論文
Generalized gyrovector spaces revisited
Toshikazu Abe and Osamu Hatori, arXiv:2403.15015
Non-linear characterization of Jordan ∗-isomorphisms via maps on positive cones of C*-algebras
Osamu Hatori and Shiho Oi, arXiv:2403.07341
Isometries between groups of invertible elements in Fourier-Stieltjes algebras
Osamu Hatori and Shiho Oi, arXiv:2312.11827
Osamu Hatori
RIMS Kokyuroku Bessatsu B93 29-82 2023年7月
The Mazur–Ulam property for uniform algebras
Osamu Hatori
Studia Mathematica 265(2) 227-239 2022年 筆頭著者最終著者責任著者
Osamu Hatori, Shiho Oi and Rumi ShidoTogashi,
Journal of Mathematical Analysis and Applications 503(2) 2021年1月 査読有り筆頭著者最終著者責任著者
A Gyrogeometric Mean in the Einstein Gyrogroup
Takuro Honma, Osamu Hatori
Symmetry 12(8) 1333-1333 2020年8月10日 査読有りNote on the proof of the existence of D(p) of a theorem of Jarosz
Osamu Hatori, Kyohei Tanabe
Nihonkai Mathematical Journal 30(1) 27-29 2019年6月 査読有り責任著者Hermitian operators and isometries on injective tensor products of uniform algebras and C*-algebras
Osamu Hatori, Kazuhiro Kawamura, Shiho Oi
Journal of Mathematical Analysis and Applications 472(1) 827-841 2019年4月 査読有り2-local isometries on function spaces
Osamu Hatori, Shiho Oi
Contemp. Math., Recent Trends in Operator Theory and Applications 737 89-106 2019年 査読有りHermitian operators and isometries on Banach algebras of continuous maps with values in a unital commutative C*-algebra
Osamu Hatori
Journal of Function Spaces 2018 2018年 査読有りIsometries on Banach algebras of vector-valued maps
Osamu Hatori, Shiho Oi
Acta Scientiarum Mathematicarum 84(1-2) 151-183 2018年 査読有りPeculiar homomorphisms between algebras of vector-valued maps
Osamu Hatori, Shiho Oi, Hiroyuki Takagi
Studia Mathematica 242(2) 141-163 2018年 査読有りCorrigendum to “Hermitian operators on Banach algebras of vector-valued Lipschitz maps” [J. Math. Anal. Appl. 452 (2017) 378–387] (S0022247X17302482) (10.1016/j.jmaa.2017.03.015)
Osamu Hatori, Shiho Oi
Journal of Mathematical Analysis and Applications 453(2) 1151-1152 2017年9月15日 査読有りHermitian operators on Banach algebras of vector-valued Lipschitz maps
Osamu Hatori, Shiho Oi
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 452(1) 378-387 2017年8月 査読有りCOMMUTING PAIRS OF SELF-ADJOINT ELEMENTS IN C*-ALGEBRAS
Osamu Hatori
MATHEMATICA SLOVACA 67(1) 209-212 2017年3月 査読有りExamples and Applications of Generalized Gyrovector Spaces
Osamu Hatori
RESULTS IN MATHEMATICS 71(1-2) 295-317 2017年2月 査読有りPeculiar homomorphisms on algebras of vector-valued continuously dif- ferentiable maps,
Osamu Hatori, Shiho Oi, Hiroyuki Takagi
Linear and Nonlinear Analysis 3 101-109 2017年 査読有りExtension of isometries in generalized gyrovector spaces of the positive cones
Osamu Hatori
Contemporary Mathematics 687 145-156 2017年 査読有りSpectral conditions for Jordan *-isomorphisms on operator algebras
Osamu Hatori, Lajos Molnar
STUDIA MATHEMATICA 236(2) 101-126 2017年 査読有りOn a characterization of commutativity for C∗-algebras via gyrogroup operations
Toshikazu Abe, Osamu Hatori
Periodica Mathematica Hungarica 72(2) 248-251 2016年6月 査読有りGeneralized isometries of the special unitary group
Osamu Hatori, Lajos Molnar
ARCHIV DER MATHEMATIK 106(2) 155-163 2016年2月 査読有りMaps on the sphere of the algebras of matrices
Osamu Hatori
Nihonkai Mathematical Journal 26(2) 121-125 2015年12月 査読有りCommuting pairs of normal operators
