VOL. 41 · NO. 2 | December 2017
 
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Front Matter
Tsukuba J. Math. 41 (2), (December 2017) Open Access
No abstract available
Articles
Soichi Ikeda, Isao Kiuchi, Kaneaki Matsuoka
Tsukuba J. Math. 41 (2), 169-187, (December 2017) DOI: 10.21099/tkbjm/1521597621
KEYWORDS: double zeta-functions, mean square formula, Riemann zeta-function, 11M41, 11M06
Hirotaka Kikyo, Masanori Sawa
Tsukuba J. Math. 41 (2), 189-213, (December 2017) DOI: 10.21099/tkbjm/1521597622
KEYWORDS: Hrushovski's construction, infinite design, $[k − 1,k]$-factor, Köhler theory, orbit-decomposition, Projective plane, quadruple system, 05B05, 05C63, 05E18, 05C70
Naotaka Shoji
Tsukuba J. Math. 41 (2), 215-233, (December 2017) DOI: 10.21099/tkbjm/1521597623
KEYWORDS: interior transmission eigenvalue, non-scattering energy, non-scattering wave number, $T$-coercivity, eigenvalue free-region, scattering theory, conductive boundary condition, 81U40, 47A40
Yoshimi Kitamura, Yoshio Tanaka
Tsukuba J. Math. 41 (2), 235-249, (December 2017) DOI: 10.21099/tkbjm/1521597624
KEYWORDS: partially ordered ring, direct product ring, product extension ring, semi-cone, cone, finitely generated semi-cone, 06A06, 06F25
Mamoru Nunokawa, Janusz Sokół
Tsukuba J. Math. 41 (2), 251-263, (December 2017) DOI: 10.21099/tkbjm/1521597625
KEYWORDS: univalent functions, starlike, convex, starlike of order aplha, 30C45, 30C80
Peter Mrozik
Tsukuba J. Math. 41 (2), 265-296, (December 2017) DOI: 10.21099/tkbjm/1521597626
KEYWORDS: pro-category, Localization, derived limit, 18A30, 18E25
Lung-Hui Chen
Tsukuba J. Math. 41 (2), 297-312, (December 2017) DOI: 10.21099/tkbjm/1521597627
KEYWORDS: inverse scattering theory, inverse problem, Sturm-Liouville theory, exterior transmission problem, Cartwright-Levinson theory, spectral flaw of ODE, 35P10, 35P25, 35Q60, 35R30, 34B24
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