A few new indices to characterize the scientific output of scientists are defined in the paper. These indices are compared with -index and its alternative indices using some proven assertions. The gd-indices are introduced as extensions of the g-index to define H-index as an improvement of the h-index. Numerous computational results which are conducted indicate the good behaviour of defined indices to evaluate the scientific impact of scientists. There exist very good approximations between some pairs of all considered indices in the sense that related ratios are often very close to 1.
翻译：本文定义了几个新的指标，用于表征科学家的科研成果，并使用一些经过证明的假设将这些指标与-index及其替代指标进行比较。引入了gd-index作为g-index的扩展来定义H-index作为h-index的改进。进行的大量计算结果表明，所定义的指标在评估科学家的学术影响方面表现良好。在某些指标对之间，相关比率通常非常接近1，存在很好的近似关系。
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