VOL. 31 · NO. 1 | 2020
 
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Front Matter
Nihonkai Math. J. 31 (1), (2020)
No abstract available
Nihonkai Math. J. 31 (1), (2020)
No abstract available
Nihonkai Math. J. 31 (1), (2020)
No abstract available
Articles
Michio Seto
Nihonkai Math. J. 31 (1), 1-5, (2020)
KEYWORDS: kernel function, post-composition, finite Blaschke product, critical point, 46E22, 30J10, ‎30H05
Shigeru Watanabe
Nihonkai Math. J. 31 (1), 7-14, (2020)
KEYWORDS: disk polynomial, generating function, Differential equation, 42C05, 33D50
Silvestru Sever Dragomir
Nihonkai Math. J. 31 (1), 15-26, (2020)
KEYWORDS: positive linear maps, ‎selfadjoint operators, operator geometric mean, Young's inequality, Ando's inequality, 47A63, 47A99
Takashi Oguro
Nihonkai Math. J. 31 (1), 27-34, (2020)
KEYWORDS: Almost Hermitian manifold, almost Kähler Manifold, weakly $*$-Einstein Manifold, 53C15, 53C55
Mitio Takano
Nihonkai Math. J. 31 (1), 35-44, (2020)
KEYWORDS: subformula property, modal logic KC4, sequent calculus, 03B45, 03F05
Hiromi Ei, Hiroko Hayashi, Kazushi Komatsu
Nihonkai Math. J. 31 (1), 45-58, (2020)
KEYWORDS: regular pentagon, paper folding, folding deformation, 52C25, 05B99
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