VOL. 73 · NO. 1 | January, 2021
 
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Front Matter
J. Math. Soc. Japan 73 (1), (January, 2021)
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Articles
Joe KAMIMOTO
J. Math. Soc. Japan 73 (1), 1-39, (January, 2021) DOI: 10.2969/jmsj/80868086
KEYWORDS: singular type, regular type, finite type, order of contact, Newton polyhedra, nondegeneracy condition, 32F18
Marco BONATTO, David STANOVSKÝ
J. Math. Soc. Japan 73 (1), 41-75, (January, 2021) DOI: 10.2969/jmsj/83168316
KEYWORDS: quandles and racks, solvability, nilpotence, commutator theory, left distributive quasigroups, 57M27, 08A30, 20N02, 20N05
Michael REITER, Duong Ngoc SON
J. Math. Soc. Japan 73 (1), 77-98, (January, 2021) DOI: 10.2969/jmsj/82598259
KEYWORDS: Chern–Moser–Weyl tensor, pseudohermitian invariant, 32V40, 53B25
Toshio MIKAMI
J. Math. Soc. Japan 73 (1), 99-123, (January, 2021) DOI: 10.2969/jmsj/81928192
KEYWORDS: Schrödinger's functional equation, regularity, moment measure, stochastic optimal transportation, 60G30, 93E20
Hiro-aki NARITA
J. Math. Soc. Japan 73 (1), 125-159, (January, 2021) DOI: 10.2969/jmsj/81168116
KEYWORDS: Bessel periods, central $L$-values, Jacquet–Langlands correspondence, theta lifts, 11F67, 11F27, 11F30, 11F55
Zifei SHEN, Bin SHANG, Chenyin QIAN
J. Math. Soc. Japan 73 (1), 161-183, (January, 2021) DOI: 10.2969/jmsj/83258325
KEYWORDS: $p(x)$-Laplacian, Kirchhoff type problem, least energy sign-changing solution, 35J20, 35J50, 35J60
Tomoyuki ARAKAWA, Hiromichi YAMADA, Hiroshi YAMAUCHI
J. Math. Soc. Japan 73 (1), 185-209, (January, 2021) DOI: 10.2969/jmsj/83278327
KEYWORDS: vertex operator algebra, parafermion algebra, simple current, code, 17B69, 17B67
Michał FARNIK, Zbigniew JELONEK, Maria Aparecida Soares RUAS
J. Math. Soc. Japan 73 (1), 211-220, (January, 2021) DOI: 10.2969/jmsj/83208320
KEYWORDS: finite $\mathcal{A}$-determinacy, homogeneous map germs, generic map germs, 14R99, 32A10‎
Matthew WESTAWAY
J. Math. Soc. Japan 73 (1), 221-261, (January, 2021) DOI: 10.2969/jmsj/81188118
KEYWORDS: Frobenius kernel, distribution algebra, universal enveloping algebra, representation, 17B10, 17B35, 17B50
Yuhei SUZUKI
J. Math. Soc. Japan 73 (1), 263-275, (January, 2021) DOI: 10.2969/jmsj/83368336
KEYWORDS: ‎approximation property‎‎, exactness, Locally compact groups, 22D25, 46L05, 46L55
Beata OSIŃSKA-ULRYCH, Grzegorz SKALSKI, Stanisław SPODZIEJA
J. Math. Soc. Japan 73 (1), 277-299, (January, 2021) DOI: 10.2969/jmsj/83378337
KEYWORDS: semialgebraic function, Nash function, Łojasiewicz gradient inequality, Łojasiewicz exponent, 14R99, 14P05, 32S70
Shigeyuki KONDŌ
J. Math. Soc. Japan 73 (1), 301-328, (January, 2021) DOI: 10.2969/jmsj/81778177
KEYWORDS: Enriques surface, $K3$ surface, 14J28
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