Tetsu Shimomura

Last Updated :2025/11/07

Affiliations, Positions
Graduate School of Humanities and Social Sciences, Professor
E-mail
tshimohiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Doctor of Philosophy, Hiroshima University
  • Master, Hiroshima University

Research Fields

  • Mathematical and physical sciences;Mathematics;Basic analysis

Research Keywords

  • Sobolev functions

Educational Activity

Course in Charge

  1. 2025, Undergraduate Education, 2Term, Introduction to Analysis I
  2. 2025, Undergraduate Education, 2Term, Research Methods in Analysis I
  3. 2025, Undergraduate Education, 4Term, Study of Instructional Materials in Analysis
  4. 2025, Undergraduate Education, Second Semester, Graduation Thesis
  5. 2025, Undergraduate Education, First Semester, Study of Instructional Materials in Analysis Education
  6. 2025, Graduate Education (Master's Program) , First Semester, Special Study in Mathematics Education A
  7. 2025, Graduate Education (Master's Program) , Second Semester, Special Study in Mathematics Education A
  8. 2025, Graduate Education (Master's Program) , 3Term, Basic Course in Teaching Material Design for Science and Culture (Mathematics) b
  9. 2025, Graduate Education (Doctoral Program) , First Semester, Special Study
  10. 2025, Graduate Education (Doctoral Program) , Second Semester, Special Study