Osamu Hatori
Nihonkai Mathematical Journal 26(2) 85-90 2015年 査読有りGeneralized gyrovector spaces and a Mazur-Ulam theorem
Toshikazu Abe, Osamu Hatori
PUBLICATIONES MATHEMATICAE-DEBRECEN 87(3-4) 393-413 2015年 査読有りIsometries on the special unitary group
Osamu Hatori
FUNCTION SPACES IN ANALYSIS 645 119-134 2015年 査読有りMaps which preserve norms of non-symmetrical quotients between groups of exponentials of Lipschitz functions
Osamu Hatori, A. Jimenez-Vargas, Moises Villegas-Vallecillos
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 415(2) 825-845 2014年7月 査読有りIsometries of the unitary groups in C∗-algebras
Osamu Hatori
Studia Mathematica 221(1) 61-86 2014年 査読有りIsometries of the unitary groups and Thompson isometries of the spaces of invertible positive elements in C∗-algebras
Osamu Hatori, Lajos Molnar
Journal of Mathematical Analysis and Applications 409(1) 158-167 2014年1月 査読有りReal linear isometries between function algebras. II
Osamu Hatori, Takeshi Miura
CENTRAL EUROPEAN JOURNAL OF MATHEMATICS 11(10) 1838-1842 2013年10月 査読有りIsometries of the special orthogonal group
Toshikazu Abe, Shigeki Akiyama, Osamu Hatori
LINEAR ALGEBRA AND ITS APPLICATIONS 439(1) 174-188 2013年7月 査読有りIsometries and Maps Compatible with Inverted Jordan Triple Products on Groups
Osamu Hatori, Go Hirasawa, Takeshi Miura, Lajos Molnar
TOKYO JOURNAL OF MATHEMATICS 35(2) 385-410 2012年12月 査読有りNew criteria for equivalence of locally compact abelian groups
Osamu Hatori
JOURNAL OF GROUP THEORY 15(2) 271-277 2012年3月 査読有りIsometries between groups of invertible elements in C∗ -algebras(共著)
Osamu Hatori, Keiichi Watanabe
Studia Mathematica 209(2) 103-106 2012年 査読有りNew criteria for equivalence of locally compact abelian groups
Osamu Hatori
Journal of Group Theory 15(2) 271-277 2012年1月 査読有りIsometries of the unitary group(共著)
Osamu Hatori, Lajos Molnar
Proceedings of the American Mathematical Society 140(6) 2127-2140 2012年 査読有りReflections and a generalization of the Mazur-Ulam theorem(共著)
Osamu Hatori, Kiyotaka Kobayashi, Takeshi Miura, Sin-Ei Takahasi
The Rocky Mountain Journal of Mathematics 42(1) 117-150 2012年 査読有りMultiplicative isometries on F -algebras of holomorphic functions(共著)
Osamu Hatori, Yasuo Iida, Stevo Stevic, Sei-Ichiro Ueki
Abstract and Applied Analysis 2012 2012年 査読有りMultiplicative isometries on the Smirnov class(共著)
Osamu Hatori, Yasuo Iida
Central European Journal of Mathematics 9(5) 1051-1056 2011年10月 査読有りAlgebraic properties of isometries between groups of invertible elements in Banach algebras
Osamu Hatori
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 376(1) 84-93 2011年4月 査読有りSpectral preservers in commutative Banach algebras. Function spaces in modern analysis(共著)
Osamu Hatori, Scott Lambert, Aaron Luttman, Takeshi Miura, Thomas Tonev, Rebekah Yates
Contemporary Mathematics 547 103-+ 2011年 査読有りGeneralizations of spectrally multiplicative surjections between uniform algebras(共著)
Osamu Hatori, Takeshi Miura, Rumi Shindo, Hiroyuki Takagi
Rendi. Circ. Mat. Palermo (2) 59(2) 161-183 2010年8月 査読有りAdditively spectral-radius preserving surjections between unital semisimple commutative Banach algebras(共著)
Osamu Hatori, Go Hirasawa, Takeshi Miura
Cent. Eur. J. Math. 8(3) 597-601 2010年6月A Stone-Weierstrass theorem for Banach function spaces satisfying a certain separation property(共著)
Eggert Briem, Osamu Hatori, Stuart J. Sidney
