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Approximate convexity and concavity of generalized Grötzsch ring function

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Abstract

In this paper, the so-called approximate convexity and concavity properties of generalized Grötzsch ring function µ α (r) by studying the monotonicity, convexity or concavity of certain composites of µ α (r) are obtained.

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Authors and Affiliations

  1. College of Science, Huzhou University, 313000, Huzhou, China

    Wang Gendi, Zhang Xiaohui & Chu Yuming

  2. College of Science, Zhejiang Sci-Tech University, 310018, Hangzhou, China

    Qiu Songliang

Authors
  1. Wang Gendi
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  2. Qiu Songliang
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  3. Zhang Xiaohui
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  4. Chu Yuming
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Additional information

Partly supported by the National Natural Science Foundation of China (10471039, 10271043), the National Natural Science Foundation of Zhejiang Province (M103087).

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Gendi, W., Songliang, Q., Xiaohui, Z. et al. Approximate convexity and concavity of generalized Grötzsch ring function. Appl. Math.- J. Chin. Univ. 21, 203–206 (2006). https://doi.org/10.1007/BF02791357

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  • DOI: https://doi.org/10.1007/BF02791357

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