Research Activities

Academic Papers

  1. Sobolev inequalities in central Musielak-Orlicz-Morrey spaces and double phase functionals Sobolev inequalities in central Musielak-Orlicz-Morrey spaces..., BANACH JOURNAL OF MATHEMATICAL ANALYSIS, 19(4), 20250820
  2. Hardy-Trudinger inequalities in weighted Orlicz spaces, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 44(3-4), 485-500, 2025
  3. ★, Sobolev type inequalities for fractional maximal functions and Riesz potentials in half-spaces, STUDIA MATHEMATICA, 281(3), 203-226, 2025
  4. ★, Boundedness of maximal operators and Sobolev inequalities on Musielak-Orlicz spaces over unbounded metric measure spaces, BULLETIN DES SCIENCES MATHEMATIQUES, 199, 202503
  5. ★, COMPACT EMBEDDINGS FOR RADIAL SOBOLEV SPACES OF TWO VARIABLE EXPONENTS AND NONLINEAR ELLIPTIC PROBLEMS WITH VARIABLE CRITICAL EXPONENT, ADVANCES IN DIFFERENTIAL EQUATIONS, 30(5-6), 237-268, 2025
  6. ★, Generalized Riesz potential operators on Musielak-Orlicz-Morrey spaces over unbounded metric measure spaces, ANALYSIS AND MATHEMATICAL PHYSICS, 15(2), 202504
  7. Vanishing Sobolev Integrability and Trudinger Exponential Integrability for Fractional Operators in Morrey-Orlicz Spaces, TOKYO JOURNAL OF MATHEMATICS, 47(2), 301-331, 202412
  8. Morrey capacity and vanishing integrability for Riesz potentials in Morrey-Orlicz spaces, ILLINOIS JOURNAL OF MATHEMATICS, 68(4), 202412
  9. Campanato-Morrey spaces and variable Riesz potentials, ACTA MATHEMATICA HUNGARICA, 174(1), 62-74, 202410
  10. Generalized fractional integral operators on weak Choquet spaces over quasi-metric measure spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 74(3), 905-913, 202409
  11. On Trudinger-type inequalities in Musielak-Orlicz-Morrey spaces of an integral form over metric measure spaces, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 43(3-4), 377-400, 2024
  12. Hardy-Sobolev inequalities and boundary growth of Sobolev functions for double phase functionals on the half space, RICERCHE DI MATEMATICA, 73(4), 1707-1723, 202409
  13. Boundedness of Hardy operators in the unit ball of double phase, HOKKAIDO MATHEMATICAL JOURNAL, 53(2), 285-306, 202406
  14. Trudinger-type inequalities for variable Riesz potentials of functions in Musielak-Orlicz-Morrey spaces over metric measure spaces, MATHEMATISCHE NACHRICHTEN, 297(4), 1248-1274, 202404
  15. Vanishing exponential integrability for Riesz potentials in Morrey-Orlicz spaces, MATHEMATISCHE NACHRICHTEN, 297(1), 110-125, 202401
  16. Sobolev type inequalities for fractional maximal functions and Riesz potentials in Morrey spaces of variable exponent on half spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 73(4), 1201-1217, 202312
  17. Integrability for Hardy operators of double phase, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 42(3-4), 375-402, 2023
  18. Generalized solution of the double obstacle problem for Musielak-Orlicz Dirichlet energy integral on metric measure spaces, HIROSHIMA MATHEMATICAL JOURNAL, 53(3), 359-372, 202311
  19. Hardy-Sobolev Inequalities For Riesz Potentials Of Functions In Orlicz Spaces, ACTA MATHEMATICA HUNGARICA, 171(2), 221-240, 202312
  20. Continuity of Generalized Riesz Potentials for Double Phase Functionals with Variable Exponents over Metric Measure Spaces, TAIWANESE JOURNAL OF MATHEMATICS, 27(4), 813-832, 202308
  21. VANISHING MORREY INTEGRABILITY FOR RIESZ POTENTIALS IN MORREY-ORLICZ SPACES, MATHEMATICA SCANDINAVICA, 129(2), 374-400, 2023
  22. Continuity of Riesz potentials for double phase functionals with variable exponents, PUBLICATIONES MATHEMATICAE DEBRECEN, 103(1-2), 171-186, 2023
  23. BOUNDEDNESS OF INTEGRAL OPERATORS OF DOUBLE PHASE, MATHEMATICAL INEQUALITIES & APPLICATIONS, 26(3), 703-716, 202307
  24. Trudinger's inequality for Riesz potentials on Musielak-Orlicz spaces over metric measure spaces, COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 68(10), 1694-1714, 20231003
  25. Sobolev's inequality in Musielak-Orlicz-Morrey spaces of an integral form, MATHEMATISCHE NACHRICHTEN, 296(9), 4152-4168, 202309
  26. Hardy-Sobolev inequalities for double phase functionals, HOKKAIDO MATHEMATICAL JOURNAL, 52(2), 331-352, 202306
  27. ★, Sobolev's Inequality for Musielak-Orlicz-Sobolev Functions, RESULTS IN MATHEMATICS, 78(3), 202306
  28. ★, Hardy-Littlewood-Sobolev Theorem for Variable Riesz Potentials, RESULTS IN MATHEMATICS, 78(3), 202306
  29. Trudinger's Inequality on Musielak-Orlicz-Morrey Spaces Over Non-doubling Metric Measure Spaces, MEDITERRANEAN JOURNAL OF MATHEMATICS, 20(3), 202306
  30. Generalized fractional maximal operators on Musielak-Orlicz-Morrey spaces, POSITIVITY, 27(2), 202304
  31. RIESZ POTENTIALS AND SOBOLEV-TYPE INEQUALITIES IN ORLICZ-MORREY SPACES OF AN INTEGRAL FORM, CZECHOSLOVAK MATHEMATICAL JOURNAL, 73(1), 263-276, 202303
  32. Sobolev-Type Inequalities on Musielak-Orlicz-Morrey Spaces of an Integral Form, BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY, 46(1), 202301
  33. TRUDINGER-TYPE INEQUALITIES IN MUSIELAK-ORLICZ SPACES, HOUSTON JOURNAL OF MATHEMATICS, 48(3), 479-497, 2022
  34. Boundary growth of Sobolev functions of monotone type for double phase functionals, ANNALES FENNICI MATHEMATICI, 47(1), 23-37, 2022