J. Math. Anal. Appl 353(2) 607-613 2009年5月 査読有りPeripherally monomial-preserving maps between uniform algebras(共著)
Osamu Hatori, Kazumi Hino, Takeshi Miura, Hirokazu Oka
Mediterr. J. Math. 6(1) 47-59 2009年3月 査読有りLINEAR ISOMETRIES OF FINITE CODIMENSIONS ON BANACH ALGEBRAS OF HOLOMORPHIC FUNCTIONS
Osamu Hatori, Kazuhiro Kasuga
BANACH JOURNAL OF MATHEMATICAL ANALYSIS 3(2) 109-124 2009年 査読有りIsometries between groups of invertible elements in Banach algebras
Osamu Hatori
STUDIA MATHEMATICA 194(3) 293-304 2009年 査読有りPeripheral multiplicativity of maps on uniformly closed algebras of continuous functions which vanish at infinity(共著)
Osamu Hatori, Takeshi Miura, Hirokazu Oka, Hiroyuki Takagi
Tokyo Journal of Mathematics 32(1) 91-104 2009年 査読有りUnital and multiplicatively spectrum-preserving surjections between semi-simple commutative Banach algebras are linear and multiplicative(共著)
Osamu Hatori, Takeshi Miura, Hiroyuki Takagi
Journal of Mathematical Analysis and Applications 326(1) 281-296 2007年2月 査読有り2-local isometries and 2-local automorphisms on uniform algebras(共著)
Osamu Hatori, Takeshi Miura, Hirokazu Oka, Hiroyuki Takagi
Int. Math. Forum 2 49-52 2007年1月 査読有りAn example of multiplicatively spectrum-preserving maps between non-isomorphic semi-simple commutative Banach algebras(共著)
Osamu, Hatori, Takeshi Miura, Hirokazu Oka
Nihonkai Math. J. 18 11-15 2007年1月Characterizations of isometric isomorphisms between uniform algebras via nonlinear range-preserving properties(共著)
Osamu Hatori, Takeshi Miura, Hiroyuki Takagi
Proceedings of the American Mathematical Society 134(10) 2923-2930 2006年 査読有りOn the best constant of Hyers-Ulam stability
Osamu Hatori, Kiyotaka Kobayashi, Takeshi Miura, Hiroyuki Takagi, Sin-Ei Takahasi
Journal of Nonlinear and Convex Analysis. An International Journal 5(3) 387-393 2004年12月 査読有りA note on commutative Gelfand theory for real Banach algebras(共著)
Sin-Ei Takahasi, Takeshi Miura, Osamu Hatori
Mathematical Journal of Okayama University 46 121-129 2004年12月 査読有りCharacterizations and automatic linearity for ring homomorphisms on algebras of functions(共著)
Osamu Hatori, Takkashi Ishii, Takeshi Miura, Sin-Ei Takahasi
Contemporary Mathematics 328 201-215 2003年12月 査読有りA note on a class of Banach algebra-valued polynomials(共著)
Sin-Ei Takahasi, Osamu Hatori, Keiichi Watanabe, Takeshi Miura
International Journal of Mathematics and Mathematical Sciences 32(3) 189-192 2002年 査読有りDecompositions of measures on compact abelian groups(共著)
Osamu Hatori, Enji Sato
Tokyo Journal of Mathematics 24(1) 13-18 2001年 査読有りOn a characterization of the maximal ideal spaces of commutative C*-algebras in which every elemet is the square of another(共著)
Osamu Hatori, Takeshi Miura
Proc. Amer. Math. Soc. 128(4) 1185-1189 2000年 査読有りA structure of ring homomorphisms on commutative Banach algebras(共著)
Sin-Ei Takahasi, Osamu Hatori
Proceedings of the American Mathematical Society 127(8) 2283-2288 1999年8月 査読有りSubalgebras of commutative Banach algebras and Fourier multipliers with natural spectra
Osamu Hatori
Contemporary Mathematics 232 171-187 1999年1月 査読有りMeasures with natural spectra on locally compact abelian groups
O Hatori
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 126(8) 2351-2353 1998年8月 査読有りNon-Lipschitz functions which operate on function spaces
Osamu Hatori
