VOL. 43 · NO. 2 | December 2019
 
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Front Matter
Tsukuba J. Math. 43 (2), (December 2019)
No abstract available
Articles
Nobutaka Boumuki, Tomonori Noda
Tsukuba J. Math. 43 (2), 113-143, (December 2019) DOI: 10.21099/tkbjm/1585706449
KEYWORDS: paracomplex manifold, cohomology group, semisimple Lie group, hyperbolic adjoint orbit, real flag manifold, 53C30, 14F40
Michio Ozeki
Tsukuba J. Math. 43 (2), 145-189, (December 2019) DOI: 10.21099/tkbjm/1585706450
KEYWORDS: even unimodular lattice, nearly extremal, Theta series with spherical functions, Siegel theta series, 11E12, 11F11, 11F46
Manish Kumar Pandey, B. Ramakrishnan, Anup Kumar Singh
Tsukuba J. Math. 43 (2), 191-210, (December 2019) DOI: 10.21099/tkbjm/1585706451
KEYWORDS: Shimura and Shintani correspondences, modular forms, Atkin-Lehner $W$-operators, 11F37, 11F67, 11F11
Andrei Marcus, Shengyong Pan
Tsukuba J. Math. 43 (2), 211-222, (December 2019) DOI: 10.21099/tkbjm/1585706452
KEYWORDS: self-injective algebra, graded derived equivalence, strongly graded algebra, 18E30, 16G10, 16S10, 18G15
Takayuki Kobayashi, Masashi Misawa, Kenji Nakamura
Tsukuba J. Math. 43 (2), 223-239, (December 2019) DOI: 10.21099/tkbjm/1585706453
KEYWORDS: 2D Navier-Stokes equation, 2D hyperbolic Navier-Stokes equation, $L^2$-boundedness, Hardy space, 35B35, 35Q30, 35L15
Tomoaki Abuku, Masanori Fukui, Ko Sakai, Koki Suetsugu
Tsukuba J. Math. 43 (2), 241-249, (December 2019) DOI: 10.21099/tkbjm/1585706454
KEYWORDS: Combinatorial game, impartial game, Nim, Nimhoff, subtraction game, 05A99, 05E99
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