  35. Sobolev and Trudinger inequalities in weighted Morrey spaces for double phase functionals, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 41(3-4), 439-466, 2022
  36. Generalized fractional integral operators on variable exponent Morrey type spaces over metric measure spaces, PORTUGALIAE MATHEMATICA, 79(3-4), 265-282, 2022
  37. Compact embeddings for Sobolev spaces of two variable exponents, COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 67(12), 3009-3022, 20221202
  38. HARDY-SOBOLEV INEQUALITY IN HERZ SPACES, TOHOKU MATHEMATICAL JOURNAL, 74(2), 287-300, 2022
  39. GENERALIZED FRACTIONAL INTEGRAL OPERATORS ON VARIABLE EXPONENT MORREY SPACES OF AN INTEGRAL FORM, ACTA MATHEMATICA HUNGARICA, 167(1), 201-214, 202206
  40. ★, Boundedness of fractional integral operators in Herz spaces on the hyperplane, MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 45(14), 8631-8654, 20220930
  41. On Sobolev-type Inequalities on Morrey Spaces of an Integral Form, TAIWANESE JOURNAL OF MATHEMATICS, 26(4), 831-845, 202208
  42. HARDY AND SOBOLEV INEQUALITIES FOR DOUBLE PHASE FUNCTIONALS ON THE UNIT BALL, MATHEMATICAL INEQUALITIES & APPLICATIONS, 25(2), 319-333, 202204
  43. Sobolev-type inequalities on variable exponent Morrey spaces of an integral form, RICERCHE DI MATEMATICA, 71(1), 189-204, 202206
  44. Maximal and Riesz Potential Operators in Double Phase Lorentz Spaces of Variable Exponents, MATHEMATICAL NOTES, 111(5-6), 729-735, 202206
  45. Sobolev's inequality in central Herz-Morrey-Musielak-Orlicz spaces over metric measure spaces, COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 67(5), 1154-1185, 20220504
  46. HARDY-SOBOLEV INEQUALITIES IN THE HALF-SPACE FOR DOUBLE PHASE FUNCTIONALS, ROCKY MOUNTAIN JOURNAL OF MATHEMATICS, 51(6), 2159-2169, 202112
  47. Hardy-Sobolev inequality for Sobolev functions in central Herz-Morrey spaces, MATHEMATISCHE NACHRICHTEN, 294(6), 1148-1159, 202106
  48. Nonhomogeneous central Morrey-type spaces in L-P(.) and weak estimates for the maximal and Riesz potential operators, KYOTO JOURNAL OF MATHEMATICS, 62(1), 133-150, 202204
  49. TRUDINGER-TYPE INEQUALITIES ON MUSIELAK-ORLICZ-MORREY SPACES OF AN INTEGRAL FORM, MATHEMATICA SCANDINAVICA, 128(1), 78-108, 2022
  50. CONTINUITY OF GENERALIZED RIESZ POTENTIALS FOR DOUBLE PHASE FUNCTIONALS WITH VARIABLE EXPONENTS, GLASNIK MATEMATICKI, 56(2), 329-341, 202112
  51. Sobolev embeddings in grand Morrey spaces, MATHEMATISCHE NACHRICHTEN, 294(12), 2367-2381, 202112
  52. BOUNDARY LIMITS OF MONOTONE SOBOLEV FUNCTIONS ON METRIC SPACES, OSAKA JOURNAL OF MATHEMATICS, 58(1), 135-147, 202101
  53. Weak Estimates for the Maximal and Riesz Potential Operators in Central Herz-Morrey Spaces on the Unit Ball, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 40(2), 183-207, 2021
  54. Boundedness of maximal operator, Hardy operator and Sobolev's inequalities on non-homogeneous central Herz-Morrey-Musielak-Orlicz spaces, HIROSHIMA MATHEMATICAL JOURNAL, 51(1), 13-55, 202103
  55. HERZ-MORREY SPACES ON THE UNIT BALL WITH VARIABLE EXPONENT APPROACHING 1 AND DOUBLE PHASE FUNCTIONALS, NAGOYA MATHEMATICAL JOURNAL, 242, 1-34, 202106
  56. Trudinger's Inequality for Double Phase Functionals with Variable Exponents, CZECHOSLOVAK MATHEMATICAL JOURNAL, 71(2), 511-528, 202106
  57. SOBOLEV'S INEQUALITY FOR MUSIELAK-ORLICZ-MORREY SPACES OVER METRIC MEASURE SPACES, JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY, 110(3), 371-385, 202106
  58. Hardy-Sobolev inequalities in the unit ball for double phase functionals, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 501(1), 20210901
  59. Boundedness of fractional maximal operators for double phase functionals with variable exponents, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 501(1), 20210901
  60. THE DOUBLE OBSTACLE PROBLEM FORMUSIELAK-ORLICZ DIRICHLET ENERGY INTEGRAL ON METRIC MEASURE SPACES, TOHOKU MATHEMATICAL JOURNAL, 73(1), 119-136, 2021
  61. CONTINUITY OF GENERALIZED RIESZ POTENTIALS FOR DOUBLE PHASE FUNCTIONALS, MATHEMATICAL INEQUALITIES & APPLICATIONS, 24(3), 715-723, 202107
  62. On Trudinger-type Inequalities in Orlicz-Morrey Spaces of an Integral Form, CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES, 64(1), 75-90, 202103
  63. ★, Fractional Maximal Operator on Musielak-Orlicz Spaces Over Unbounded Quasi-Metric Measure Spaces, RESULTS IN MATHEMATICS, 76(4), 202112
  64. HARDY-SOBOLEV INEQUALITIES FOR SOBOLEV FUNCTIONS IN CENTRAL HERZ-MORREY SPACES ON THE UNIT BALL, ANNALES FENNICI MATHEMATICI, 46(2), 1031-1052, 2021
  65. BOUNDARY GROWTH OF SOBOLEV FUNCTIONS FOR DOUBLE PHASE FUNCTIONALS, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 45, 279-292, 2020
  66. SOBOLEV'S THEOREM FOR DOUBLE PHASE FUNCTIONALS, MATHEMATICAL INEQUALITIES & APPLICATIONS, 23(1), 17-33, 202001
  67. ★, Generalized Riesz potentials of functions in Morrey spaces L-(1,L-phi;kappa)(G) over non-doubling measure spaces, FORUM MATHEMATICUM, 32(2), 339-359, 202003
  68. Sobolev's Inequality for Riesz Potentials of Functions in Musielak-Orlicz-Morrey Spaces Over Non-doubling Metric Measure Spaces, CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES, 63(2), 287-303, 202006
  69. Campanato-Morrey spaces for the double phase functionals with variable exponents, NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 197, 202008
