Proceedings of the Japan Academy

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Volume 52, Issue 4

Displaying 1-13 of 13 articles from this issue

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A Clue to the Polar Wandering

Naoto KAWAI, Hideo SAKAI

1976 Volume 52 Issue 4 Pages 157-160
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.2183/pjab1945.52.157

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On a Conjecture of Regge and Sato on Feynman Integrals

Masaki KASHIWARA, Takahiro KAWAI

1976 Volume 52 Issue 4 Pages 161-164
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518341

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On Quadratic Differentials with Closed Trajectories and their Applications

Masahiko TANIGUCHI

1976 Volume 52 Issue 4 Pages 165-166
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518342

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On the Cauchy Problem for Weakly Hyperbolic Systems

Hideo YAMAHARA

1976 Volume 52 Issue 4 Pages 167-170
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518343

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An Alternate Proof of a Transfer Theorem without using Transfer

Tomoyuki YOSHIDA

1976 Volume 52 Issue 4 Pages 171-173
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518344

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On Symmetric Structure of a Group

Noriaki UMAYA

1976 Volume 52 Issue 4 Pages 174-176
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518345

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Some Results on Additive Number Theory. I

Minoru TANAKA

1976 Volume 52 Issue 4 Pages 177-179
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518346

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On an Explicit Formula for Class-1 “Whittaker Functions” on GL_n over _??_-adic Fields

Takuro SHINTANI

1976 Volume 52 Issue 4 Pages 180-182
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.3792/pja/1195518347

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Effective Temperature Scale of Red Giant Stars

Takashi TSUJI

1976 Volume 52 Issue 4 Pages 183-186
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.2183/pjab1945.52.183

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Distribution of Cambrian Trilobites in the Peri-Gondwana Seas

Teiichi KOBAYASHI

1976 Volume 52 Issue 4 Pages 187-190
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.2183/pjab1945.52.187

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Colonization of Drosophila simulans in Japan

Takao K. WATANABE, Masaoki KAWANISHI

1976 Volume 52 Issue 4 Pages 191-194
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.2183/pjab1945.52.191

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Thioacetamide-Induced Changes in Diploid Cultures of Human Liver

Tohru OKIGAKI

1976 Volume 52 Issue 4 Pages 195-198
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.2183/pjab1945.52.195

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Human diploid cell cultures from adult male liver were treated with thioacetamide. The control cultures died at around 23 subculture passages. The treated series grew more than double the length of the normal lifespan with noticeably different growth patterns and cells changed into a tetraploid range. The treated cells showed cell aggregates in a rotation culture. No tumorigenicity was found.

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Cytogenetic Evidence for and Frequency of Adjacent-2 Disjunction in Murine T (1;13) 70H Male Heterozygotes

Mitsuo OSHIMURA, Shin-ichi SONTA, Avery A. SANDBERG

1976 Volume 52 Issue 4 Pages 199-202
Published: 1976
Released on J-STAGE: October 03, 2006

DOIhttps://doi.org/10.2183/pjab1945.52.199

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A C-banding technique applied to the second meiotic spermatocyte metaphases affords an estimate of the frequency of adjacent-2 and 3: 1 disjunctions at the first meiotic division in male T (1;13) 70H heterozygotes. The frequency of adjacent-2 disjunction is about 30% and that of 3:1 disjunction 4%.

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