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On the John constant

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References

  1. Becker, J.: Löwnersche Differentialgleichung und quasikonform fortsetzbare schlichte Funktionen. J. Reine Angew. Math.255, 23–43 (1972)

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  2. John, F.: A criterion for univalency brought up to date. Comm. Pure Appl. Math.29, 293–295 (1976)

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  3. Royster, W.C.: On the univalence of a certain integral. Michigan Math. J.12, 385–387 (1965)

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Authors and Affiliations

  1. Department of Mathematics, Tokyo Metropolitan University, Fukazawa, Setagaya-ku, 158, Tokyo, Japan

    Shinji Yamashita

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  1. Shinji Yamashita
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I wish to express my cordial thanks to Professor Douglas M. Campbell for drawing my attention to the present subject, and to Professor Ken Nakamula who helped me in the calculation of my first estimate γ≦53.55...

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Yamashita, S. On the John constant. Math Z 161, 185–188 (1978). https://doi.org/10.1007/BF01214930

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  • DOI: https://doi.org/10.1007/BF01214930

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