  70. Hardy and Sobolev inequalities in the half space, ACTA MATHEMATICA HUNGARICA, 161(1), 230-244, 202006
  71. WEAK ESTIMATES FOR THE MAXIMAL AND RIESZ POTENTIAL OPERATORS ON NON-HOMOGENEOUS CENTRAL MORREY TYPE SPACES IN L-1 OVER METRIC MEASURE SPACES, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 45, 1187-1207, 2020
  72. Growth properties for generalized Riesz potentials of functions satisfying Orlicz conditions, MATHEMATISCHE NACHRICHTEN, 293(6), 1156-1173, 202006
  73. Boundedness of the maximal and potential operators in Herz-Morrey type spaces, COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 65(9), 1575-1589, 20200901
  74. Predual spaces of generalized grand Morrey spaces over non-doubling measure spaces, GEORGIAN MATHEMATICAL JOURNAL, 27(3), 433-439, 202009
  75. GAGLIARDO-NIRENBERG INEQUALITY FOR GENERALIZED RIESZ POTENTIALS OF FUNCTIONS IN MUSIELAK-ORLICZ SPACES OVER QUASI-METRIC MEASURE SPACES, COLLOQUIUM MATHEMATICUM, 161(1), 51-66, 2020
  76. BOUNDARY LIMITS OF MONOTONE SOBOLEV FUNCTIONS FOR DOUBLE PHASE FUNCTIONALS, OSAKA JOURNAL OF MATHEMATICS, 57(4), 819-826, 202010
  77. BOUNDEDNESS OF MAXIMAL OPERATORS ON HERZ SPACES WITH RADIAL VARIABLE EXPONENT, TOHOKU MATHEMATICAL JOURNAL, 72(3), 335-348, 2020
  78. Campanato-Morrey spaces for the double phase functionals, REVISTA MATEMATICA COMPLUTENSE, 33(3), 817-834
  79. Duality of central Herz-Morrey-Musielak-Orlicz spaces of variable exponents, COLLECTANEA MATHEMATICA, 70(1), 117-151, 201901
  80. ★, Sobolev's inequality for double phase functionals with variable exponents, FORUM MATHEMATICUM, 31(2), 517-527, 201903
  81. OBSTACLE PROBLEM FOR MUSIELAK-ORLICZ DIRICHLET ENERGY INTEGRAL ON METRIC MEASURE SPACES, TOHOKU MATHEMATICAL JOURNAL, 71(1), 53-68, 2019
  82. BOUNDARY GROWTH OF GENERALIZED RIESZ POTENTIALS ON THE UNIT BALL IN THE VARIABLE SETTINGS, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 44, 125-140, 2019
  83. Boundedness of Generalized Fractional Integral Operators on Orlicz Spaces Near L-1 Over Metric Measure Spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 69(1), 207-223, 201903
  84. Lindelof theorems for monotone Sobolev functions in Orlicz spaces on uniform domains, MATHEMATISCHE NACHRICHTEN, 292(4), 793-804, 201904
  85. OPTIMAL ESTIMATES FOR THE FRACTIONAL HARDY OPERATOR ON VARIABLE EXPONENT LEBESGUE SPACES, MATHEMATICAL INEQUALITIES & APPLICATIONS, 22(2), 445-462, 201904
  86. ROUNDEDNESS OF GENERALIZED RIESZ POTENTIALS OF FUNCTIONS IN MORREY SPACES L-(1,L-phi:kappa) (G) OVER NON-DOUBLING MEASURE SPACES, MATHEMATICAL INEQUALITIES & APPLICATIONS, 22(2), 577-599, 201904
  87. MAXIMAL OPERATOR ON ORLICZ SPACES OF TWO VARIABLE EXPONENTS OVER UNBOUNDED QUASI-METRIC MEASURE SPACES, PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 147(7), 2877-2885, 201907
  88. Weak estimates for the maximal and Riesz potential operators in non-homogeneous central Herz-Morrey spaces, COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 64(9), 1437-1456, 20190902
  89. Sobolev inequalities for Musielak-Orlicz spaces, MANUSCRIPTA MATHEMATICA, 155(1-2), 209-227, 201801
  90. SOBOLEV'S INEQUALITIES FOR HERZ-MORREY-ORLICZ SPACES ON THE HALF SPACE, MATHEMATICAL INEQUALITIES & APPLICATIONS, 21(2), 433-453, 201804
  91. A remark on modified Morrey spaces on metric measure spaces, HOKKAIDO MATHEMATICAL JOURNAL, 47(1), 1-15, 201802
  92. GROWTH PROPERTIES OF POTENTIALS IN CENTRAL MORREY-ORLICZ SPACES ON THE UNIT BALL, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 43(1), 21-46, 2018
  93. VARIABLE EXPONENT WEIGHTED NORM INEQUALITY FOR GENERALIZED RIESZ POTENTIALS, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 43(1), 563-577, 2018
  94. ★, Boundary Behavior of Monotone Sobolev Functions in Orlicz Spaces on John Domains in a Metric Space, JOURNAL OF GEOMETRIC ANALYSIS, 28(2), 1233-1244, 201804
  95. Generalized fractional integral operators on generalized Orlicz-Morrey spaces of the second kind over non-doubling metric measure spaces, GEORGIAN MATHEMATICAL JOURNAL, 25(2), 303-311, 201806
  96. Variable exponent weighted norm inequality for generalized Riesz potentials on the unit ball, COLLECTANEA MATHEMATICA, 69(3), 377-394, 201809
  97. Maximal and Riesz Potential Operators on Musielak-Orlicz Spaces Over Metric Measure Spaces, INTEGRAL EQUATIONS AND OPERATOR THEORY, 90(6), 201812
  98. Sobolev's inequality for Riesz potentials of functions in grand Musielak-Orlicz-Morrey spaces over nondoubling metric measure spaces, MATHEMATISCHE NACHRICHTEN, 291(10), 1547-1562, 201807
  99. Trudinger's inequality and continuity for Riesz potential of functions in Orlicz spaces of two variable exponents over nondoubling measure spaces, KYOTO JOURNAL OF MATHEMATICS, 57(1), 79-96, 201704
  100. Boundary limits of monotone Sobolev functions in Musielak-Orlicz spaces on uniform domains in a metric space, KYOTO JOURNAL OF MATHEMATICS, 57(1), 147-164, 201704
  101. Boundedness of the Generalized Fractional Integral Operators on Generalized Morrey Spaces over Metric Measure Spaces, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 36(2), 159-190, 2017
  102. Generalized fractional integral operators over non-doubling metric measure spaces, INTEGRAL TRANSFORMS AND SPECIAL FUNCTIONS, 28(7), 534-546, 201707
