VOL. 72 · NO. 3 | July, 2020
 
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Front Matter
J. Math. Soc. Japan 72 (3), (July, 2020) Open Access
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Articles
Shin-ichiro SEKI, Shuji YAMAMOTO
J. Math. Soc. Japan 72 (3), 673-686, (July, 2020) DOI: 10.2969/jmsj/81028102 Open Access
KEYWORDS: multiple harmonic sums, Ohno-type identities, finite multiple zeta values, sum formulas, 11M32, 11B65
André MARTINEZ, Vania SORDONI
J. Math. Soc. Japan 72 (3), 687-730, (July, 2020) DOI: 10.2969/jmsj/81538153 Open Access
KEYWORDS: resonances, Born–Oppenheimer approximation, eigenvalue crossing, microlocal analysis, 35P15, 35C20, 35S99, 47A75
Osamu IYAMA, Xiaojin ZHANG
J. Math. Soc. Japan 72 (3), 731-764, (July, 2020) DOI: 10.2969/jmsj/75117511 Open Access
KEYWORDS: Auslander algebra, tilting module, $\tau$-tilting module, Symmetric group, preprojective algebra, 16G10, 16E10
Grigory SOLOMADIN
J. Math. Soc. Japan 72 (3), 765-776, (July, 2020) DOI: 10.2969/jmsj/81628162 Open Access
KEYWORDS: complex cobordism, vector bundle, clutching functions, Milnor hypersurface, quasitoric manifolds, 57R77, 55R10
Anton AYZENBERG
J. Math. Soc. Japan 72 (3), 777-794, (July, 2020) DOI: 10.2969/jmsj/81688168 Open Access
KEYWORDS: volume polynomial, multi-fan, multi-polytope, invariants of 3-dimensional pseudomanifolds, vector coloring, Poincare duality algebra, Macaulay duality, bistellar moves, 05E45, 05E40, 28A75, 57M25, 52B70, 13H10, 13D40, 52C35, 57N65, 13A02
Wei CHEN, Chunxiang ZHU, Yahui ZUO, Yong JIAO
J. Math. Soc. Japan 72 (3), 795-817, (July, 2020) DOI: 10.2969/jmsj/80058005 Open Access
KEYWORDS: martingale, positive operator, Doob maximal operator, weighted inequality, 60G46, 60G42
Hisao KATO, Masahiro MATSUMOTO
J. Math. Soc. Japan 72 (3), 819-845, (July, 2020) DOI: 10.2969/jmsj/82128212 Open Access
KEYWORDS: dynamical systems, zero-dimensional covers (extensions) of dynamical systems, finite-to-one map, dimension, periodic point, general position, positively expansive map, 37B10, 37B45, 37C45, 54H20‎, 54F45
Ruizhi HUANG, Jie WU
J. Math. Soc. Japan 72 (3), 847-889, (July, 2020) DOI: 10.2969/jmsj/81678167 Open Access
KEYWORDS: double loop suspensions, homotopy exponents, Barratt–Cohen conjecture, Milgram's model, preoperad, permutohedra, evaluation maps, bi-$\Delta$-groups, Cohen groups, shuffle relations, 55P35, 55P40, 55P48, 55Q05, 55U10, 05E15
Delphine MOUSSARD, Emmanuel WAGNER
J. Math. Soc. Japan 72 (3), 891-907, (July, 2020) DOI: 10.2969/jmsj/82218221 Open Access
KEYWORDS: knotted sphere, 2-knot, ribbon knot, Alexander polynomial, Fox–Milnor theorem, 57M99, 57Q45
Eiichi BANNAI, Gabriel NAVARRO, Noelia RIZO, Pham Huu TIEP
J. Math. Soc. Japan 72 (3), 909-921, (July, 2020) DOI: 10.2969/jmsj/82228222 Open Access
KEYWORDS: unitary $t$-designs, unitary $t$-groups, 05B30, 20C15, 81P45
Haruko A. MIYAZAWA, Kodai WADA, Akira YASUHARA
J. Math. Soc. Japan 72 (3), 923-944, (July, 2020) DOI: 10.2969/jmsj/82248224 Open Access
KEYWORDS: welded knot, welded link, virtualization, unknotting operation, arrow calculus, Alexander polynomial, associated core group, multiplexing of crossings, 57M25, 57M27
Raimundo N. ARAÚJO DOS SANTOS, Maico F. RIBEIRO, Mihai TIBĂR
J. Math. Soc. Japan 72 (3), 945-957, (July, 2020) DOI: 10.2969/jmsj/82278227 Open Access
KEYWORDS: singularities of real analytic maps, Milnor fibrations, mixed functions, 32S55, 14D06, 58K05, 57R45, 14P10, 58K15, 32S60
Taro SOGABE
J. Math. Soc. Japan 72 (3), 959-989, (July, 2020) DOI: 10.2969/jmsj/82338233 Open Access
KEYWORDS: Cuntz algebra, automorphism group, homotopy group, ‎K-theory, 46L80
Mitsuhiro MIYAZAKI
J. Math. Soc. Japan 72 (3), 991-1023, (July, 2020) DOI: 10.2969/jmsj/81418141 Open Access
KEYWORDS: Frobenius complexity, Hibi ring, analytic spread, Fiber cone, Ehrhart ring, 13A35, 13A30, 13F50, 06A07
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