Scientiae Mathematicae 1(1) 7-14 1998年1月 査読有りOn the greatest regular closed subalgebras and the apostol algebras of Lp-multipliers whose fourier transforms are continuous and vanish at infinity
Osamu Hatori
Tokyo Journal of Mathematics 20(2) 453-462 1997年Commutative Banach algebras and BSE-norm
Sin-Ei Takahasi, Yasuji Takahashi, Osamu Hatori, Kotaro Tanahashi
Mathematica Japonica 46(2) 273-277 1997年1月 査読有りApostol algebras and decomposition in Douglas algebras(共著)
Osamu Hatori, Keiji Izuchi
Michigan Mathematical Journal 44(3) 435-449 1997年 査読有りFunctions which operate on algebras of fourier multipliers
Osamu Hatori
Tohoku Mathematical Journal 47(1) 105-115 1995年 査読有りA characterization of lacunary sets and spectral properties of Fourier multipliers
O HATORI
FUNCTION SPACES, SECOND CONFERENCE 172 183-203 1995年 査読有りFredholm composition operators on spaces of holomorphic functions
Osamu Hatori
Integral Equations and Operator Theory 18(2) 202-210 1994年1月 査読有りDoes a non-lipschitz function operate on a non trivial Banach function algebra?
Osamu Hatori
Tohoku Mathematical Journal 46(2) 253-260 1994年 査読有りSeparation properties and operating functions on a space of continuous functions
Osamu Hatori
International Journal of Mathematics 4(4) 551-600 1993年1月 査読有りSymbolic calculus on a Banach algebra of continuous functions
Osamu Hatori
Journal of Functional Analysis 115(2) 247-280 1993年1月 査読有りA discontinuous function does not operate on the real part of a real function algebra
Osamu Hatori
Rendiconti del Circolo Matematico di Palermo. Serie II. Supplemento 33 331-335 1993年1月 査読有りRing derivations on semi-simple commutative Banach algebras(共著)
Osamu Hatori, Junzo Wada
Tokyo Journal of Mathematics 15(1) 223-229 1992年 査読有りRange transformations on a banach function algebra. IV
Osamu Hatori
Proceedings of the American Mathematical Society 116(1) 149-156 1992年 査読有りON THE LOCAL BEHAVIOR OF A BANACH-SPACE OF CONTINUOUS-FUNCTIONS AND ITS APPLICATION TO THE PROBLEM ON THE RANGE TRANSFORMATIONS
O HATORI
FUNCTION SPACES 136 169-187 1992年Commutative Banach algebras and BSE-inequalities(共著)
Sin-Ei Takahasi, Osamu Hatori
Mathematica Japonica 37(4) 607-614 1992年1月 査読有りCommutative banach algebras which satisfy a bochner-schoenberg-eberlein-type theorem
Sin-Ei Takahasi, Osamu Hatori
Proceedings of the American Mathematical Society 110(1) 149-158 1990年 査読有りRange transformations on a banach function algebra. II
Osamu Hatori
Pacific Journal of Mathematics 138(1) 89-118 1989年 査読有りFUNCTIONAL-CALCULUS FOR CERTAIN BANACH FUNCTION ALGEBRAS
O HATORI
JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN 38(1) 103-112 1986年1月 査読有りRange transformations on a banach function algebra
Osamu Hatori
Transactions of the American Mathematical Society 297(2) 629-643 1986年 査読有りREMARKS ON A CLOSED SUBALGEBRA OF A BANACH FUNCTION ALGEBRA
O HATORI
PROCEEDINGS OF THE JAPAN ACADEMY SERIES A-MATHEMATICAL SCIENCES 61(6) 182-185 1985年 査読有りA remark on a theorem of B. T. Batikyan and E. A. Gorin
Osamu Hatori
Tokyo Journal of Mathematics 7(1) 157-160 1984年 査読有りFunctions which operate by composition on the real part of a banach function algebra
Osamu Hatori
Tokyo Journal of Mathematics 6(2) 423-429 1983年FUNCTIONS WHICH OPERATE ON THE REAL PART OF A FUNCTION ALGEBRA
Osamu HATORI
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 83(3) 565-568 1981年