  103. Growth properties near the origin for generalized Riesz potentials, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 454(1), 285-302, 2017
  104. ★, Duality of Non-Homogeneous Central Herz-Morrey-Musielak-Orlicz Spaces, POTENTIAL ANALYSIS, 47(4), 447-460, 2017
  105. BOUNDEDNESS OF THE MAXIMAL OPERATOR ON MUSIELAK-ORLICZ-MORREY SPACES, TOHOKU MATHEMATICAL JOURNAL, 69(4), 483-495, 2017
  106. Growth properties for Riesz potentials of functions in weighted variable Lp(.) spaces, NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 162, 49-75, 201710
  107. SOBOLEV INEQUALITIES FOR RIESZ POTENTIALS OF FUNCTIONS IN Lp(.) OVER NONDOUBLING MEASURE SPACES, BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY, 93(1), 128-136, 2016
  108. Boundedness of Generalized Fractional Integral Operators From the Morrey Space L-1,L-phi(X; mu) to the Campanato Space L-1,L-psi(X; mu) Over Non-doubling Measure Spaces, AZERBAIJAN JOURNAL OF MATHEMATICS, 6(2), 117-127, 201607
  109. SOME NORM INEQUALITIES IN MUSIELAK-ORLICZ SPACES, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 41(2), 721-744, 2016
  110. Musielak-Orlicz-Sobolev spaces with zero boundary values on metric measure spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 66(2), 371-394, 2016
  111. Trudinger's inequality and continuity for Riesz potentials of functions in grand Musielak-Orlicz-Morrey spaces over nondoubling metric measure spaces, KYOTO JOURNAL OF MATHEMATICS, 56(3), 633-653, 201609
  112. Boundedness of Maximal Operators and Sobolev's Inequality on Non-Homogeneous Central Musielak-Orlicz-Morrey Spaces, MEDITERRANEAN JOURNAL OF MATHEMATICS, 13(5), 3341-3357, 201610
  113. Growth properties of Musielak-Orlicz integral means for Riesz potentials, NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 112, 69-83, 201501
  114. Boundary limits of monotone Sobolev functions with variable exponent on uniform domains in a metric space, REVISTA MATEMATICA COMPLUTENSE, 28(1), 31-48, 201501
  115. SOBOLEV AND TRUDINGER TYPE INEQUALITIES ON GRAND MUSIELAK-ORLICZ-MORREY SPACES, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 40(1), 403-426, 2015
  116. Musielak-Orlicz-Sobolev spaces on metric measure spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 65(2), 435-474, 201506
  117. Weighted Morrey spaces of variable exponent and Riesz potentials, MATHEMATISCHE NACHRICHTEN, 288(8-9), 984-1002, 201506
  118. Boundedness of maximal operators and Sobolev's theorem for non-homogeneous central Morrey spaces of variable exponent, HOKKAIDO MATHEMATICAL JOURNAL, 44(2), 185-201, 201506
  119. Problem posing in the upper grades using computers, Mathematical Problem Posing, Springer-Verlag New York, 257-272, 2015
  120. ★, Optimal estimates for the fractional Hardyoperator, STUDIA MATHEMATICA, 227(1), 1-19, 2015
  121. EXPONENTIAL INTEGRABILITY FOR LOGARITHMIC POTENTIALS OF FUNCTIONS IN GENERALIZED LEBESGUE SPACES L(log L)(q(.)) OVER NON-DOUBLING MEASURE SPACES, TAIWANESE JOURNAL OF MATHEMATICS, 19(6), 1795-1803, 201512
  122. Trudinger's inequality for Riesz potentials of functions in Musielak-Orlicz spaces, BULLETIN DES SCIENCES MATHEMATIQUES, 138(2), 225-235, 201403
  123. Trudinger's inequality and continuity for Riesz potentials of functions in Musielak-Orlicz-Morrey spaces on metric measure spaces, NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 106, 1-17, 201409
  124. Sobolev embeddings for Riesz potentials of functions in grand Morrey spaces of variable exponents over non-doubling measure spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 64(1), 209-228, 201403
  125. Sobolev embeddings for Riesz potentials of functions in Musielak-Orlicz-Morrey spaces over non-doubling measure spaces, INTEGRAL TRANSFORMS AND SPECIAL FUNCTIONS, 25(12), 976-991, 20141202
  126. Hardy's inequality in Musielak-Orlicz-Sobolev spaces, HIROSHIMA MATHEMATICAL JOURNAL, 44(2), 139-155, 201407
  127. SOBOLEV EMBEDDINGS FOR RIESZ POTENTIALS OF FUNCTIONS IN MORREY SPACES L-1,L-nu,L- beta 1,L-beta 2(R-n), MATHEMATICAL INEQUALITIES & APPLICATIONS, 17(4), 1399-1414, 201410
  128. ★, Trudinger's Inequality and Continuity of Potentials on Musielak-Orlicz-Morrey Spaces, POTENTIAL ANALYSIS, 38(2), 515-535, 201302
  129. ★, Boundedness of maximal operators and Sobolev's inequality on Musielak-Orlicz-Morrey spaces, BULLETIN DES SCIENCES MATHEMATIQUES, 137(1), 76-96, 2013
  130. On the Boundary Limits of Monotone Sobolev Functions in Variable Exponent Orlicz Spaces, ACTA MATHEMATICA SINICA-ENGLISH SERIES, 29(3), 461-470, 201303
  131. Sobolev Embeddings for Generalized Riesz Potentials of Functions in Morrey Spaces L-(1,L-phi)(G) over Nondoubling Measure Spaces, JOURNAL OF FUNCTION SPACES AND APPLICATIONS, 2013
  132. Littlewood-Paley theory for variable exponent Lebesgue spaces and Gagliardo-Nirenberg inequality for Riesz potentials, JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, 65(2), 633-670, 201304
  133. Hardy Averaging Operator on Generalized Banach Function Spaces and Duality, ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 32(2), 233-255, 2013
  134. ★, Sobolev embeddings for Riesz potentials of functions in non-doubling Morrey spaces of variable exponents, COLLECTANEA MATHEMATICA, 64(3), 313-350, 201309
