407--468 (1970; Zbl 0197.09901)
Yoshikawa, Atsushi Remarks on the theory of interpolation spaces. (English) Zbl 0167.42402 J. Fac. Sci. Univ. Tokyo, Sect. I 15, 209-251 (1968). PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Univ. Tokyo, Sect. I 15, 209--251 (1968; Zbl 0167.42402)
Yoshikawa, Atsushi On the hypoellipticity of differential operators. (English) Zbl 0153.13804 J. Fac. Sci., Univ. Tokyo, Sect. I 14, 81-88 (1967). PDFBibTeX XMLCite \textit{A. Yoshikawa}, J. Fac. Sci., Univ. Tokyo, Sect. I 14, 81--88 (1967; Zbl 0153.13804)