VOL. 40 · NO. 3 | October 2011
 
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Articles
Takahiro NODA
Hokkaido Math. J. 40 (3), 313-335, (October 2011) DOI: 10.14492/hokmj/1319595858
KEYWORDS: second order partial differential equations, equivalence problem, scale transformations, G-structure, 58A15, 58A17
Muneo CHŌ, Slavisa DJORDJEVIĆ, Bhaggy DUGGAL
Hokkaido Math. J. 40 (3), 337-356, (October 2011) DOI: 10.14492/hokmj/1319595859
KEYWORDS: Hilbert space, elementary operator, polaroid operator, SVEP, property (b), Browder's theorem, Weyl's theorem, perturbation, 47B47, 47B10, 47A10, 47B40
Shigetaka FUKUDA
Hokkaido Math. J. 40 (3), 357-360, (October 2011) DOI: 10.14492/hokmj/1319595860
KEYWORDS: log canonical divisor, semi-ample, 14E30
Takashi NISHIMURA, Yu SAKEMI
Hokkaido Math. J. 40 (3), 361-373, (October 2011) DOI: 10.14492/hokmj/1319595861
KEYWORDS: perspective projection, perspective point, projective dual, dual hypersurface, hedgehog, 57R40, 57R42, 58K30, 68T45
Atsushi WAKAMIKO
Hokkaido Math. J. 40 (3), 375-392, (October 2011) DOI: 10.14492/hokmj/1319595862
KEYWORDS: Coxeter arrangement, Coxeter group, multi-arrangement, primitive derivation, multi-derivation module, logarithmic differential form, 32S22
Jun-Ichi FUJII, Masatoshi FUJII, Mohammad Sal MOSLEHIAN, Josip E. PEČARIĆ, Yuki SEO
Hokkaido Math. J. 40 (3), 393-409, (October 2011) DOI: 10.14492/hokmj/1319595863
KEYWORDS: C*-algebra, reverse Cauchy-Schwarz inequality, pre-inner product C*-module, Cassels' inequality, operator geometric mean, ‎operator inequality, 46L08, 26D15, 46L05, 47A30, 47A63
Jun-ichi INOGUCHI, Hiroo NAITOH
Hokkaido Math. J. 40 (3), 411-429, (October 2011) DOI: 10.14492/hokmj/1319595864
KEYWORDS: Grassmann geometry, unimodular Lie group, special linear group, totally geodesic surface, flat surface, minimal surface, surface with constant mean curvature, 53B25, 53C40, 53C30
Koichi INOUE
Hokkaido Math. J. 40 (3), 431-447, (October 2011) DOI: 10.14492/hokmj/1319595865
KEYWORDS: Steiner 4-wise balanced design, affine space, orthogonal group, exterior algebra, alternating forms, Quadratic forms, 20B25, 05B25
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