  135. Approximate identities and Young type inequalities in Musielak-Orlicz spaces, CZECHOSLOVAK MATHEMATICAL JOURNAL, 63(4), 933-948, 201312
  136. Sobolev's inequality for Riesz potentials of functions in generalized Morrey spaces with variable exponentattaining the value $1$ over non-doubling measure spaces, Journal of Inequalities and Applications, 2013:12, 20130101
  137. Mean continuity for potentials of functions in Musielak-Orlicz spaces, RIMS K\^{o}ky\^{u}roku Bessatsu., B43, 81-100, 20130901
  138. Sobolev's inequality for Riesz potentials of functions in generalized Morrey spaces with variable exponent attaining the value 1 over non-doubling measure spaces, JOURNAL OF INEQUALITIES AND APPLICATIONS, 1-19, 2013
  139. LINDELOF THEOREMS FOR MONOTONE SOBOLEV FUNCTIONS IN ORLICZ SPACES, ILLINOIS JOURNAL OF MATHEMATICS, 57(4), 1025-1033, 2013
  140. Maximal functions, Riesz potentials and Sobolev embeddings on Musielak-Orlicz-Morrey spaces of variable exponent in R-n, REVISTA MATEMATICA COMPLUTENSE, 25(2), 413-434, 201207
  141. A trace inequality of Riesz potentials in variable exponent Orlicz spaces, MATHEMATISCHE NACHRICHTEN, 285(11-12), 1466-1485, 201208
  142. Weighted Sobolev inequality in Musielak-Orlicz space, J. Math. Anal. Appl., 388, 86-97, 20120101
  143. Gagliardo-Nirenberg inequality for generalized Riesz potentials of functions in Orlicz-Musielak spaces, Arch. Math., 98, 253-263, 20120301
  144. Weighted Sobolev inequality in Musielak-Orlicz space, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 388(1), 86-97, 20120401
  145. Gagliardo-Nirenberg inequality for generalized Riesz potentials of functions in Musielak-Orlicz spaces, ARCHIV DER MATHEMATIK, 98(3), 253-263, 201203
  146. EXPONENTIAL INTEGRABILITY OF RIESZ POTENTIALS OF ORLICZ FUNCTIONS, ILLINOIS JOURNAL OF MATHEMATICS, 56(2), 507-520, 2012
  147. Iterated maximal functions in variable exponent Lebesgue spaces, MANUSCRIPTA MATHEMATICA, 135(3-4), 381-399, 201107
  148. Capacity for potentials of functions in Musielak-Orlicz spaces, NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 74(17), 6231-6243, 201112
  149. Hardy's inequality in Orlicz-Sobolev spaces of variable exponent, HOKKAIDO MATHEMATICAL JOURNAL, 40(2), 187-203, 201106
  150. Riesz potentials and Sobolev embeddings on Morrey spaces of variable exponents, COMPLEX VARIABLES AND ELLIPTIC EQUATIONS, 56(7-9), 671-695, 2011
  151. ORLICZ-SOBOLEV CAPACITY OF BALLS, ILLINOIS JOURNAL OF MATHEMATICS, 55(2), 543-553, 2011
  152. Sobolev's inequality for Riesz potentials in Orlicz-Musielak spaces, Proceedings of the International Symposium on Banach and Function Spaces III (Kitakyushu, Japan, 2009), 409-419, 2011
  153. ★, Sobolev embeddings for Riesz potential spaces of variable exponents near 1 and Sobolev's exponent, BULLETIN DES SCIENCES MATHEMATIQUES, 134(1), 12-36, 2010
  154. Integrability of maximal functions and Riesz potentials in Orlicz spaces of variable exponent, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 366(2), 391-417, 20100615
  155. COMPACT EMBEDDINGS FOR SOBOLEV SPACES OF VARIABLE EXPONENTS AND EXISTENCE OF SOLUTIONS FOR NONLINEAR ELLIPTIC PROBLEMS INVOLVING THE p(x)-LAPLACIAN AND ITS CRITICAL EXPONENT, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 35(1), 115-130, 2010
  156. SOBOLEV INEQUALITIES FOR ORLICZ SPACES OF TWO VARIABLE EXPONENTS, GLASGOW MATHEMATICAL JOURNAL, 52, 227-240, 201005
  157. Boundedness of fractional integral operators on Morrey spaces and Sobolev embeddings for generalized Riesz potentials, JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, 62(3), 707-744, 201007
  158. Sobolev's inequality for Riesz potentials of functions in Morrey spaces of integral form, MATHEMATISCHE NACHRICHTEN, 283(9), 1336-1352, 201009
  159. CONTINUITY PROPERTIES FOR RIESZ POTENTIALS OF FUNCTIONS IN MORREY SPACES OF VARIABLE EXPONENT, MATHEMATICAL INEQUALITIES & APPLICATIONS, 13(1), 99-122, 201001
  160. WEIGHTED ORLICZ-RIESZ CAPACITY OF BALLS, PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 138(12), 4291-4302, 201012
  161. Variable exponent spaces on metric measure spaces, More progresses in analysis (ISAAC-5, Catania, 2005, Begehr and Nicolosi (ed.)), 107-121, 2009
  162. Continuity properties of Riesz potentials of Orlicz functions, Tohoku Mathematical Journal, 61(2), 225-240, 20090601
  163. CONTINUITY PROPERTIES OF RIESZ POTENTIALS OF ORLICZ FUNCTIONS, TOHOKU MATHEMATICAL JOURNAL, 61(2), 225-240, 200906
  164. SOBOLEV'S INEQUALITY FOR RIESZ POTENTIALS OF FUNCTIONS IN NON-DOUBLING MORREY SPACES, OSAKA JOURNAL OF MATHEMATICS, 46(1), 255-271, 200903
  165. ★, MAXIMAL FUNCTIONS IN VARIABLE EXPONENT SPACES: LIMITING CASES OF THE EXPONENT, ANNALES ACADEMIAE SCIENTIARUM FENNICAE-MATHEMATICA, 34(2), 503-522, 2009
  166. Integrability of maximal functions in Orlicz spaces of variable exponent, 京都大学数理解析研究所講究録, 1669, 37-51, 2009
  167. Sobolev's inequality for Orlicz-Sobolev spaces of variable exponents, 京都大学数理解析研究所講究録, 1669, 91-102, 2009
  168. An elementary proof of Sobolev embeddings for Riesz potentials of functions in Morrey spaces $L^{1,\nu,\beta}(G)$, Hiroshima Math. J., 38(3), 425-436, 20081101
  169. Lindel\"of theorems for monotone Sobolev functions with variable exponent, Proc. Japan Acad. Ser. A Math. Sci., 84, 25-28, 20080201
  170. Sobolev embeddings for Riesz potentials of functions in Morrey spaces of variable exponent, JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, 60(2), 583-602, 200804
  171. Lindelof theorems for monotone Sobolev functions with variable exponent, PROCEEDINGS OF THE JAPAN ACADEMY SERIES A-MATHEMATICAL SCIENCES, 84(2), 25-28, 200802
  172. Integrability of maximal functions for generalized Lebesgue spaces with variable exponent, MATHEMATISCHE NACHRICHTEN, 281(3), 386-395, 2008
  173. Sobolev's inequalities and vanishing integrability for Riesz potentials of functions in the generalized Lebesgue space Lp(.)log L)q(.), JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 345(1), 70-85, 20080901
  174. Continuity properties and vanishing exponential integrability of Riesz potentials of Orlicz functions, 1553, 137-148, 2007
  175. Vanishing exponential integrability for Riesz potentials of functions in Orlicz classes, ILLINOIS JOURNAL OF MATHEMATICS, 51(4), 1039-1060, 2007
  176. ★, Sobolev embeddings for Riesz potential space of variable exponent on metric spaces, Ann. Acad. Sci. Fenn. Math., 31, 495-522, 20060601
  177. Sobolev embeddings for Riesz potential space of variable exponent, Math. Nachr., 279, 1463-1473, 20060401
  178. Sobolev embeddings for variable exponent Riesz potentials on metric spaces {\bf 31} (2006),, Ann. Acad. Sci. Fenn. Math., 31, 495-522, 20060401
  179. Sobolev embedding theorems for variable exponent Riesz potentials, 22, 21-30, 20060401
  180. Numerical computation of cross-coupled algebraic Riccati equations related to H(2)/H(infinity) control problem for singularly perturbed systems, INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL, 14(8), 697-717, 20040525
  181. Approach regions for modified Poisson integrals of boundary functions in Orlicz classes, Far East J. Math. Sci., 14, 137-153, 20040801
  182. Continuity of Sobolev functions of variable exponent on metric spaces, Proc.Japan Acad.Ser.A, 80(6), 96-99, 20040601
  183. Sobolev embeddings for Riesz potential space of variable exponent, 109-115, 20040801
  184. Minimally fine limits at infinity for p-precise functions, JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN, 56(1), 1-15, 200401
  185. Asymptotic Expansions of Solutions of Cross-coupled Algebraic Riccati Equations of Multimodeling Systems Related to Nash Games, Proceedings of the 3rd International DCDIS Conference on Engineering Applications and Computational Algorithms, 34-39, 20030501
  186. Growth properties for modified Poisson integrals in a half space, Pacific J. Math., 212, 333-346, 20031201
  187. ★, On semi-fine limits at infinity for Riesz potentials and monotone BLD functions, POTENTIAL ANALYSIS, 19(4), 365-381, 200312
  188. Growth properties for modified Poisson integrals in a half space, PACIFIC JOURNAL OF MATHEMATICS, 212(2), 333-346, 200312
  189. Asymptotic expansions and a new numerical algorithm of the algebraic Riccati equation for multiparameter singularly perturbed systems, JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 267(1), 209-234, 20020301
  190. Near-Optimal Control of Linear Multiparameter Singularly Perturbed Systems, IEEE Transactions on Automatic Control, 47(12), 2051-2057, 20021201
  191. Numerical Algorithm for Solving Cross-Coupled Algebraic Riccati Equations Related to Nash Games of Multimodeling Systems, Proceedings of the 41th IEEE Conference on Decision and Control (CDC), 4167-4172, 20021201
  192. Lindel\"{o}f type theorems for monotone Sobolev functions on half spaces, 1293, 18-26, 20021101
  193. Riesz decomposition and limits at infinity for $p$-precise on a half space, 1293, 98-109, 20021101
  194. Growth properties for modified Poisson integrals in a half space, Proceedings of the Workshop on Real and Complex Analysis= Hiroshima University, 110-123, 20021201
  195. Continuity and differentiability for weighted Sobolev spaces, PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 130(10), 2985-2994, 2002
  196. Growth properties of hyperplane integrals of Sobolev functions in a half space, Osaka J. Math., 38, 759-773, 20011201
  197. Minimally fine limits at infinity for $p$-precice functions, Proceedings of the Workshop on Real and Complex Analysis= Hiroshima University, 61-77, 20011001
  198. Growth properties of spherical means for monotone BLD functions in the unit ball, Ann. Acad. Sci. Fenn. Math., 25, 457-465, 20000401
  199. Monotone BLD functions and fine properties, Proceedings of the Workshop on Real and Complex Analysis= Hiroshima University, 50-66, 20000401
  200. Hyperplane integrals of BLD and monotone BLD functions, 1116, 51-68, 19990401
  201. Boundary limits of spherical means for BLD and monotone BLD functions in the unit ball, Ann. Acad. Sci. Fenn. Math., 24, 45-60, 19990401
  202. Exponential integrability for Riesz potentials of functions in Orlicz classes, Hiroshima Math. J., 28, 19980401
  203. Continuity properties and exponential integrability for Riesz potentials of functions in Orlicz classes, 1016, 94-111, 19970401
  204. H\"{o}lder continuity of Riesz potentials of functions in Orlicz classes, 161-172, 19960401
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Invited Lecture, Oral Presentation, Poster Presentation

  1. Boundary behavior of monotone Sobolev functions on John domains, 2017/10/07, With Invitation, Japanese
  2. Sobolev inequalities for Musielak-Orlicz spaces, 下村哲, Nonstandard growth phenomena 2017, 2017/08/31, Without Invitation, Japanese
  3. Sobolev inequalities for variable exponent Orlicz spaces, 2010/08/02, With Invitation, Japanese

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2021, 2025
  2. KAKENHI, 2015, 2017
  3. KAKENHI, 2012, 2014
  4. KAKENHI, Study on the problem posing activity in the mathematics education, 2009, 2011
  5. KAKENHI, Potential theoretic study of elliptic partial differential equations, 2009, 2011
  6. KAKENHI, Research on potential problems from various aspects, 2008, 2012
  7. KAKENHI, Potential theoretical research for nonlinear partial differential equations, 2008, 2011
  8. KAKENHI, Potential theoretic study of Sobolev functions, 2007, 2008
  9. KAKENHI, Study on the design of broadening mathematical thinking in the mathematics education, 2006, 2008
  10. KAKENHI, Analyses of function spaces of solutions of a parabolic equation and operators on these spaces, 2006, 2008
  11. KAKENHI, 2005, 2007
  12. KAKENHI, New development of geometric function theory focused on conformal invariants, 2005, 2008
  13. KAKENHI, 2004, 2005
  14. KAKENHI, Potential Analysis for Sobolev functions, 2002, 2005
  15. KAKENHI, Study of integral operators on function spaces., 2002, 2003
  16. KAKENHI, Potential the Oretic study on quasi-regular mappings, 1998, 1999
  17. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2018, 2020

Social Activities

Organizing Academic Conferences, etc.

  1. Nonstandard growth phenomena 2017, 2017/, 2017/
  2. 調和解析とポテンシャル論, 2015/, 2015/
  3. The 19th International Conference on Finite or Infinite Dimensional complex Analysis and Applications, 2011/
  4. International Workshop on Potential Theory in Hokkaido 2009, 2009/, 2009/
  5. FSDONA (Function Spaces, Differential Operators and Nonlinear Analysis)-Workshop, 2008/, 2008/
  6. 2007/, 2007/